Issue #2353691 by micnap | ultimike: D6->D8 Migration missing variable: page_compression.
Issue #2356609 by tstoeckler | yched: Remove support for "reference a specific revision".
Issue #2359035 by metzlerd: Add info to Routing topic about magic placeholder transformation to parameters in method
Issue #1971208 by calebtr, dsayswhat, metzlerd, agentrickard: Replace "utilize" with a proper verb.
Issue #2359561 by metzlerd: Make #attached more prevalent in render api docs.
Issue #1623574 by droplet, cilefen, cesarmiquel, patrickfgoddard, sun, zaporylie, er.pushpinderrana, stevecowie, mbroere: Fixed Remove trailing space from form element labels and field labels (HTML nbsp).
Issue #2267551 follow-up by jfhovinne: [meta] Deal with PHP requirement vs. Debian PHP version numbering.
Issue #1856262 by chx, pwolanin: Raise MySQL requirement to 5.1.21 to support caching of prepared statements.
Issue #2351847 by damiankloip: Fixed Rename getCacheTag() to getCacheTags().
Issue #1825466 by justafish, tstoeckler, alexpott, sun: [docs follow-up, then backport to D7] Allow NestedArray::mergeDeepArray() to preserve integer keys.
Issue #2226533 by martin107, filijonka, YesCT, Xano, jmolivas, Chris Dart, alexpott, tstoeckler, visabhishek | csg: Changes to the Language class due to the LanguageInterface (followup).
Issue #2359005 by alexpott: Fixed LocalTaskManagerTest only works because we mock a non existing method.
Issue #2358333 by mikey_p: Fixed ConfigManager should use interface for translation manager type hint.
Issue #2329767 by lauriii, alexpott, Cottser, sqndr: Move table classes from preprocess to templates.
Issue #2329763 by lauriii, Jens-0, Cottser, Sutharsan: Move links classes from preprocess to templates.
Issue #2065485 by tim.plunkett, Xano: Document that PluginFormInterface should use #process to solve nesting issues.
Issue #1813488 by babruix, Ivan Zugec, quietone, ngwebs, legolasbo | amontero: Add descriptions to clarify "administer users" and "administer user settings" permissions.
Issue #2348793 by ACF, nlisgo | csakiistvan: Fixed I can not uninstall Classy theme .
Issue #2353695 by ultimike: D6->D8 Migration missing variable: feed_item_length.
Issue #2326875 by tim.plunkett, iMiksu | almaudoh: Convert file_element_info() to Element classes.