Alpha· Notable · Confirmed
Plugin guidance reacts to environment readiness and MCP startup recovers better
Plugin guidance became environment-aware, cancelled reviews no longer leave MCP startup busy, and fresh exec-policy warnings are surfaced.
This release makes managed capabilities respond more accurately to environment state and clears a failure mode that could leave MCP startup appearing busy.
Alpha release context: 1 official tag was published that UTC day (rust-v0.143.0-alpha.37). The full comparison contains 8 commits and 38 changed files.
Evidence
Plugin guidance reacts to environment readiness.Why it matters: Codex can adjust plugin instructions when the selected environment is not ready for those capabilities.
Direct evidence · Confirmed
Supporting sources
- Make plugin guidance react to environment readiness (#30223) commit · Official
- rust-v0.143.0-alpha.36 to rust-v0.143.0-alpha.37 comparison tag-compare · Official
Conflicting sources
No conflicting sources recorded.
Cancelling a review no longer leaves MCP startup stuck in a busy state.Why it matters: A cancelled review should release the startup state instead of blocking subsequent MCP work.
Direct evidence · Confirmed
Supporting sources
- Fix cancelled review leaving MCP startup busy (#31189) commit · Official
- rust-v0.143.0-alpha.36 to rust-v0.143.0-alpha.37 comparison tag-compare · Official
Conflicting sources
No conflicting sources recorded.
Freshly loaded thread configuration emits exec-policy warnings.Why it matters: Users can see policy problems introduced by newly loaded thread configuration rather than missing that feedback.
Direct evidence · Confirmed
Supporting sources
- Emit exec-policy warnings for freshly loaded thread config (#31253) commit · Official
- rust-v0.143.0-alpha.36 to rust-v0.143.0-alpha.37 comparison tag-compare · Official
Conflicting sources
No conflicting sources recorded.
Availability
Availability note: these sources establish repository and CLI release activity. They do not, by themselves, prove that the same changes were live in Codex Desktop.
Availability by surface
| Surface | Status | Claim-level evidence |
|---|---|---|
| CLI | Prerelease · Documented · General |
|
| Desktop | Unknown · Unknown · Unknown |
|
| IDE | Unknown | No central-claim assertion recorded. |
| Cloud | Unknown | No central-claim assertion recorded. |
| Mobile | Unknown | No central-claim assertion recorded. |