scala
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+# Scala 2.13.11
+
 The Scala team at Lightbend is pleased to announce the availability of Scala 2.13.11.
 
 The following changes are highlights of this release:
 
-### Category 1
+### Collections
+
+* Faster `Vector` concatenation ([#10159](https://github.com/scala/scala/pull/10159) by [@ansvonwa](https://github.com/ansvonwa))
+* New `LinkedHashMap`/`LinkedHashSet` implementation ([#10221](https://github.com/scala/scala/pull/10221) by [@liang3zy22](https://github.com/liang3zy22))
+
+### Compatibility
+
+* Support JDK 21 by upgrading to ASM 9.5 ([#10363](https://github.com/scala/scala/pull/10363), [#10184](https://github.com/scala/scala/pull/10184) by [@Philippus](https://github.com/Philippus))
+* Support Java 17 `sealed` in Java sources and classfiles ([#10348](https://github.com/scala/scala/pull/10348), [#10105](https://github.com/scala/scala/pull/10105) by [@som-snytt](https://github.com/som-snytt)
 
-### Category 2
+### Align with Scala 3
+
+* Accept `implicit _`, `implicit (x: Int)` in lambdas, like Scala 3 does ([#10327](https://github.com/scala/scala/pull/10327) by [@som-snytt](https://github.com/som-snytt))
+* Inherited members no longer take precedence over outer definitions ([#10220](https://github.com/scala/scala/pull/10220), [#10339](https://github.com/scala/scala/pull/10339))
+* Deprecate infix type args, as they are dropped in Scala 3 ([#10255](https://github.com/scala/scala/pull/10255) by [@som-snytt](https://github.com/som-snytt))
+* Allow eta-expansion of methods with dependent types ([#10166](https://github.com/scala/scala/pull/10166))
+* Abstract parent `copy` does not suspend case `copy` ([#10085](https://github.com/scala/scala/pull/10085) by [@som-snytt](https://github.com/som-snytt))
+* Don't GLB binders of type patterns, use the type directly ([#10247](https://github.com/scala/scala/pull/10247))
+* Under `-Xsource:3`, adjust 2.13.9 change to ignore override type for whitebox macro expansion ([#10188](https://github.com/scala/scala/pull/10188) by [@som-snytt](https://github.com/som-snytt))
+* Under `-Xsource:3`, use narrowest type for pt of override  ([#10198](https://github.com/scala/scala/pull/10198) by [@som-snytt](https://github.com/som-snytt))
+* Under `-Xsource:3`, warn about change to parenless lambda parens ([#10320](https://github.com/scala/scala/pull/10320) by [@som-snytt](https://github.com/som-snytt))
+
+### Lints and warnings
+
+* Lint select from Unit, or Int that incurs widening ([#10372](https://github.com/scala/scala/pull/10372) by [@som-snytt](https://github.com/som-snytt))
+* Lint for integral divisions that are widened to a float [forward port from 2.12] ([#10369](https://github.com/scala/scala/pull/10369) by [@som-snytt](https://github.com/som-snytt))
+* Lint if args adapted to `Unit` and discarded ([#10150](https://github.com/scala/scala/pull/10150) by [@som-snytt](https://github.com/som-snytt))
+* Warn that implicit should have explicit type ([#10083](https://github.com/scala/scala/pull/10083) by [@som-snytt](https://github.com/som-snytt))
 
 ### Other notable changes
 
+* Disallow mixins where super calls bind to vals ([#10268](https://github.com/scala/scala/pull/10268))
+* Make scalac's argument-file processing more like javac's in handling spaces and line breaks ([#10319](https://github.com/scala/scala/pull/10319) by [@som-snytt](https://github.com/som-snytt))
+* Bump JLine and JNA versions ([#10318](https://github.com/scala/scala/pull/10318))
+* javabootclasspath supersedes jrt ([#10336](https://github.com/scala/scala/pull/10336) by [@som-snytt](https://github.com/som-snytt))
+* Report total errors on stderr ([#10272](https://github.com/scala/scala/pull/10272) by [@som-snytt](https://github.com/som-snytt))
+* Fix pathologically slow compilation of some pattern matches since 2.13.7 ([#10258](https://github.com/scala/scala/pull/10258) by [@KisaragiEffective](https://github.com/KisaragiEffective))
+* Provide `equals` and `hashCode` on `IterableWrapper` again (fixing 2.13.9 regression) ([#10205](https://github.com/scala/scala/pull/10205) by [@som-snytt](https://github.com/som-snytt))
+* Improvements to `-Vimplicits`; errors now show complete implicit search tree ([#9944](https://github.com/scala/scala/pull/9944) by [@tribbloid](https://github.com/tribbloid))
+
 For the complete 2.13.11 change lists, see [all merged PRs](https://github.com/scala/scala/pulls?q=is%3Amerged%20milestone%3A2.13.11) and [all closed bugs](https://github.com/scala/bug/issues?utf8=%E2%9C%93&q=is%3Aclosed+milestone%3A2.13.11).
 
 ## Compatibility