Disallow abstract definitions from doctrine event listener registration
[Form][Validator] All index items after children are to be considered grand-children when resolving ViolationPath (fixes #11458)
[WebProfilerBundle] turbolinks compatibility
[Translation] made XliffFileDumper support CDATA sections.
Made optimization deprecating modulus operator
[YAML] resolve variables in inlined YAML
[Form] FormBuilder::getIterator() now deals with resolved children
Fix potential DoS when parsing HOST
Test examples from Drupal SA-CORE-2014-003
fix parsing of Authorization header
Fixed the phpdoc of the VoterInterface
minor #11758 Fixed the phpdoc of the VoterInterface (stof)

This PR was merged into the 2.3 branch.

Discussion
----------

Fixed the phpdoc of the VoterInterface

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        | n/a

``null`` is an accepted value for voters (it is passed when you are not voting on a specific object, for instance for roles.

Commits
-------

b591404 Fixed the phpdoc of the VoterInterface
[DependencyInjection] fix @return anno created by PhpDumper
bug #11756 [DependencyInjection] fix @return anno created by PhpDumper (jakubkulhan)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #11756).

Discussion
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[DependencyInjection] fix @return anno created by PhpDumper

| Q             | A
| ------------- | ---
| Fixed tickets | ---
| License       | MIT

If a generated container is inside namespace, generated @return annos are not valid.

Commits
-------

39c4cc3 [DependencyInjection] fix @return anno created by PhpDumper
[Validator] Fixed wrong translation keys/messages for Collection constraint. The error messages for a missing field and an unexpected field did not match the Contraint class
[CssSelector] Fix URL to SimonSapin/cssselect repo
minor #11779 [CssSelector] Fix URL to SimonSapin/cssselect repo in README (jwpage)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #11779).

Discussion
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[CssSelector] Fix URL to SimonSapin/cssselect repo in README

This fixes a broken link in the CssSelector README spotted by @philsturgeon in https://github.com/symfony/CssSelector/pull/2.

| Q             | A
| ------------- | ---
| Fixed tickets | none
| License       | MIT

Commits
-------

b9a237c [CssSelector] Fix URL to SimonSapin/cssselect repo
bug #11778 [Validator] Fixed wrong translations for Collection constraints (samicemalone)

This PR was merged into the 2.3 branch.

Discussion
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[Validator] Fixed wrong translations for Collection constraints

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #11630
| License       | MIT
| Doc PR        |

The error messages for a missing field and an unexpected field did not match the Constraint class.

Commits
-------

808de2b [Validator] Fixed wrong translation keys/messages for Collection constraint. The error messages for a missing field and an unexpected field did not match the Contraint class
Fixed Factory services not within the ServiceReferenceGraph.
bug #11639 [DependencyInjection] Fixed factory service not within the ServiceReferenceGraph. (boekkooi)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #11639).

Discussion
----------

[DependencyInjection] Fixed factory service not within the ServiceReferenceGraph.

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

Fixed a problem where Factory services are not added to the ServiceReferenceGraph.

Commits
-------

e992f8e Fixed Factory services not within the ServiceReferenceGraph.