Upload Coq-Changelog.jsonl

Coq-Changelog.jsonl

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+8.20.0 | Kernel | Changed | The guard checker now recognizes uniform parameters of a fixpoint and treats their instances as constant over the recursive call (#17986, grants #16040, by Hugo Herbelin).
+8.20.0 | Kernel | Added   | A mechanism to add user-defined rewrite rules to Coq's reduction mechanisms; see chapter :ref:`rewrite_rules` (#18038, by Yann Leray).
+8.20.0 | Kernel | Added   | Support for primitive strings in terms (#18973, by Rodolphe Lepigre).
+
+8.20.0 | Specification language, type inference | Changed    | Warnings `future-coercion-class-constructor` and `future-coercion-class-field` about `:>` in :cmd:`Class` as errors by default; replace `:>` with `::` for typeclass instances (#18590, by Pierre Roux).
+8.20.0 | Specification language, type inference | Changed    | Mutually-proved theorems with statements in different coinductive types now supported (#18743, by Hugo Herbelin).
+8.20.0 | Specification language, type inference | Added      | :cmd:`CoFixpoint` supports attributes `bypass_guard`, `clearbody`, `deprecated`, and `warn` (#18754, by Hugo Herbelin).
+8.20.0 | Specification language, type inference | Added      | `Program Fixpoint` with `measure` or `wf` now supports `where` clauses, `local`/`clearbody` attributes, and non-atomic conclusions (#18834, by Hugo Herbelin).
+8.20.0 | Specification language, type inference | Fixed      | Anomaly on the absence of remaining obligations of some name is now an error (#18873, fixes #3889, by Hugo Herbelin).
+8.20.0 | Specification language, type inference | Fixed      | Universe polymorphic `Program` obligations are now only generalized over effectively occurring universe variables (#18915, fixes #11766, #11988, by Hugo Herbelin).
+8.20.0 | Specification language, type inference | Fixed      | Anomaly `assertion failed` in pattern-matching compilation with :flag:`Program Mode` (#18921, fixes #5777, #11030, #11586, by Hugo Herbelin).
+8.20.0 | Specification language, type inference | Fixed      | Support for `Program`-style pattern-matching on more than one argument in an inductive family (#18929, fixes #1956, #5777, by Hugo Herbelin).
+8.20.0 | Specification language, type inference | Fixed      | Anomaly with obligations in the binders of a `measure`- or `wf`-based `Program Fixpoint` (#18958, fixes #18920, by Hugo Herbelin).
+8.20.0 | Specification language, type inference | Fixed      | Incorrect registration of universe names attached to a primitive polymorphic constant (#19100, fixes #19099, by Hugo Herbelin).
+
+8.20.0 | Notations | Changed    | An :g:`only printing` interpretation of a notation with a specific format no longer changes printing rules of other interpretations (#16329, fixes #16262, by Hugo Herbelin).
+8.20.0 | Notations | Changed    | Levels of :cmd:`Reserved Notation` now default to levels of previous notations with longest common prefix (#19149, by Pierre Roux).
+8.20.0 | Notations | Added      | :warn:`closed-notation-not-level-0` and :warn:`postfix-notation-not-level-1` warnings for unusual levels (#18588, by Pierre Roux).
+8.20.0 | Notations | Added      | :warn:`notation-incompatible-prefix` warning when two notation definitions have incompatible prefixes (#19049, by Pierre Roux).
+8.20.0 | Notations | Fixed      | Notations for applied constants with multiple signatures of implicit arguments now correctly insert maximal implicit arguments (#18445, by Hugo Herbelin).
+8.20.0 | Notations | Fixed      | Support printing notations applied to extra arguments in custom entries, removing an anomaly (#18447, fixes #18342, by Hugo Herbelin).
+
+8.20.0 | Tactics | Changed    | :g:`Z.to_euclidean_division_equations` can now do better reasoning when noticing two equations of the form x = y*q1 + … and x = y*q2 + … (#17934, by Jason Gross).
+8.20.0 | Tactics | Changed    | The opacity/transparency of primitive projections is now attached to the projections themselves, not the compatibility constants (#18327, fixes #18281, by Jan-Oliver Kaiser & Rodolphe Lepigre).
+8.20.0 | Tactics | Changed    | Tactic :g:`intro z` on an existential variable goal now defines ?P in a context where the variable is named z (#18395, by Hugo Herbelin).
+8.20.0 | Tactics | Changed    | Syntactic global references in `using` clauses of :tacn:`auto`-like tactics are now plain references rather than interpreted terms (#18909, by Pierre-Marie Pédrot).
+8.20.0 | Tactics | Changed    | Use Coqlib's :cmd:`Register` for generalized rewriting tactic, making (C)RelationClasses/(C)Morphisms independent of the `rewrite` tactic (#19115, by Matthieu Sozeau).
+8.20.0 | Tactics | Removed    | The `clear` modifier, deprecated since 8.17 (#18887, by Pierre-Marie Pédrot).
+8.20.0 | Tactics | Removed    | The `cutrewrite` tactic, deprecated since Coq 8.5 (#19027, by Pierre-Marie Pédrot).
+8.20.0 | Tactics | Deprecated | Non-reference hints in `using` clauses of :tacn:`auto`-like tactics (#19006, by Pierre-Marie Pédrot).
+8.20.0 | Tactics | Deprecated | The `gintuition` tactic (#19129, by Pierre-Marie Pédrot).
+8.20.0 | Tactics | Deprecated | :tacn:`destauto` (#19179, by Jim Fehrle).
+8.20.0 | Tactics | Added      | :g:`Z.to_euclidean_division_equations` can now pose equations of the form x = y*q using :g:`Z.divide` (#17927, by Evgenii Kosogorov).
+8.20.0 | Tactics | Added      | Support for :g:`Nat.double` and :g:`Nat.div2` in :g:`zify` and :g:`lia` (#18729, by Andres Erbsen).
+8.20.0 | Tactics | Added      | :tacn:`replace` now accepts `->` / `<-` for direction of replacement (#19060, fixes #13480, by Pierre-Marie Pédrot).
+8.20.0 | Tactics | Fixed      | :tacn:`simpl` systematically reuses the cofixpoint’s name if globally defined (#18576, fixes #4056, by Hugo Herbelin).
+8.20.0 | Tactics | Fixed      | Reduction of primitive projections of cofixpoints by :tacn:`simpl` (#18577, fixes #7982, by Hugo Herbelin).
+8.20.0 | Tactics | Fixed      | Refolding of reduced global mutual fixpoints/cofixpoints with parameters in :tacn:`cbn` (#18601, part of #4056, by Hugo Herbelin).
+8.20.0 | Tactics | Fixed      | :tacn:`cbn` left unnamable constants when refolding mutual fixpoints/cofixpoints from aliased modules (#18616, fixes #17897, by Hugo Herbelin).
+8.20.0 | Tactics | Fixed      | :tacn:`cbv` of primitive projections applied to a tuple now ignores `beta` (#18618, fixes #9086, by Hugo Herbelin).
+
+8.20.0 | Ltac language | Added      | :tacn:`rewrite_strat` now supports fixpoint operator in `@rewstrategy` (#18094, fixes #13702, by Jason Gross & Gaëtan Gilbert).
+8.20.0 | Ltac language | Fixed      | :tacn:`rewrite_strat` now works inside module functors (#18094, fixes #18463, by Jason Gross).
+
+8.20.0 | Ltac2 language | Changed    | Recursive let and nonmutable projections of syntactic values are considered syntactic (#18411, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Changed    | Ltac2 notations are typechecked at declaration time by default (#18432, fixes #17477, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Changed    | Argument order for `List.fold_left2` / `List.fold_right2` changed to match OCaml (#18706, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Changed    | `Import`ing a module with a mutable Ltac2 definition does not undo its mutations (#18713, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Changed    | The `using` clause argument of :tacn:`auto`-like tactics in Ltac2 now takes a global `reference` (#18940, by Pierre-Marie Pédrot).
+8.20.0 | Ltac2 language | Deprecated | `Ltac2.Constr.Pretype.Flags.open_constr_flags` (#18765, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Added      | `fst` and `snd` in `Ltac2.Init` (#18370, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Added      | `Ltac2.Ltac1.of_preterm` and `to_preterm` (#18551, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Added      | `of_intro_pattern` and `to_intro_pattern` in `Ltac2.Ltac1` (#18558, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Added      | Basic APIs in `Ltac2.Ltac1` for more informative errors on value conversion (#18558, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Added      | APIs `Ltac2.Control.unshelve` and `Ltac2.Notations.unshelve` (#18604, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Added      | Warning on unused Ltac2 variables (#18641, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Added      | `Ltac2.Control.numgoals` (#18690, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Added      | `intropattern` and `intropatterns` notation scopes support views (#18757, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Added      | Open recursion combinators in `Ltac2.Constr.Unsafe` (#18764, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Added      | APIs in `Ltac2.Constr.Pretype.Flags` to customize pretyping flags (#18765, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Added      | :attr:`abstract` attribute for `Ltac2 Type` (#18766, fixes #18656, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Added      | APIs in `Ltac2.Message` to interact with the boxing system of the pretty printer (#18988, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Added      | Flag `Automatic Proposition Inductives`, :flag:`Dependent Proposition Eliminators`, and warning `automatic-prop-lowering` (#18989, by Gaëtan Gilbert).
+8.20.0 | Ltac2 language | Added      | `String.sub` (#19204, by Rodolphe Lepigre).
+8.20.0 | Ltac2 language | Fixed      | `Ltac2.Control.new_goal` removes the new goal from the shelf/future goals (#19141, fixes #19138, by Gaëtan Gilbert).
+
+8.20.0 | SSReflect | Changed    | ssreflect no longer relies on the recovery mechanism of the parsing engine (#18224, by Pierre Roux).
+8.20.0 | SSReflect | Changed    | Notations `_.1` and `_.2` are now defined in the prelude at level 1 rather than in `ssrfun` at level 2 (#18224, by Pierre Roux).
+8.20.0 | SSReflect | Changed    | The :tacn:`have` tactic generates a proof term with an opaque constant, as in Coq ≤ 8.16 (#18449, fixes #18017, by Enrico Tassi).
+8.20.0 | SSReflect | Deprecated | The `fun_scope` notation scope declared in `ssrfun.v` is deprecated; use `function_scope` instead (#18374, by Kazuhiko Sakaguchi).
+8.20.0 | SSReflect | Fixed      | Handling of primitive projections in ssrewrite (#19213, fixes #19229, by Pierre Roux, Kazuhiko Sakaguchi, Enrico Tassi, Quentin Vermande).
+
+8.20.0 | Commands and options | Changed    | Default reversibility status of most coercions is now truly “non-reversible except record :>` fields” (#18705, by Pierre Roux).
+8.20.0 | Commands and options | Changed    | Focus commands (e.g. `1:{`) and goal selection (e.g. `1: Check`) don’t need Classic (Ltac1) proof mode (#18707, fixes #18351, by Gaëtan Gilbert).
+8.20.0 | Commands and options | Changed    | Inductives declared with `: Type` or no annotation and auto-lowered to `Prop` are not declared template polymorphic (#18867, by Gaëtan Gilbert).
+8.20.0 | Commands and options | Changed    | Warning about use of `Let`, `Variable`, `Hypothesis`, and `Context` outside sections is now an error by default (#18880, by Pierre Roux).
+8.20.0 | Commands and options | Changed    | The "fragile-hint-constr" warning is now an error by default (#18895, by Pierre-Marie Pédrot).
+8.20.0 | Commands and options | Changed    | :cmd:`Scheme` automatically registers the resulting schemes in the :cmd:`Register Scheme` database (#19016, fixes #3132, by Gaëtan Gilbert).
+8.20.0 | Commands and options | Changed    | :cmd:`Typeclasses Transparent` / `Opaque` default locality outside sections is now `export` (#19069, by Gaëtan Gilbert).
+8.20.0 | Commands and options | Deprecated | The :cmd:`Cd` command.  Use the command line option `-output-directory` or :opt:`Extraction Output Directory` (#17403, by Ali Caglayan & Hugo Herbelin).
+8.20.0 | Commands and options | Added      | :attr:`warn` attribute, generalizing the deprecation machinery to other forms of comments (#18248, by Hugo Herbelin & Pierre Roux).
+8.20.0 | Commands and options | Added      | :cmd:`Register Scheme` to add entries to the scheme database (#18299, by Gaëtan Gilbert).
+8.20.0 | Commands and options | Added      | `Print @reference` shows implicit arguments directly on the type (#18444, by Hugo Herbelin).
+8.20.0 | Commands and options | Added      | `@import_categories` supports category `options` (#18536, by Gaëtan Gilbert).
+8.20.0 | Commands and options | Added      | `About`/`Print` now indicate if a name is a projection (#18725, by Hugo Herbelin).
+8.20.0 | Commands and options | Added      | :cmd:`Hint Projections` sets transparency flags for projections in specified hint DBs (#18785, by Jan-Oliver Kaiser & Rodolphe Lepigre).
+8.20.0 | Commands and options | Added      | :cmd:`Search` now has `is:Fixpoint` and `is:CoFixpoint` (#18983, by Pierre Rousselin).
+8.20.0 | Commands and options | Added      | :cmd:`Include` can now include module types with `with` clauses (#19144, by Pierre Rousselin).
+8.20.0 | Commands and options | Fixed      | Missing implicit args after a `->` in `Print`/`About` (#18442, fixes #15020, by Hugo Herbelin).
+8.20.0 | Commands and options | Fixed      | :flag:`Cumulativity Weak Constraints` can unify universes to `Set` with :flag:`Universe Minimization ToSet` (#18458, by Gaëtan Gilbert).
+8.20.0 | Commands and options | Fixed      | `Search` with `is:Scheme` was searching for inductives with schemes, not the schemes themselves (#18537, fixes #18298, by Gaëtan Gilbert).
+8.20.0 | Commands and options | Fixed      | `Search` now searches in included module types (#18662, fixes #18657, by Hugo Herbelin).
+8.20.0 | Commands and options | Fixed      | `Eval` / `Definition := Eval` work without loading the Ltac plugin (#18852, fixes #12948, by Gaëtan Gilbert).
+8.20.0 | Commands and options | Fixed      | :cmd:`Scheme` declares non-recursive schemes for `@scheme_type` (#19017, fixes #10816, by Gaëtan Gilbert).
+8.20.0 | Commands and options | Fixed      | :flag:`Cumulativity Weak Constraints` had its meaning flipped since 8.12 (#19201, by Gaëtan Gilbert).
+
+8.20.0 | Command-line tools | Changed    | SIGINT now produces “user interrupt” instead of aborting, for better messages (#18716, by Gaëtan Gilbert).
+8.20.0 | Command-line tools | Added      | `-output-directory dir` sets default output dir for extraction, :cmd:`Redirect`, :cmd:`Print Universes` (#17392, fixes #8649, by Hugo Herbelin).
+8.20.0 | Command-line tools | Fixed      | coqdoc links to section variables introduced with `Context` (#18527, fixes #18516, by Pierre Roux).
+
+8.20.0 | CoqIDE | Changed    | Find/replace UI improved: margins, icons for found/not found (#18523, fixes #11024, by Sylvain Chiron).
+8.20.0 | CoqIDE | Changed    | Default key binding modifier for Navigation menu is now Alt (non-macOS). Undo changed to Ctrl-Z, Next/Previous tab to Ctrl-PgUp/PgDn (#18717, by Sylvain Chiron).
+8.20.0 | CoqIDE | Changed    | Changing modifiers for View menu only applies to toggle items; View/Show Proof changed to Shift-F2 (#18717, by Sylvain Chiron).
+8.20.0 | CoqIDE | Added      | Edit/Select All and Navigation/Fully Check menu items (#18717, fixes #16141, by Sylvain Chiron).
+8.20.0 | CoqIDE | Fixed      | Opening a file via drag and drop now works correctly (#18524, fixes #3977, by Sylvain Chiron).
+8.20.0 | CoqIDE | Fixed      | Incorrect highlight/line numbers for errors/warnings with Unicode; XML protocol updated (#19040, fixes #18682, by Hugo Herbelin).
+8.20.0 | CoqIDE | Fixed      | Show tooltips for syntax errors (#19153, fixes #19152, by Jim Fehrle).
+
+8.20.0 | Standard library | Changed    | Renamed “push” lemmas for List.length to consistent naming: e.g. `app_length`→`length_app` (#18564, by Andres Erbsen).
+8.20.0 | Standard library | Changed    | `Coq.CRelationClasses.arrow`, `iffT`, `flip` are now Typeclasses Opaque (#18910, by Pierre-Marie Pédrot).
+8.20.0 | Standard library | Removed    | `Coq.NArith.Ndigits`, `Coq.NArith.Ndist`, `Coq.Strings.ByteVector` (deprecated since 8.19) (#18936, by Andres Erbsen).
+8.20.0 | Standard library | Deprecated | `Coq.Numbers.Integer.Binary.ZBinary`, `Coq.Numbers.Integer.NatPairs.ZNatPairs`, `Coq.Numbers.Natural.Binary.NBinary` (#18500, by Pierre Rousselin).
+8.20.0 | Standard library | Deprecated | `Coq.Numbers.NatInt.NZProperties`; use `NZMulOrder` instead (#18501, by Pierre Rousselin).
+8.20.0 | Standard library | Deprecated | `Coq.Arith.Bool_nat` (#18538, by Pierre Rousselin).
+8.20.0 | Standard library | Deprecated | `Coq.Numbers.NatInt.NZDomain` (#18539, by Pierre Rousselin).
+8.20.0 | Standard library | Deprecated | `Coq.Numbers.Integers.Abstract.ZDivEucl`, `Coq.ZArith.Zeuclid` (#18544, by Pierre Rousselin).
+8.20.0 | Standard library | Deprecated | `Coq.Numbers.Natural.Abstract.NIso`, `Coq.Numbers.Natural.Abstract.NDefOps` (#18668, by Pierre Rousselin).
+8.20.0 | Standard library | Deprecated | `Bool.Bvector` (prefer `list bool`) (#18947, by Andres Erbsen).
+8.20.0 | Standard library | Added      | A warning on `Vector.t` to caution new users about complexity vs bundling lists (#18032, by Pierre Roux & many reviewers).
+8.20.0 | Standard library | Added      | Lemmas `NoDup_app`, `NoDup_iff_ForallOrdPairs`, `NoDup_map_NoDup_ForallPairs`, `NoDup_concat` (#18172, by Stefan Haani & Andrej Dudenhefner).
+8.20.0 | Standard library | Added      | Lemmas around nth_error in `List`: `In_iff_nth_error`, `nth_error_app`, `nth_error_cons_0`, … (#18563, by Andres Erbsen).
+8.20.0 | Standard library | Added      | Various `N`/`Nat` lemmas: `strong_induction_le`, `binary_induction`, `even_even`, `odd_even`, … (#18628, by Pierre Rousselin).
+8.20.0 | Standard library | Fixed      | `Z.euclidean_division_equations_cleanup` reordering for improved performance (#18818, fixes #18770, by Jason Gross).
+
+8.20.0 | Infrastructure and dependencies | Changed    | Minimal Dune version to build Coq is now 3.6.1 (#18359, by Emilio Jesus Gallego Arias).
+8.20.0 | Infrastructure and dependencies | Removed    | Support for `.vio` files and `.vio2vo` transformation removed; `.vos` is the recommended method (#18424, by Emilio Jesus Gallego Arias).
+8.20.0 | Infrastructure and dependencies | Added      | `coq-doc` opam/Dune package for building and installing Coq’s documentation (#17808, by Emilio Jesus Gallego Arias).
+8.20.0 | Infrastructure and dependencies | Added      | Coq is now compatible with `memprof-limits` interruption (#18906, fixes #17760, by Emilio Jesus Gallego Arias).
+8.20.0 | Infrastructure and dependencies | Added      | Ability to exit `Drop.` in Coq toplevel with `Ctrl+D`, plus `#go` directive (#18771, by Anton Danilkin).
+
+8.20.0 | Extraction | Added      | Extension for OCaml extraction: foreign function calls to C and ML function exposition (#18270, fixes #18212, by Mario Frank).
+8.20.0 | Extraction | Fixed      | Self-referencing extraction of primitive projections in functors (#17321, fixes #16288, by Hugo Herbelin).
+
+--------------------------------------------------------------------------------
+8.19.0 | Kernel | Added      | :ref:`sort-polymorphism` to share constructs over `Type`, `Prop`, `SProp` (#17836, #18331, by Gaëtan Gilbert).
+8.19.0 | Kernel | Fixed      | Primitives incorrectly convertible to anything by module subtyping (#18507, fixes #18503, by Gaëtan Gilbert).
+
+8.19.0 | Specification language, type inference | Changed    | :token:`term_forall_or_fun`, :token:`term_let`, :token:`term_fix`, etc. from level 200 → level 10, removing parser recovery hacks (#18014, by Hugo Herbelin).
+8.19.0 | Specification language, type inference | Changed    | :g:`(id := body)` in :cmd:`Context` outside a section in a :cmd:`Module Type` no longer tries to declare a class instance (#18254, by Hugo Herbelin).
+8.19.0 | Specification language, type inference | Fixed      | Anomaly with duplicate variables within a disjunctive pattern (#17857, #18005, fixes #17854, #18004, by Hugo Herbelin).
+8.19.0 | Specification language, type inference | Fixed      | Printing of constructors and `in` clause of `match` respects :flag:`Printing Implicit` and :flag:`Printing All` (#18176, fixes #18163, by Hugo Herbelin).
+8.19.0 | Specification language, type inference | Fixed      | Wrong shift of argument names with :cmd:`Arguments` in nested sections (#18393, fixes #12755, #18392, by Hugo Herbelin).
+
+8.19.0 | Notations | Changed    | More informative message when a notation cannot be interpreted as a reference (#18104, by Hugo Herbelin).
+8.19.0 | Notations | Changed    | In casts `term : t`, if `t` is bound to scope `t_scope`, `term` is also interpreted in `t_scope` (#6134, fixes #14959, by Hugo Herbelin & many reviewers).
+8.19.0 | Notations | Added      | Notation `term%_scope` to set a scope only temporarily (#14928, fixes #11486, #12157, #14305, by Hugo Herbelin & Pierre Roux).
+8.19.0 | Notations | Removed    | The ability to declare scopes whose name starts with `_` (#14928, by Pierre Roux & Hugo Herbelin).
+8.19.0 | Notations | Deprecated | The `term%scope` syntax in :cmd:`Arguments` (#14928, by Hugo Herbelin & Pierre Roux).
+8.19.0 | Notations | Added      | Quoted strings can be used as tokens in notations; double quotes can be used in symbols (#17123, by Hugo Herbelin).
+8.19.0 | Notations | Added      | Parsing support for recursive binders in `let` or `match` (#17856, fixes #17845, by Hugo Herbelin).
+8.19.0 | Notations | Added      | Declaring the same level of a notation variable more than once is now an error (#17988, fixes #17985, by Hugo Herbelin).
+8.19.0 | Notations | Fixed      | Various custom binder fixes in nonrecursive/recursive notations (#17115, fixes parts of #17094, by Hugo Herbelin).
+8.19.0 | Notations | Fixed      | Invalid eta-expansion in notation pretty-printer (#17841, fixes #15221, by Hugo Herbelin).
+8.19.0 | Notations | Fixed      | :flag:`Printing Parentheses` works on a right-open notation with explicit level (#17844, fixes #15322, by Hugo Herbelin).
+8.19.0 | Notations | Fixed      | Anomaly with nested repeated binder variables (#17861, fixes #17860, by Hugo Herbelin).
+8.19.0 | Notations | Fixed      | Anomaly on disabling a non-existent custom notation (#17891, fixes #17782, by Hugo Herbelin).
+8.19.0 | Notations | Fixed      | Proper error instead of anomaly with pattern-matching over a constructor with too many arguments (#17892, fixes #17071, by Hugo Herbelin).
+8.19.0 | Notations | Fixed      | Support constructors with parameters in number/string notations for patterns (#17902, fixes #11237, by Hugo Herbelin).
+8.19.0 | Notations | Fixed      | Chains of entry coercions sometimes printed in the wrong order (#18230, fixes #18223, by Hugo Herbelin).
+
+8.19.0 | Tactics | Changed    | `open_constr` in Ltac1/Ltac2 does not perform evar normalization (#17704, by Gaëtan Gilbert).
+8.19.0 | Tactics | Changed    | :tacn:`abstract` now supports existential variables (#17745, by Gaëtan Gilbert).
+8.19.0 | Tactics | Changed    | Instances declared with :flag:`Typeclasses Unique Instances` do not allow backtracking even with evars in the goal (#17789, fixes #6714, by Jan-Oliver Kaiser).
+8.19.0 | Tactics | Changed    | In :tacn:`rewrite_strat`, the syntax for `choice` strategy changed slightly (#17832, by Hugo Herbelin, Jim Fehrle & Jason Gross).
+8.19.0 | Tactics | Changed    | :tacn:`replace` with `by tac` no longer tries to solve the equality subgoal with existing hypotheses (#17964, fixes #17959, by Gaëtan Gilbert).
+8.19.0 | Tactics | Changed    | `Z.euclidean_division_equations_cleanup` now breaks up `0 <= _ < _` hypotheses (#17984, by Jason Gross).
+8.19.0 | Tactics | Changed    | :tacn:`simpl` now refolds a partial application of a fixpoint even when partially applied (#17991, by Hugo Herbelin).
+8.19.0 | Tactics | Added      | Ltac2 tactic `Std.resolve_tc` to resolve typeclass evars (#13071, by Gaëtan Gilbert & Maxime Dénès).
+8.19.0 | Tactics | Added      | `lazy`, `simpl`, `cbn`, `cbv`, and `eval` can do head reduction with `head` (#17503, #18190, by Gaëtan Gilbert & Hugo Herbelin).
+8.19.0 | Tactics | Fixed      | Opaque primitive projections are handled properly by “Evarconv” (#17788, fixes #17774, by Rodolphe Lepigre).
+8.19.0 | Tactics | Fixed      | Duplications with `Hint Cut` and `Hint Mode` (#17887, fixes #17417, by Hugo Herbelin).
+8.19.0 | Tactics | Fixed      | `zify` / `Z.euclidean_division_equations_cleanup` no longer instantiates dependent hypotheses in an order-sensitive manner (#17935, fixes #17936, by Jason Gross).
+8.19.0 | Tactics | Fixed      | :tacn:`simpl` now works on reducible named mutual fixpoints with parameters (#17993, fixes #12521, #3488 partial, by Hugo Herbelin).
+8.19.0 | Tactics | Fixed      | :tacn:`congruence` / :tacn:`f_equal` handle polymorphic universe variables (#18106, fixes #5481, #9979, by Hugo Herbelin).
+8.19.0 | Tactics | Fixed      | Only run zify saturation on existing goal hypotheses (#18152, fixes #18151, by Frédéric Besson & Rodolphe Lepigre).
+8.19.0 | Tactics | Fixed      | A stack overflow in `lia` (#18159, fixes #18158, by Jan-Oliver Kaiser & Rodolphe Lepigre).
+8.19.0 | Tactics | Fixed      | `cbv` reify substitution for Case stack node (#18195, fixes #18194, by Yann Leray).
+8.19.0 | Tactics | Fixed      | Anomaly in :tacn:`simpl` on partially applied named mutual fixpoints (#18243, fixes #18239, by Hugo Herbelin).
+8.19.0 | Tactics | Changed    | :tacn:`simpl` tries to reduce named mutual fixpoints even when returning a function (#18243, by Hugo Herbelin).
+
+8.19.0 | Ltac language | Fixed      | “r <num>” and “r <string>” commands in coqtop Ltac debugger (#18068, fixes #18067, by Jim Fehrle).
+
+8.19.0 | Ltac2 language | Changed    | `Array.empty`, `Message.Format.stop`, `Pattern.empty_context` are no longer thunked (#17534, by Gaëtan Gilbert).
+8.19.0 | Ltac2 language | Changed    | Ltac2 `exact` / `eexact` elaborate with expected type (#18157, fixes #12827, by Gaëtan Gilbert).
+8.19.0 | Ltac2 language | Changed    | Argument order for `List.fold_left` / `List.fold_right` / `Array.fold_right` changed to match OCaml (#18197, fixes #16485, by Gaëtan Gilbert).
+8.19.0 | Ltac2 language | Changed    | `Ltac2.Std.red_flags` has a field `rStrength` for head-only reduction (#18273, fixes #18209, by Gaëtan Gilbert).
+8.19.0 | Ltac2 language | Added      | Ltac2 supports pattern quotations when building `pattern` values (dynamic patterns) (#17667, by Gaëtan Gilbert).
+8.19.0 | Ltac2 language | Added      | New modules `Ltac2.Unification`, `Ltac2.TransparentState` (#17777, by Rodolphe Lepigre).
+8.19.0 | Ltac2 language | Added      | `Ltac2.Constr.is_float`, `is_uint63`, `is_array` (#17894, by Jason Gross).
+8.19.0 | Ltac2 language | Added      | New stdlib modules `Ltac2.Ref`, `Ltac2.Lazy`, `Ltac2.RedFlags` + expansions (#18095, fixes #10112, by Rodolphe Lepigre).
+8.19.0 | Ltac2 language | Added      | Support for `setoid_rewrite` tactic (#18102, by quarkcool).
+8.19.0 | Ltac2 language | Added      | :cmd:`Ltac2 Globalize` and :cmd:`Ltac2 Check` (#18139, by Gaëtan Gilbert).
+8.19.0 | Ltac2 language | Added      | A new flag :flag:`Ltac2 In Ltac1 Profiling` (#18293, by Rodolphe Lepigre).
+8.19.0 | Ltac2 language | Added      | `Ltac2.Message.Format.ikfprintf` for conditional printing (#18311, fixes #18292, by Gaëtan Gilbert).
+8.19.0 | Ltac2 language | Fixed      | Ltac2 mutable references are not considered values anymore (#18082, by Gaëtan Gilbert).
+
+8.19.0 | Commands and options | Changed    | `Let` with `Qed` now produces an opaque side definition; use `Defined` + `clearbody` to replicate old behavior (#17576, by Gaëtan Gilbert).
+8.19.0 | Commands and options | Changed    | Automatic lowering of record types to `Prop` matches the behavior for inductives (#17795, fixes #17801, #17796, #17805, by Gaëtan Gilbert).
+8.19.0 | Commands and options | Added      | :opt:`Extraction Output Directory` option (#16126, fixes #9148, by Ali Caglayan).
+8.19.0 | Commands and options | Added      | `-profile` cmd-line argument and `PROFILE` var in `coq_makefile` for a new :ref:`profiling` system (#17702, by Gaëtan Gilbert).
+8.19.0 | Commands and options | Added      | :cmd:`Instructions` command to count CPU instructions on Linux (#17744, by Rodolphe Lepigre).
+8.19.0 | Commands and options | Added      | Support for instruction counts with `-profile` (#17744, by Rodolphe Lepigre).
+8.19.0 | Commands and options | Added      | New command :cmd:`Attributes` to assign attributes like :attr:`deprecated` to a library file (#18193, fixes #8032, by Hugo Herbelin).
+8.19.0 | Commands and options | Fixed      | Anomaly with :cmd:`Search` in the context of a goal (#17987, fixes #17963, by Hugo Herbelin).
+8.19.0 | Commands and options | Fixed      | Printer for :cmd:`Guarded` with existential variables (#18008, fixes #18006, by Hugo Herbelin).
+
+8.19.0 | Command-line tools | Changed    | `coqdep -w` can adjust warnings like `coqc -w` (#17946, fixes #10156, by David Swasey & Rodolphe Lepigre).
+8.19.0 | Command-line tools | Fixed      | Delayed variable expansion with `coq_makefile` for combined `.vo` and `.glob` targets on GNU Make >=4.4 (#18077, fixes #18076, by Gaëtan Gilbert).
+8.19.0 | Command-line tools | Fixed      | Spurious `coqdep` warnings from missing path normalization (#18165, by Rodolphe Lepigre).
+8.19.0 | Command-line tools | Fixed      | Regression in `coqdoc --external` (#18448, fixes #18434, by Hugo Herbelin).
+
+8.19.0 | Standard library | Changed    | Reimplemented `Ncring_tac` reification in Ltac for :tacn:`nsatz`, `cring` (#18325, by Gaëtan Gilbert).
+8.19.0 | Standard library | Removed    | :g:`Numbers.Cyclic.ZModulo` (#17258, by Andres Erbsen).
+8.19.0 | Standard library | Removed    | :g:`ZArith.Zdigits` in favor of :g:`Z.testbit` (#18025, by Andres Erbsen).
+8.19.0 | Standard library | Removed    | Several long-deprecated files in `Arith` (Div2, Even, Gt, etc.) (#18164, by Pierre Rousselin).
+8.19.0 | Standard library | Deprecated | :g:`NArith.Ndigits` and :g:`NArith.Ndist` (#17732, by Andres Erbsen).
+8.19.0 | Standard library | Deprecated | :g:`Strings.ByteVector` (#18022, by Andres Erbsen).
+8.19.0 | Standard library | Deprecated | :g:`Numbers.NaryFunctions` (#18026, by Andres Erbsen).
+8.19.0 | Standard library | Added      | Lemmas about `Maps` in `FMapInterface`, e.g. `cardinal_Add_In` (#12096, by Isaac van Bakel & Jean-Christophe Léchenet).
+8.19.0 | Standard library | Added      | :g:`app_eq_cons`, :g:`app_inj_pivot`, :g:`rev_inj` (#17787, by Stefan Haan).
+8.19.0 | Standard library | Added      | `unfold_nth_error`, `nth_error_nil`, `nth_error_cons`, etc. (#17998, by Jason Gross).
+8.19.0 | Standard library | Added      | `Rle`, `Rge`, `Rlt`, `Rgt` as reflexive/symmetric/transitive/antisymmetric instances (#18059, by Jason Gross).
+
+8.19.0 | Extraction | Fixed      | In the error message about extracting sort-polymorphic singletons, do not specifically refer to OCaml (#17889, fixes #17817, by Hugo Herbelin).
+
+--------------------------------------------------------------------------------
+8.19.1 | Kernel | Fixed      | Incorrect abstraction of sort variables for opaque constants, leading to inconsistency (#18596, #18630, fixes #18594, by Gaëtan Gilbert).
+8.19.1 | Kernel | Fixed      | Memory corruption with :tacn:`vm_compute` (rare but more likely with OCaml 5.1) (#18599, by Guillaume Melquiond).
+
+8.19.1 | Notations | Changed    | :warn:`Found no matching notation to enable or disable` is now a warning not an error (#18670, by Pierre Roux).
+
+8.19.1 | Tactics | Fixed      | Undeclared universe with multiple uses of :tacn:`abstract` (#18640, fixes #18636, by Gaëtan Gilbert).
+
+8.19.1 | Ltac2 language | Fixed      | Incorrect printing of constructors with multiple arguments; over-parenthesizing (#18560, fixes #18556, by Gaëtan Gilbert).
+8.19.1 | Ltac2 language | Fixed      | Declared type for `Ltac2.FMap.fold` (#18649, fixes #18635, by Gaëtan Gilbert).
+
+8.19.1 | Infrastructure and dependencies | Fixed      | Missing `conf-` dependencies for `coq-core` and `coq` opam packages (#18565, by Gaëtan Gilbert).
+8.19.1 | Infrastructure and dependencies | Fixed      | Avoid symlinks in git that caused build failures on some Windows (#18550, fixes #18548, by Gaëtan Gilbert).
+
+--------------------------------------------------------------------------------
+8.19.2 | Specification language, type inference | Fixed      | Regression from 8.18 for a defined field in a primitive `Record` (#19088, fixes #19082, by Hugo Herbelin).
+
+8.19.2 | Notations | Fixed      | Printer sometimes failing to use a prefix/infix custom notation from a different custom entry (#18089, fixes #18914, by Hugo Herbelin).
+
+8.19.2 | Tactics | Fixed      | :tacn:`abstract` failing if there are admitted goals around (#18945, fixes #18942, by Gaëtan Gilbert).
+
+8.19.2 | Ltac2 language | Fixed      | Anomalies with VsCoq due to incorrect state handling (#19096, fixes coq-community/vscoq#772, by Gaëtan Gilbert).
+
+8.19.2 | Commands and options | Fixed      | Anomaly using :cmd:`Include` on a module with a `Primitive Projections` record (#18772, fixes #18769, by Jan-Oliver Kaiser).
+8.19.2 | Commands and options | Fixed      | Anomaly from :cmd:`Fixpoint` with no arguments (#18741, by Hugo Herbelin).
+
+8.19.2 | CoqIDE | Fixed      | Position error/warning tooltips with multibyte UTF-8 (#19137, fixes #19136, by Jim Fehrle).
+
+8.19.2 | Infrastructure and dependencies | Fixed      | Compatibility with OCaml versions where `effect` is a keyword (#18863, by Remy Seassau).
+8.19.2 | Infrastructure and dependencies | Added      | Coq is now compatible with `memprof-limits` (duplicate line from #18906 in 8.20, by Emilio Jesus Gallego Arias).
+
+--------------------------------------------------------------------------------
+8.18.0 | Kernel | Changed    | `bad-relevance` warning is now an error by default (#17172, by Pierre-Marie Pédrot).
+8.18.0 | Kernel | Fixed      | The kernel now checks that private inductive types can’t be eliminated outside their module (#17452, fixes #9608, by Gaëtan Gilbert).
+8.18.0 | Kernel | Fixed      | A bug in :tacn:`native_compute` for arbitrary float values (#17872, fixes #17871, by Guillaume Melquiond & Pierre Roux).
+
+8.18.0 | Specification language, type inference | Changed    | Universe unification can now delay a sort’s definition to allow less `Prop`/`SProp` annotation (#16903, by Pierre-Marie Pédrot).
+8.18.0 | Specification language, type inference | Changed    | Pattern-matching over a primitive record avoids overhead for matches that are just a projection (#17008, by Gaëtan Gilbert).
+8.18.0 | Specification language, type inference | Added      | Volatile casts `@term :> @type` to display hidden subterms in matches (#16992, fixes #16918, by Gaëtan Gilbert).
+8.18.0 | Specification language, type inference | Added      | Printing uninterpreted terms (e.g. `Print Ltac`) now preserves custom term extensions (#17221, by Gaëtan Gilbert).
+8.18.0 | Specification language, type inference | Added      | Locality attributes for the single “field” of definitional typeclasses (#17754, fixes #17451, by Pierre Roux).
+8.18.0 | Specification language, type inference | Added      | A hook in the coercion mechanism for external metalanguages (#17794, by Pierre Roux).
+8.18.0 | Specification language, type inference | Fixed      | Canonical instance matching match-terms (#17206, fixes #17079, by Gaëtan Gilbert).
+8.18.0 | Specification language, type inference | Fixed      | Universe constraint inference in module subtyping can trigger constant unfoldings (#17305, fixes #17303, by Gaëtan Gilbert).
+
+8.18.0 | Notations | Removed    | The `'[='` keyword. Replace with `'[', '='` (#16788, fixes #16785, by Pierre Roux).
+8.18.0 | Notations | Added      | Support :flag:`Printing Parentheses` in custom notations (#17117, by Hugo Herbelin).
+8.18.0 | Notations | Added      | Improved printing of reverse coercions with `reverse_coercion` (#17484, by Pierre Roux).
+8.18.0 | Notations | Fixed      | Recursive pattern as a sequence in binder position no longer anomalies (#16937, fixes #12467, by Hugo Herbelin).
+8.18.0 | Notations | Fixed      | Improved printing of notations with anonymous binders (#17050, by Hugo Herbelin).
+8.18.0 | Notations | Fixed      | Anomaly with notations abbreviating a local var or record field (#17217, fixes #14975, by Hugo Herbelin).
+8.18.0 | Notations | Fixed      | Ensure “only parsing” actually declares a parsing rule (#17318, fixes #17316, by Hugo Herbelin).
+8.18.0 | Notations | Fixed      | In `Number Notation`, “abstract after N” is applied if number > N, not >= (#17478, by Jim Fehrle).
+
+8.18.0 | Tactics | Changed    | :tacn:`specialize` with a `with` clause that depends on a variable in the type fails instead of silently shelving (#17322, by Pierre-Marie Pédrot).
+8.18.0 | Tactics | Changed    | Term-level extensions like `ltac:()` are errors in term patterns (#17352, by Gaëtan Gilbert).
+8.18.0 | Tactics | Changed    | :tacn:`case` always produces as many goals as constructors now (#17541, by Pierre-Marie Pédrot).
+8.18.0 | Tactics | Changed    | :tacn:`injection` continues with sigma types if no equality scheme found (#17670, by Gaëtan Gilbert).
+8.18.0 | Tactics | Changed    | The unification heuristics for :tacn:`case` changed; prefer :tacn:`destruct` (#17564, by Pierre-Marie Pédrot).
+8.18.0 | Tactics | Removed    | No-argument form of :tacn:`instantiate`, deprecated since 8.16 (#16910, by Pierre-Marie Pédrot).
+8.18.0 | Tactics | Removed    | Undocumented `hresolve_core` and `hget_evar` (#17035, by Gaëtan Gilbert).
+8.18.0 | Tactics | Deprecated | `elimtype` and `casetype` tactics (#16904, by Pierre-Marie Pédrot).
+8.18.0 | Tactics | Deprecated | `revert dependent`, an alias for :tacn:`generalize dependent` (#17669, by Gaëtan Gilbert).
+8.18.0 | Tactics | Fixed      | :tacn:`simpl` respects `simpl never` even under additional definitions (#13448, fixes #13428, by Yves Bertot).
+8.18.0 | Tactics | Fixed      | Unification less sensitive to subterm indirections (#16960, by Gaëtan Gilbert).
+8.18.0 | Tactics | Fixed      | :tacn:`setoid_rewrite` no longer produces untypable states (#17304, fixes #17295, by Lasse Blaauwbroek).
+8.18.0 | Tactics | Fixed      | Intropatterns destructing a product can’t silently create shelved evars (#17564, by Pierre-Marie Pédrot).
+8.18.0 | Tactics | Fixed      | :tacn:`field_simplify` no longer introduces side-conditions when working on a hypothesis (#17591, by Guillaume Melquiond).
+8.18.0 | Tactics | Fixed      | :tacn:`tauto` variants match types up to universe unification (#8905, fixes #4721, #5351, by Pierre-Marie Pédrot).
+
+8.18.0 | Ltac2 language | Added      | `[| ... |]` array literals (#16859, fixes #13976, by Samuel Gruetter).
+8.18.0 | Ltac2 language | Added      | Finite sets/maps for identifier, string, int, constant, inductive, constructor keys (#17347, #16409, by Gaëtan Gilbert).
+8.18.0 | Ltac2 language | Added      | Ltac2 preterm antiquotation `$preterm:` (#17359, fixes #13977, by Gaëtan Gilbert).
+8.18.0 | Ltac2 language | Added      | :flag:`Ltac Profiling` also covers Ltac2, plus new `start_profiling`, `stop_profiling`, `show_profile` (#17371, fixes #10111, by Gaëtan Gilbert).
+8.18.0 | Ltac2 language | Added      | Build/compare values in `Ltac2.Init.cast` (#17468, by Gaëtan Gilbert).
+8.18.0 | Ltac2 language | Added      | 0-argument externals (#17475, by Gaëtan Gilbert).
+8.18.0 | Ltac2 language | Added      | `ltac2val:(ltac2 tactic)` quotations in Ltac1 produce Ltac1 values (#17575, by Gaëtan Gilbert).
+8.18.0 | Ltac2 language | Fixed      | Nested notations with term-antiquotations (#17232, fixes #15864, by Gaëtan Gilbert).
+8.18.0 | Ltac2 language | Fixed      | Parsing level of `by` clause in `assert` (#17508, fixes #17491, by Samuel Gruetter).
+8.18.0 | Ltac2 language | Fixed      | `multi_match!` etc. now preserve exceptions from backtracking after a branch has succeeded (#17597, fixes #17594, by Gaëtan Gilbert).
+
+8.18.0 | Commands and options | Changed    | Tactic-options commands now support :attr:`export` (#15274, fixes #15072, by Gaëtan Gilbert).
+8.18.0 | Commands and options | Changed    | `Hint` and :cmd:`Instance` with no locality attribute is now an error (#16004, fixes #13394, by Ali Caglayan).
+8.18.0 | Commands and options | Changed    | Transparent obligations from Program do not produce an implicit :cmd:`Hint Unfold` (#16340, by Pierre-Marie Pédrot).
+8.18.0 | Commands and options | Changed    | :cmd:`Print Typeclasses` replaces `Print TypeClasses` (#16690, fixes #16686, by Ali Caglayan).
+8.18.0 | Commands and options | Changed    | `-async-proofs-tac-j=0` makes `par` block interpret without new processes (#16837, by Pierre-Marie Pédrot).
+8.18.0 | Commands and options | Removed    | The “Program Naming” flag (#16519, by Pierre-Marie Pédrot).
+8.18.0 | Commands and options | Removed    | Undocumented/broken `Solve Obligation` command (#16842, by Théo Zimmermann).
+8.18.0 | Commands and options | Deprecated | `:>` in typeclass fields is replaced by `::` (#16230, fixes #16224, by Pierre Roux et al.).
+8.18.0 | Commands and options | Added      | Improved description of :cmd:`Proof using` (#16168, by Jim Fehrle).
+8.18.0 | Commands and options | Added      | `::` syntax for fields in records as typeclass instances (#16230, by Pierre Roux et al.).
+8.18.0 | Commands and options | Added      | :cmd:`Print Keywords` to print parser keywords/tokens (#16438, fixes #16375, by Gaëtan Gilbert).
+8.18.0 | Commands and options | Added      | :cmd:`Print Grammar` can print arbitrary nonterminals or entire grammar (#16440, by Gaëtan Gilbert).
+8.18.0 | Commands and options | Fixed      | :flag:`Fast Name Printing` no longer captures variable names (#16395, fixes #14141, by Wojciech Karpiel).
+8.18.0 | Commands and options | Fixed      | :tacn:`vm_compute` now respects the `bytecode-compiler` flag (#16931, fixes #16929, by Gaëtan Gilbert).
+8.18.0 | Commands and options | Fixed      | :cmd:`Proof Mode` gives an error if the specified mode does not exist (#16981, fixes #16602, by Jim Fehrle).
+8.18.0 | Commands and options | Fixed      | Backtracking over grammar modifications from plugins (#17069, fixes #12575, by Gaëtan Gilbert).
+8.18.0 | Commands and options | Fixed      | Anomaly on unsupported applied `fix` in :cmd:`Function` (#17113, fixes #17110, by Hugo Herbelin).
+
+8.18.0 | Command-line tools | Changed    | `coq_makefile` no longer passes `-rectypes` to OCaml by default (#17038, by Karl Palmskog & Gaëtan Gilbert).
+8.18.0 | Command-line tools | Changed    | `coqdoc` no longer indexes variable binders by default; use `--binder-index` to restore old behavior (#17045, by Karl Palmskog).
+8.18.0 | Command-line tools | Added      | `coqdoc` can link all references (type + elimination + …) to the same definition (#17118, by Enrico Tassi).
+8.18.0 | Command-line tools | Added      | Command line `-require lib` and `-require-from root lib` (#17364, by Hugo Herbelin).
+8.18.0 | Command-line tools | Added      | `coqtimelog2html` to render timing files produced with `-time` (#17411, by Gaëtan Gilbert).
+8.18.0 | Command-line tools | Fixed      | `coq_makefile` no longer lumps all install targets into one command (which could exceed max argument length) (#17697, fixes #17721, by Gaëtan Gilbert).
+
+8.18.0 | CoqIDE | Changed    | XML protocol now sends line+column for locations (#17382, fixes #17023, by Emilio Jesus Gallego Arias).
+
+8.18.0 | Standard library | Changed    | :g:`Vector.nth` re-implemented to compute strict subterms (#16731, fixes #16738, by Andrej Dudenhefner).
+8.18.0 | Standard library | Changed    | :g:`set_diff_nodup` no longer requires :g:`NoDup l'` (#16926, by Karl Palmskog & others).
+8.18.0 | Standard library | Changed    | Instances from :g:`DecidableClass` moved to `Bool`, `PeanoNat`, `BinInt` (#17021, by Andres Erbsen).
+8.18.0 | Standard library | Changed    | `btauto.Algebra.bool` hint changed from :attr:`global` to :attr:`export` (#17281, by Andres Erbsen).
+8.18.0 | Standard library | Changed    | `xorb` has a simpler definition (#17427, by Guillaume Melquiond).
+8.18.0 | Standard library | Changed    | Various renames and modifications in `Reals/RIneq.v` (e.g. `completeness_weak`→`upper_bound_thm`) (#17036, by Pierre Rousselin & Laurent Théry).
+8.18.0 | Standard library | Removed    | Deprecated definitions like `Datatypes.prod_curry`, `Bool.leb`, etc. (#16920, by Olivier Laurent).
+8.18.0 | Standard library | Deprecated | :g:`List.app_nil_end`, :g:`List.app_assoc_reverse`, :g:`List.ass_app`, :g:`List.app_ass` (#16920, by Olivier Laurent).
+8.18.0 | Standard library | Deprecated | `Coq.Lists.List.Forall2_refl` (#17646, by Gaëtan Gilbert).
+8.18.0 | Standard library | Deprecated | :g:`ZArith.Zdigits` (#17733, by Andres Erbsen).
+8.18.0 | Standard library | Deprecated | :g:`Numbers.Cyclic.Int31.Cyclic31` and variants (since 8.10) (#17734, by Andres Erbsen).
+8.18.0 | Standard library | Deprecated | Some lemmas in `Reals/RIneq.v`, e.g. :g:`inser_trans_R`, :g:`IZR_neq`, etc. (#17036, by Pierre Rousselin & Laurent Théry).
+8.18.0 | Standard library | Added      | Lemmas `olift`, `pred_oapp`, etc. ported from math-comp PR #872/#874 (#16158, by Pierre Roux).
+8.18.0 | Standard library | Added      | Lemmas around `Permutation`/`List` (Permutation_incl_cons_inv_r, etc.) (#15986, by Andrej Dudenhefner & others).
+8.18.0 | Standard library | Added      | Modules `Nat.Div0`/`Nat.Lcm0` and `N.Div0`/`N.Lcm0` for division by 0 (#16203, fixes #16186, by Andrej Dudenhefner).
+8.18.0 | Standard library | Added      | Lemma `measure_induction` in `Nat` and `N` (#16203, by Andrej Dudenhefner).
+8.18.0 | Standard library | Added      | `Listing_decidable_eq`, `Finite_dec`, `NoDup_list_decidable` (#16489, by Bodo Igler et al.).
+8.18.0 | Standard library | Added      | Lemma `not_NoDup`, `NoDup_app_remove_l`, `NoDup_app_remove_r` (#16588, by Stefan Haan & others).
+8.18.0 | Standard library | Added      | `skipn_skipn` in `Lists/List.v` (#16632, by Stephan Boyer).
+8.18.0 | Standard library | Added      | Lemmas `nth_error_ext`, `map_repeat`, `rev_repeat` in `List.v`; `to_list_nil_iff`, `to_list_inj` in `VectorSpec.v` (#16756, by Stefan Haan).
+8.18.0 | Standard library | Added      | Transparent `extgcd` to replace opaque `euclid` in `Znumtheory` (#16915, by Andres Erbsen).
+
+8.18.0 | Infrastructure and dependencies | Changed    | Entirely built with Dune; must use new build instructions (#15560, by Ali Caglayan, Emilio Jesus Gallego Arias, Rudi Grinberg).
+8.18.0 | Infrastructure and dependencies | Changed    | No longer uses `-rectypes` by default (#16007, by Gaëtan Gilbert).
+8.18.0 | Infrastructure and dependencies | Changed    | Dune >= 2.9 is required (#16118, by Emilio Jesus Gallego Arias).
+8.18.0 | Infrastructure and dependencies | Changed    | Makefile “pretty-timed” targets strip absolute prefixes from paths (#16268, by Jason Gross).
+8.18.0 | Infrastructure and dependencies | Changed    | Default to `-native-compiler no` in Coq’s configure (#16997, by Théo Zimmermann).
+8.18.0 | Infrastructure and dependencies | Removed    | `-coqide` and `-nomacintegration` from Coq’s configure (#16512, #16531, by Gaëtan Gilbert & Emilio Jesus Gallego Arias).
+8.18.0 | Infrastructure and dependencies | Added      | Coq now supports OCaml 5, though `native_compute` is unavailable (#15494 et al., by multiple authors).
+8.18.0 | Infrastructure and dependencies | Added      | Official support for OCaml 4.14 (#15867, by Gaëtan Gilbert).
+
+8.18.0 | Miscellaneous | Changed    | Module names added to loadpath in alphabetical order instead of directory order (#16725, by Jim Fehrle).
+
+--------------------------------------------------------------------------------
+8.17.0 | Kernel | Fixed      | :tacn:`vm_compute` inconsistency by removing a vulnerable cache (#16958, fixes #16957, by Gaëtan Gilbert).
+8.17.0 | Kernel | Fixed      | Unexpected anomaly in fixpoint termination with inaccessible branches (#17116, fixes #17073, by Hugo Herbelin).
+
+8.17.0 | Specification language, type inference | Changed    | The “Unused variable ‘ident’ might be a misspelled constructor” warning triggers even if the variable matches a single case (#16135, by Pierre Roux).
+8.17.0 | Specification language, type inference | Fixed      | Pattern-matching clauses lost for a constructor from a singleton inductive under implicit coercions (#17138, fixes #17137, by Hugo Herbelin).
+8.17.0 | Specification language, type inference | Fixed      | Possible anomaly with `term.(proj)` if projection is from a section (#17174, fixes #17173, by Hugo Herbelin).
+
+8.17.0 | Notations | Changed    | New lexical rule: if multiple tokens match the same characters, the longest matching token that does not cut inside a contiguous letter group is used (#16322, fixes #4712, by Hugo Herbelin).
+8.17.0 | Notations | Added      | `Enable Notation` / `Disable Notation` to toggle previously defined notations (#12324, #16945, by Hugo Herbelin, Pierre Roux, Lionel Rieg).
+8.17.0 | Notations | Added      | Multiple scopes in :cmd:`Arguments`, e.g. `Arguments foo _%scope _%other` (#16472, by Pierre Roux & others).
+8.17.0 | Notations | Added      | :attr:`add_top` / :attr:`add_bottom` for `Bind Scope` to attach multiple scopes (#16472, by Pierre Roux & others).
+
+8.17.0 | Tactics | Changed    | Documented grammar is now correct for the tactics chapter (#15015, #16498, #16659, by Jim Fehrle & reviewers).
+8.17.0 | Tactics | Changed    | :tacn:`eauto` respects `Extern` hint priorities (#16289, fixes #5163, #16282, by Andrej Dudenhefner).
+8.17.0 | Tactics | Changed    | :tacn:`auto` is more consistent with :tacn:`simple apply` and :tacn:`exact` (#16293, fixes #16062, #16323, by Andrej Dudenhefner).
+8.17.0 | Tactics | Removed    | `absurd_hyp` tactic (use :tacn:`contradict`) (#16670, by Théo Zimmermann).
+8.17.0 | Tactics | Removed    | Undocumented `progress_evars` tactical (#16843, by Théo Zimmermann).
+8.17.0 | Tactics | Deprecated | Default `intuition_solver` uses `auto with *`, now warns with `intuition-auto-with-star` (#16026, by Gaëtan Gilbert).
+8.17.0 | Tactics | Deprecated | The `>` clear modifier (#16407, by Théo Zimmermann).
+8.17.0 | Tactics | Fixed      | :tacn:`auto` updates local hypotheses after a hint is applied (#16302, fixes #15814, #6332, by Andrej Dudenhefner).
+8.17.0 | Tactics | Fixed      | :tacn:`destruct ... using ...` is now more aligned with :tacn:`destruct ...` (#16605, by Lasse Blaauwbroek).
+8.17.0 | Tactics | Fixed      | Typeclass inference sometimes lost holes (#16743, fixes #5239, by Gaëtan Gilbert).
+
+8.17.0 | Ltac language | Changed    | `Ltac ::= ...` redefinitions now respect :attr:`local` (#16106, by Gaëtan Gilbert).
+8.17.0 | Ltac language | Changed    | In :tacn:`match goal`, “hyp := body : typ” is sugar only for a default cast (#16764, by Gaëtan Gilbert).
+
+8.17.0 | Ltac2 language | Changed    | `Ltac2.Bool` notations moved into `Ltac2.Bool.BoolNotations` (#16536, by Jason Gross).
+8.17.0 | Ltac2 language | Changed    | `Constr.in_context` enforces the “constr is a type” requirement (#16547, fixes #16540, by Gaëtan Gilbert).
+8.17.0 | Ltac2 language | Changed    | Goal matching functions in `Ltac2.Pattern` changed type (#16655, by Gaëtan Gilbert).
+8.17.0 | Ltac2 language | Added      | Deep pattern matching with `match x with` + `as`, records, literal ints (#16023, #16179, by Gaëtan Gilbert).
+8.17.0 | Ltac2 language | Added      | `Message.to_string`, `String.concat`, `String.cat`, `String.equal`, etc. (#16217, by Gaëtan Gilbert).
+8.17.0 | Ltac2 language | Added      | `Ltac2.Constr.Unsafe.liftn` (#16413, by Jason Gross).
+8.17.0 | Ltac2 language | Added      | `Ltac2.Constr.Unsafe.closedn`, `is_closed`, `occur_between`, `occurn` (#16414, by Jason Gross).
+8.17.0 | Ltac2 language | Added      | `Ltac2.List.equal` (#16429, by Jason Gross).
+8.17.0 | Ltac2 language | Added      | :cmd:`Print Ltac2`, :cmd:`Print Ltac2 Signatures`, :cmd:`Locate` can find Ltac2 definitions (#16466, fixes #16418, #16415, by Gaëtan Gilbert).
+8.17.0 | Ltac2 language | Added      | `Ltac2.Array.for_all2`, `Ltac2.Array.equal` (#16535, by Jason Gross).
+8.17.0 | Ltac2 language | Added      | `Ltac2.Constant.equal` & many `equal` for Constructors, Evars, Floats, etc. (#16537, by Jason Gross).
+8.17.0 | Ltac2 language | Added      | `Ltac2.Option.equal` (#16538, by Jason Gross).
+8.17.0 | Ltac2 language | Added      | Syntax for Ltac2 record update `{ foo with field := bar }` (#16552, fixes #10117, by Gaëtan Gilbert).
+8.17.0 | Ltac2 language | Added      | Record punning in Ltac2, e.g. `{ foo; M.bar }` (#16556, by Gaëtan Gilbert).
+8.17.0 | Ltac2 language | Added      | `match! goal` can match hypothesis bodies (#16655, fixes #12803, by Gaëtan Gilbert).
+8.17.0 | Ltac2 language | Added      | Quotation & syntax class for “preterm” (#16740, by Gaëtan Gilbert).
+
+8.17.0 | SSReflect | Added      | `olift`, `pred_oapp`, etc. from math-comp (#16158, by Pierre Roux).
+
+8.17.0 | Commands and options | Changed    | Commands setting tactic options now support :attr:`export` (#15274, by Gaëtan Gilbert).
+8.17.0 | Commands and options | Changed    | No “locality attribute omitted” warnings for `Hint` / `Instance` become errors now (#16004, by Ali Caglayan).
+8.17.0 | Commands and options | Changed    | Program transparent obligations no longer produce an implicit `Hint Unfold` (#16340, by Pierre-Marie Pédrot).
+8.17.0 | Commands and options | Changed    | `Print Typeclasses` replaces `Print TypeClasses` (#16690, fixes #16686, by Ali Caglayan).
+8.17.0 | Commands and options | Changed    | `-async-proofs-tac-j=0` means no new processes for `par` (#16837, by Pierre-Marie Pédrot).
+8.17.0 | Commands and options | Removed    | The “Program Naming” flag (#16519, by Pierre-Marie Pédrot).
+8.17.0 | Commands and options | Removed    | Undocumented/broken `Solve Obligation` (#16842, by Théo Zimmermann).
+8.17.0 | Commands and options | Deprecated | `:>` syntax for typeclass instance fields replaced by `::` (#16230, by Pierre Roux & others).
+8.17.0 | Commands and options | Added      | Better doc for :cmd:`Proof using` (#16168, by Jim Fehrle).
+8.17.0 | Commands and options | Added      | `::` syntax for typeclass instance fields (#16230, by Pierre Roux & others).
+8.17.0 | Commands and options | Added      | :cmd:`Print Keywords` (#16438, by Gaëtan Gilbert).
+8.17.0 | Commands and options | Added      | :cmd:`Print Grammar` for arbitrary nonterminals (#16440, by Gaëtan Gilbert).
+8.17.0 | Commands and options | Fixed      | :flag:`Fast Name Printing` no longer captures variable names (#16395, by Wojciech Karpiel).
+8.17.0 | Commands and options | Fixed      | :tacn:`vm_compute` respects `bytecode-compiler` (#16931, by Gaëtan Gilbert).
+8.17.0 | Commands and options | Fixed      | :cmd:`Proof Mode` errors if nonexistent (#16981, by Jim Fehrle).
+8.17.0 | Commands and options | Fixed      | Backtracking over grammar modifications (#17069, by Gaëtan Gilbert).
+8.17.0 | Commands and options | Fixed      | Anomaly in :cmd:`Function` with an applied `fix` (#17113, by Hugo Herbelin).
+
+8.17.0 | Command-line tools | Changed    | `coq_makefile` no longer passes `-rectypes` to OCaml (#17038, by Karl Palmskog & Gaëtan Gilbert).
+8.17.0 | Command-line tools | Changed    | `coqdoc` no longer indexes variable binders by default (#17045, by Karl Palmskog).
+8.17.0 | Command-line tools | Added      | `coqdoc` can now unify references (#17118, by Enrico Tassi).
+8.17.0 | Command-line tools | Added      | `-require lib` / `-require-from root lib` (#17364, by Hugo Herbelin).
+8.17.0 | Command-line tools | Added      | `coqtimelog2html` to render timing logs (#17411, by Gaëtan Gilbert).
+8.17.0 | Command-line tools | Fixed      | `coq_makefile` large “install” commands replaced by smaller ones (#17697, by Gaëtan Gilbert).
+
+8.17.0 | CoqIDE | Changed    | XML protocol includes line+column info (#17382, by Emilio Jesus Gallego Arias).
+
+8.17.0 | Standard library | Changed    | `Vector.nth` is strict (#16731, fixes #16738, by Andrej Dudenhefner).
+8.17.0 | Standard library | Changed    | `set_diff_nodup` drops second NoDup assumption (#16926, by Karl Palmskog & others).
+8.17.0 | Standard library | Changed    | Instances from `DecidableClass` moved (#17021, by Andres Erbsen).
+8.17.0 | Standard library | Changed    | `btauto.Algebra.bool` hint is now :attr:`export` (#17281, by Andres Erbsen).
+8.17.0 | Standard library | Changed    | `xorb` simplified (#17427, by Guillaume Melquiond).
+8.17.0 | Standard library | Changed    | Renames in `Reals/RIneq.v` (#17036, by Pierre Rousselin & Laurent Théry).
+8.17.0 | Standard library | Removed    | Old definitions like `Datatypes.prod_curry` (#16920, by Olivier Laurent).
+8.17.0 | Standard library | Deprecated | `Coq.Lists.List.Forall2_refl` (#17646, by Gaëtan Gilbert).
+8.17.0 | Standard library | Deprecated | `ZArith.Zdigits` (#17733, by Andres Erbsen).
+8.17.0 | Standard library | Deprecated | `Numbers.Cyclic.Int31.Cyclic31` (#17734, by Andres Erbsen).
+8.17.0 | Standard library | Deprecated | Various `Reals/RIneq.v` lemmas (#17036, by Pierre Rousselin & Laurent Théry).
+8.17.0 | Standard library | Added      | `olift` and `pred_oapp`, plus new lemmas from math-comp (#16158, by Pierre Roux).
+8.17.0 | Standard library | Added      | Extra Permutation/List lemmas (#15986, by Andrej Dudenhefner & others).
+8.17.0 | Standard library | Added      | `Nat.Div0` / `Nat.Lcm0` / `N.Div0` / `N.Lcm0` (#16203, by Andrej Dudenhefner).
+8.17.0 | Standard library | Added      | `measure_induction` in `Nat` and `N` (#16203, by Andrej Dudenhefner).
+8.17.0 | Standard library | Added      | `Listing_decidable_eq`, `Finite_dec`, `NoDup_list_decidable` (#16489, by Bodo Igler & others).
+8.17.0 | Standard library | Added      | `not_NoDup`, `NoDup_app_remove_l`, `NoDup_app_remove_r` (#16588, by Stefan Haan & others).
+8.17.0 | Standard library | Added      | `skipn_skipn` (#16632, by Stephan Boyer).
+8.17.0 | Standard library | Added      | `nth_error_ext`, `map_repeat`, `rev_repeat` in `List.v`; `to_list_nil_iff`, `to_list_inj` in `VectorSpec.v` (#16756, by Stefan Haan).
+8.17.0 | Standard library | Added      | Transparent `extgcd` in `Znumtheory` (#16915, by Andres Erbsen).
+
+8.17.0 | Infrastructure and dependencies | Changed    | Dune-only build (#15560, by multiple authors).
+8.17.0 | Infrastructure and dependencies | Changed    | Not compiled with `-rectypes` anymore (#16007, by Gaëtan Gilbert).
+8.17.0 | Infrastructure and dependencies | Changed    | Dune >= 2.9 (#16118, by Emilio Jesus Gallego Arias).
+8.17.0 | Infrastructure and dependencies | Changed    | `pretty-timed` targets in Makefiles strip absolute path prefixes (#16268, by Jason Gross).
+8.17.0 | Infrastructure and dependencies | Changed    | `-native-compiler no` by default (#16997, by Théo Zimmermann).
+8.17.0 | Infrastructure and dependencies | Removed    | `-coqide` and `-nomacintegration` (#16512, #16531, by Gaëtan Gilbert, Emilio Jesus Gallego Arias).
+8.17.0 | Infrastructure and dependencies | Added      | OCaml 5 support (still no `native_compute`) (#15494, etc.).
+8.17.0 | Infrastructure and dependencies | Added      | Officially supports OCaml 4.14 (#15867, by Gaëtan Gilbert).
+
+8.17.0 | Miscellaneous | Changed    | Module names added to loadpath in alphabetical order, not directory order (#16725, by Jim Fehrle).
+
+--------------------------------------------------------------------------------
+8.17.1 | Command-line tools | Fixed      | coqdep emitted incorrect paths for META files, breaking some dune plugin builds (#17270, fixes #16571, by Rodolphe Lepigre).
+8.17.1 | Extraction        | Fixed      | Shadowing of record fields in extracted OCaml code (#17324, fixes #12813, #14843, #16677, by Hugo Herbelin).
+8.17.1 | Infrastructure    | Fixed      | “backtracking and redoing byextend on …” debug message is now fully off (#17495, fixes #17488, by Gaëtan Gilbert).
+8.17.1 | Infrastructure    | Fixed      | Major memory regression with typeclass inference in certain cases (#17743, by Enrico Tassi & Pierre Roux).