**Goals** now enabled by default with dedicated storage and cross-turn progress tracking; `codex remote-control` redesigned to run foreground with readiness checks.
**Claude Code** fixes Bash tool exit code 127 regression that broke command execution for some users.
Install plugins from `file://` URLs alongside npm and git, and keep interactive sessions alive during idle periods or approval waits instead of treating them as ended.
Token usage display now shows cumulative session usage instead of partial counts.
**Context window tier selection** (default ~200K vs 1M tokens) now enforces constraints end-to-end across compaction, truncation, and token display.
**Redesigned diff viewer** with file tree and refreshed layout, plus clearer error messaging across model, PTY, and skill invocation flows.