Added custom Lock to make sure that the main thread is paused during AST browsing
Avoid compiler crash in REPL with string interpolation
Prefer PartialFunction#runWith over isDefinedAt/apply library:base
[#11559] Fix HashMap.merged behaviour for case where left HashMap size=1
-Ywarn-unused:privates doesn't warn on unused locals
Correct Java signature for value classes appearing in type arguments
ProTip! What’s not been updated in a month: updated:<2019-05-17.