What's Changed
- fix: inherit Reader/Writer/ErrWriter from parent on subcommand setup by @c-tonneslan in #2329
- fix: correct greedy colon parsing in bash completion script by @TimSoethout in #2336
- fix: Honor env sources on duplicated flags by @ibobgunardi in #2355
- fix: Remove incorrect flag check by @MohitPanchariya in #2280
- fix: let completion command use normal flag parsing pipeline by @suzuki-shunsuke in #2279
- fix: bash completion spacing by @cyphercodes in #2337
- fix: fish custom completion arguments by @puneetdixit200 in #2338
- fix: empty positional arg after a flag regression test by @c-tonneslan in #2328
- docs: document build tags in v3 migration guide by @dearchap in #2358
- chore(deps): bump mkdocs-git-revision-date-localized-plugin by @dependabot in #2347
- Fix typos by @myfloss in #2339
Full Changelog: v3.9.0...v3.9.1