💡 Improvements

• If one has a Stream<Optional<T>> stream of size N and does stream.flatMap(Optional::stream), you’ll end up allocating N extra streams — one for each Optional input element. When N is large, those allocations can cause extra GC cycles and pauses if allocation rate is high enough leading to issues with latency, throughput, and allocation sensitive code paths.

  Stream.filter(Optional::isPresent).map(Optional::get) is more efficient than Stream.flatMap(Optional::stream) as it does not allocate a new Stream for every element in the stream. (#2946)

💥 Breaks

• All modules now require Java 17. (#2898)

No documented user-facing changes

💡 Improvements

• Fix slow compilation for large pattern matching switch (#2851)

🐛 Fixes

• migrate to newer plugin publish format (#2903)

💡 Improvements

• Disable the InjectOnConstructorOfAbstractClass errorprone for gradle plugin projects (#2913)

🐛 Fixes

• Eliminate false positives produces by IllegalSafeLoggingArgument when using Multimap collectors. (#2891)

🐛 Fixes

• Fix checkUnusedDependencies for multi-source projects (#2883)

💡 Improvements

• disable PreferSafeLogger and StrictUnusedVariable for intellij (#2878)

No documented user-facing changes

🐛 Fixes

• Preserve "Can Resolve" Settings When Cloning Implementation (#2860)