What's Changed
- serialise singleton construction in FileLockMeta by @dxbjavid in #581
- _util: drop the dead st_mtime=0 short-circuit in raise_on_not_writable_file by @HrachShah in #582
- test: silence fork DeprecationWarning on 3.15 by @gaborbernat in #585
Full Changelog: 3.29.5...3.29.6