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+[@liufengyun]: https://github.com/liufengyun
+
+[4073]: https://github.com/sbt/sbt/issues/4073
+[4084]: https://github.com/sbt/sbt/pull/4084
+
+
+### Improvements
+
+- Detect dotty plugins which have descriptor file named `plugin.properties` instead of `scalac-plugin.xml`.  [#4073][4073]/[#4084][4084] by [@liufengyun][@liufengyun]