OpenClaw v2026.3.13: Dashboard v2 Freeze Fix, Mobile UX Overhaul, Docker Timezone

Dashboard v2 shipped on March 13 with v2026.3.12. By that evening, power users were filing bug reports. Sessions with tool-heavy agent runs locked the browser completely. Chrome's "page unresponsive" dialog showed up after 30 seconds of frozen rendering. The v2026.3.13 release landed the next day with the fix. The Dashboard Freeze and What Caused It Every live tool result during an active agent session triggered a full chat.history reload. The frontend fetched the entire conversation and re-rendered it synchronously on the main thread. Run a web research agent with 40+ messages, and each incoming tool result stacked another 200-400ms of blocking. After a few rounds, the tab was dead. Issue #45194, filed March 13, documented users seeing a blank chat pane with an oversized OpenClaw logo despite the backend responding normally. Earlier reports in Issue #44107 had already flagged that sessions with 80+ messages (roughly 156KB) caused Chrome to give up entirely. PR #45541 fixed the core pr