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Crush v0.99.0

Released · Charm

What the release notes say

Catwalk v3, hooks!

A big one! Crush now runs on Catwalk v3, hooks can see every part of a run, and editors that host Crush get a whole new set of tools to feel right at home.

Small overview of Catwalk v3:

Crush now speaks Catwalk v3. Provider type describes the API format a provider uses, not who made it:

  • completions: OpenAI-compatible APIs
  • responses: OpenAI, or anything routed through it
  • messages: Anthropic-compatible APIs

Your config is migrated automatically when it loads, so openai, openai-compat and anthropic keep working. No edits needed.

The provider add and model add flags follow along:

crush provider add deepseek \
  --type completions \
  --base-url "https://api.deepseek.com/v1" \
  --api-key "$DEEPSEEK_API_KEY"

crush model add deepseek/deepseek-chat --thinking toggleable --max-attachments 5
  • --can-reason is now --thinking always|never|toggleable
  • --max-attachments N is new
  • Reasoning levels show friendly names in the picker, like "X-High"

Hooks, everywhere 🪝

Hooks are no longer just about tools. They can now follow the whole run: sessions, turns, permissions and more!

Hooks are now checked against the list of known events, so a typo gets caught early. The docs cover each event and how it lines up with Claude Code.

Client/server mode

If you build something that runs Crush inside it, this release is for you:

  • Host themes: the host app can theme the TUI over the server API, so Crush matches your applications.
  • Host context: the host can tell Crush what's in view, like open files, and those files appear in completions.
  • Append to the next prompt: clients can add text the agent reads with the next prompt, without starting a run or cluttering the chat.
  • Shared viewing: clients can see which session other clients are looking at.
  • Piped permissions: set CRUSH_PERMISSIONS_PIPED=1 and the host answers permission prompts, so you aren't asked twice.
  • http:// addresses work as an alias for tcp:// when starting the server.

Steadier server

  • SIGHUP now reloads the config instead of stopping the server.
  • Closing the terminal or stopping Crush through a service manager now shuts down gracefully, so work in progress is saved instead of left looking stuck.

That's all for now! Charm XX 💫

Thoughts? Questions? We love hearing from you. Feel free to reach out on X, Discord, Slack, The Fediverse, Bluesky.

Changelog

New!

  • 9dac45bdfa3e978a76c595b238c5a5f37915c748: feat(config): declare the hook event list and validate hooks against it (@taciturnaxolotl)

  • bdc53ce00036b0a4ecef3fa7559d9f6e0a47581e: feat(hooks): add PostToolUse and PostToolUseFailure (@taciturnaxolotl)

  • 48c0224d2cbfaa24c4196caf4788b31589b1cf55: feat(hooks): add session, turn, permission and compaction lifecycle hooks (@taciturnaxolotl)

  • 27cb41b943ec9c4522f1928b2877b01a2139436f: feat(permission): tell subscribers when a prompt is cancelled (@taciturnaxolotl)

  • a0f462f39330d1cdef52ecd2e9bf8695cc445181: feat(server): host context (#4148) (@andrinoff)

  • 94592ce338bc766685775d4a85a1ffcd8acbdf54: feat(server): let client append to next prompt (#4176) (@andrinoff)

  • aae2ee262ce236f3b649fd4490a6a35301b6f7e2: feat(server): reload config on SIGHUP instead of stopping (@taciturnaxolotl)

  • 52dd976b9ca94ab108c0b4be7e7f52071a303aed: feat(server): tell clients which session other clients view (#4178) (@andrinoff)

  • a2c8a9519bf0a883b3c14826a7e6ca8e9397ca98: feat: Catwalk v3 (#3829) (@andrinoff)

  • 334982499a89f2cffb8311afd78e253568e1ac01: feat: allow a host application theme the TUI over server API (#4127) (@andrinoff)

Fixed

  • 451bedc0cd1f56d16e76bbb2b44b83da94a2a576: fix(config): keep tests from rewriting the real global config (@taciturnaxolotl)

  • 0e989d2a4580b464e7d68d049ec3627a732391b3: fix(server): preserve work in progress when Crush is told to quit (@taciturnaxolotl)

  • 21dd7482afe2846d8cea8353cbd1ee7f41d2e9a9: fix(tools): stop tool failures from ending the agent turn (#4143) (@andreynering)

  • eded979b927cc6619f645ff16c2d4324cf985f45: fix(ui): drop the dot between git branch and path in header (@taciturnaxolotl)

  • 685274b4514815b92a0d09af3e00054527b7061e: fix(ui): give the thinking spinner label its own color (@taciturnaxolotl)

  • 3629f66a574b978c6a9e93dff1da1f8e76928646: fix(ui): keep forked child processes from writing over the TUI (@taciturnaxolotl)

  • a945ccf9c17a59d98a9e07107011a88ded0ac513: fix(ui): stop the first prompt in a new session from duplicating itself (@taciturnaxolotl)

  • 3538c722ffce86ce41543df72c6efa4ea5e1672e: fix(ui): stop the yolo banner from inverting its meaning when truncated (@taciturnaxolotl)

  • ebf0e55bdf2067bde8eb9e1cb6e95a83cf83f70f: fix: add a flag to not show permissions (#4153) (@andrinoff)

Docs

  • 6c3ce0c8499e04e169393ff7732feb3ab9067bfa: docs(hooks): document the lifecycle events and Claude Code compatibility (@taciturnaxolotl)
  • 57f5901abe7e381af681745f308d3e689148b06a: docs(tools): stop background jobs from being waited on immediately (@taciturnaxolotl)

Other stuff

  • 82c0199068ad7656c105153a8cc1171a3a7d9c1a: chore: auto-update files (@charmcli)

  • a94ff94bcfa0a809246490d1fe43a8a9c1cd6745: chore: auto-update files (@charmcli)

  • 6366afc848fd7ee40c2adf1f44dd0210eb2590d9: chore: auto-update files (@charmcli)

  • 82b035a8daed905f3830f323e4ab3f121623f20a: chore: bump catwalk (@andrinoff)

  • 070e189933bcd1d3cecdae6f56dc9c30b9d39054: chore: regenerate golden files (@taciturnaxolotl)

  • 3e7d94e903f1cc173514efe5175a7d9ff2a6b680: fix(llama.cpp): double /v1 in model fetching (#4137) (@moul)

  • 40f57825cdfddf217c11cd293808aaf421f00ec0: refactor(hooks): run every event through one Event and one Runner (@taciturnaxolotl)

Continue at github.com ↗