✨ Features

• Allow linker to perform deadcode elimination for program using Cobra by @aarzilli in https://github.com/spf13/cobra/pull/1956
• Add default completion command even if there are no other sub-commands by @marckhouzam in https://github.com/spf13/cobra/pull/1559
• Add CompletionWithDesc helper by @ccoVeille in https://github.com/spf13/cobra/pull/2231

🐛 Fixes

• Fix deprecation comment for Command.SetOutput by @thaJeztah in https://github.com/spf13/cobra/pull/2172
• Replace deprecated ioutil usage by @nirs in https://github.com/spf13/cobra/pull/2181
• Fix --version help and output for plugins by @nirs in https://github.com/spf13/cobra/pull/2180
• Allow to reset the templates to the default by @marckhouzam in https://github.com/spf13/cobra/pull/2229

🤖 Completions

• Make Powershell completion work in constrained mode by @lstemplinger in https://github.com/spf13/cobra/pull/2196
• Improve detection for flags that accept multiple values by @thaJeztah in https://github.com/spf13/cobra/pull/2210
• add CompletionFunc type to help with completions by @ccoVeille in https://github.com/spf13/cobra/pull/2220
• Add similar whitespace escape logic to bash v2 completions than in other completions by @kangasta in https://github.com/spf13/cobra/pull/1743
• Print ActiveHelp for bash along other completions by @marckhouzam in https://github.com/spf13/cobra/pull/2076
• fix(completions): Complete map flags multiple times by @gabe565 in https://github.com/spf13/cobra/pull/2174
• fix(bash): nounset unbound file filter variable on empty extension by @scop in https://github.com/spf13/cobra/pull/2228

🧪 Testing

• Test also with go 1.23 by @nirs in https://github.com/spf13/cobra/pull/2182
• Make detection for test-binary more universal by @thaJeztah in https://github.com/spf13/cobra/pull/2173

✍🏼 Documentation

• docs: update README.md by @eltociear in https://github.com/spf13/cobra/pull/2197
• Improve site formatting by @nirs in https://github.com/spf13/cobra/pull/2183
• doc: add Conduit by @raulb in https://github.com/spf13/cobra/pull/2230
• doc: azion project added to the list of CLIs that use cobra by @maxwelbm in https://github.com/spf13/cobra/pull/2198
• Fix broken links in active_help.md by @vuil in https://github.com/spf13/cobra/pull/2202
• chore: fix function name in comment by @zhuhaicity in https://github.com/spf13/cobra/pull/2216

🔧 Dependency upgrades

• build(deps): bump github.com/cpuguy83/go-md2man/v2 from 2.0.5 to 2.0.6 by @thaJeztah in https://github.com/spf13/cobra/pull/2206
• Update to latest go-md2man by @mikelolasagasti in https://github.com/spf13/cobra/pull/2201
• Upgrade pflag dependencies for v1.9.0 by @jpmcb in https://github.com/spf13/cobra/pull/2233

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Thank you to all of our amazing contributors and all the great work that's been going into the completions feature!!

👋🏼 New Contributors

• @gabe565 made their first contribution in https://github.com/spf13/cobra/pull/2174
• @maxwelbm made their first contribution in https://github.com/spf13/cobra/pull/2198
• @lstemplinger made their first contribution in https://github.com/spf13/cobra/pull/2196
• @vuil made their first contribution in https://github.com/spf13/cobra/pull/2202
• @mikelolasagasti made their first contribution in https://github.com/spf13/cobra/pull/2201
• @zhuhaicity made their first contribution in https://github.com/spf13/cobra/pull/2216
• @ccoVeille made their first contribution in https://github.com/spf13/cobra/pull/2220
• @kangasta made their first contribution in https://github.com/spf13/cobra/pull/1743
• @aarzilli made their first contribution in https://github.com/spf13/cobra/pull/1956

Full Changelog: https://github.com/spf13/cobra/compare/v1.8.1...v1.9.0