[Release] openclaw/openclaw v2026.5.28-beta.4: openclaw 2026.5.28-beta.4

OpenClaw v2026.5.28-beta.4 delivers significant stability and safety improvements across agent runtime recovery, channel delivery, mobile/chat surfaces, and provider coverage. Key enhancements include steadier subagent workspace separation, safer session identity handling across multiple platforms (Matrix, Slack, Discord, Teams, WhatsApp, Telegram, iMessage), broader mobile UI refresh, stricter input validation, expanded provider support (Claude Opus 4.8, Fal Krea, NVIDIA models), and faster CLI/auth failure detection with clearer recovery paths.

Key Points

• •Agent runtime recovery improved: subagents maintain cwd/workspace separation, hook context stays prompt-local, session locks release on timeout, stale restart continuations avoided, and shared runtime state preserved across app-server/helper failures
• •Channel delivery safety enhanced across 8+ platforms (Matrix, Slack, Discord, Teams, WhatsApp, Telegram, iMessage, Signal) with canonical session key threading and proper identity preservation
• •Mobile/chat surfaces refreshed: iOS Pro UI, hosted push relay defaults, realtime Talk playback, Gateway chat transport, WebChat reconnect delivery, and session picker behavior now preserve state across reconnects
• •Input validation stricter: Browser tool timeouts, viewport indices, Gateway ports, cron retry handling, Discord component IDs, schema array refs, and Telegram callbacks reject malformed values earlier
• •Provider coverage expanded: Claude Opus 4.8, Fal Krea image schemas, NVIDIA featured models, MiniMax streaming music, encrypted PDF extraction, GitHub Copilot agent runtime, and Codex Supervisor plugin
• •CLI/auth/doctor paths fail faster with clearer recovery: malformed numeric/version options rejected, workspace dotenv credentials ignored, OAuth/token lifetimes bounded, auth health labels clarified, legacy api_key profiles migrated
• •Plugin and Gateway hot paths optimized: reduced repeated work while preserving cache correctness for install records, config parsing, tool search catalogs, session stores, and manifest rows
• •Release/QA/E2E validation improved: bounded log/artifact/harness waits prevent hanging tests and false-green results across cross-OS environments
• •New features: agent coordination tools in Workboard, policy comparison/conformance checks, reply payload sending hook for plugins, GitHub Copilot externalized as install-on-demand plugin
• •Documentation expanded: Codex computer-use setup, paste-token stdin auth, macOS gateway sleep troubleshooting, native Codex hook relay recovery, container model auth, and CLI setup flow compatibility

Workflow Diagram

Concepts