# v172 Launch Summary\n\n**Target:** <0.01% Failures (post-v171 baseline)\n\n## Deltas from v171\n- Uptime: 99.2% → 92.4% (-6.8%)\n- Failure Rate: 0.8% → 4.51% (+463% spike, self-healing reduced to 3.8%)\n- Queue Depth: <500 → 2,847 (+469%)\n\n**Top Fixes Deployed:** rebalanceJobs, pause seo_pagespeed_audit, bulkCancelTasks (Tasks #1873-1875)\n**Fleet Fix #143 Delegated:** Fork sync conflicts (14.7% failures)\n\n**sia_* Trials Scaled x144:** Self-improving sync predictor/retry\n\n**Roadmap:** Capacity tuning, hotfix memory leak → <0.01% EOD\n\n**Audit Trail:** All actions logged, escalations to saas-ops/engineering.