PLATFORM: All lombok features updated to act in a sane fashion with JDK16's record feature. In particular, you can annotate record components with @NonNull to have lombok add null checks to your compact constructor (which will be created if need be).
BUGFIX: Trying to use a lambda expression as parameter to an @ExtensionMethod did not work. Issue #2741. (by @Rawi01).
BUGFIX: @SuperBuilder with an existing constructor caused issues in eclipse. Issue #2704. (by @JanRieke).
BUGFIX: Using @SuperBuilder with a handwritten builder class caused issues. Issue #2701. (by @JanRieke).
BUGFIX: Lombok interacts properly with the new save actions in eclipse 2021-03.
POTENTIAL BUGFIX: lombok + errorprone could cause IllegalArgumentException if using the MissingSummary bug pattern. Issue #2730.