Summary
- 1.21.9 part 1: bump versions (commit: 8577540) (details)
- 1.21.9 part 2: bump import revisions (commit: fa3fa0c) (details)
- 1.21.9 part 3: update reflection mappings (commit: 54288ea) (details)
- 1.21.9 part 4: update mappings check (commit: eb89e66) (details)
- 1.21.9 part 5: initial code updates (commit: 5cdacb8) (details)
- `debugblock`: minimal compatibility, meta note (commit: 27b34f6) (details)