Brasil Paralelo source — Brazilian news with RSS feed and source tier (#260)
AIS relay optimization — backpressure queue with configurable watermarks, spatial indexing for chokepoint detection (O(chokepoints) vs O(chokepoints × vessels)), pre-serialized + pre-gzipped snapshot cache eliminating per-request JSON.stringify + gzip CPU (#266)
Vietnam flag country code — corrected flag emoji in language selector (#245)
Sentry noise filters — added patterns for SW FetchEvent, PostHog ingest; enabled SW POST method for PostHog analytics (#246)
Service Worker same-origin routing — restricted SW route patterns to same-origin only, preventing cross-origin fetch interception (#247, #251)
2.5.2 2026-02-21
Fixed
QuotaExceededError handling — detect storage quota exhaustion and stop further writes to localStorage/IndexedDB instead of silently failing; shared markStorageQuotaExceeded() flag across persistent-cache and utility storage
deck.gl null.getProjection crash — wrap setProps() calls in try/catch to survive map mid-teardown races in debounced/RAF callbacks
MapLibre "Style is not done loading" — guard setFilter() in mousemove/mouseout handlers during theme switches
YouTube invalid video ID — validate video ID format (/^[\w-]{10,12}$/) before passing to IFrame Player constructor
Vercel build skip on empty SHA — guard ignoreCommand against unset VERCEL_GIT_PREVIOUS_SHA (first deploy, force deploy) which caused git diff to fail and cancel builds
