• Feat: Add Repository model with list/create API; link to Release and Issue models; add GET /issues/{id}/commits/ endpoint
  
• Feat: Convert webhook alert notifications from synchronous to async for improved reliability
  
• Feat: Add optional MAINTENANCE_DATABASE_URL for elevated DDL connections
  
• Fix: Annual Stripe subscription billing cycle was reset to month 1 on every nightly sync
  
• Fix: Annual billing cycle boundaries now anchored to period_start to prevent date drift on month-end subscription dates
  
• Fix: Search issues and event detail endpoints now fall back to sentry SDK event_id
  
• Fix: Use DETACH PARTITION CONCURRENTLY to avoid partition management deadlocks
  
• Fix: Split performance V3 migration to avoid exceeding max_locks_per_transaction
  
• Fix: Double slash in base href when BASE_PATH is set
  
• Fix: Accept trailing slash on internal health endpoint
  
• Fix: Resolve native debug symbols by address without requiring a function name match
  
• Perf: Denormalize latest_is_up and last_change onto uptime Monitor to reduce query load
  
• Improved stability for experimental features not yet enabled by default (cold storage, MCP server)