## Core
### Bugfixes
- Default provider header timeouts to five minutes so slow model startups fail less often.
- Default streamed chunk timeouts to five minutes, with `false` supported to disable them.
- Let Anthropic `thinking.blockBinding` opt out via config when you need to keep the provider default. (@dkindlund)
- Limit Anthropic thinking block binding to Claude 5.1+ models so older deployments do not reject requests.
- Avoid unhandled errors when canceling timed-out SSE reads. (@AlexanderWillner)
**Thank you to 2 community contributors:**
- @AlexanderWillner:
- fix(provider): handle SSE reader cancel rejections (#44944)
- @dkindlund:
- fix(opencode): let config opt out of Anthropic thinking blockBinding (#46820)