JDK 27 G1/Parallel/Serial GC Changes

tschatzl @ github About JDK 27 G1/Parallel/Serial GC changes Aug 10, 2026 OpenJDK 28 release is on the horizon I thought it would be time to discuss interesting changes in OpenJDK’s stop-the-world collectors in the HotSpot VM once more. The complete list of resolved/closed changes for the GC subcomponent for JDK 27 is here, containing around 350 changes in total. This raw count aligns with last release; similar to then, these numbers may be a bit inflated because of a fairly unusual number of re