Mainline merges clarify pending pairing scope upgrades on reconnect, tighten gateway probe vs reachability signals, and harden Slack sends when channel secrets are still resolving.
OpenClaw mainline split detached task lifecycle and plugin registration into a clearer runtime contract, while browser, agent-lane, and cron reliability fixes shipped in the same window.
Stable stays on v2026.4.15 for production tags while mainline adds hello-ok/device-token fixes, macOS monitor snapshots, serialized OAuth refresh across agents, and routing/UI polish — stay on tags unless you track main.
OpenClaw adds forward compatibility for gpt-5.4-pro with Codex pricing/limits visibility, fixes provider config breakage, and tightens local-model timeout handling.