Features
- Configure custom response headers by route (#6429)
Fixes
- Load unbound resource previews in the variable dialog (#6432)
- Restore publish countdown (#6443)
- Unblock reported MCP workflows and improve issue diagnostics (#6438)
- Validate response headers and expose MCP rule edits (#6444)
- Require screenshot target in MCP schema (#6447)
Other changes
- Clarify pathname rule matchers (#6446)
- Keep article indexing out of publish API requests (#6427)
- Release 26-09-2026
Full Changelog: 0.300.0...0.301.0