Added
- Save Robux: save on catalog purchases by routing them through a group game, with donate mode to support RoPlus
- Friend flairs: tag friends with custom colors and labels, shown on carousels and friend cards
- Server queue display: full servers show "Join (X in queue)" on the join button
- Real ping measurement in the server browser
- Server shutdown button for game owners in the server browser
- Pins last joined server to the front of the server grid
- Home page section controls: Today's Picks, Standout Games, and Sponsored each have Default / Lower / Disabled options
- "Hide Most Played" toggle for the home page
- Review sub-ratings (Gameplay, Creativity, Polish) and developer replies on game reviews
- Sales count shown on catalog item detail pages
- Verified badge across all user displays (friend cards, carousels, profiles)
- Avatar Sandbox: renderer mode picker (Live / 3D / 2D)
- Avatar Sandbox: enable/disable individual items without removing them
- Avatar Sandbox: browse other users' inventories
- Avatar Sandbox: FACS dynamic head animation and eyebrow support
- Avatar Sandbox: makeup rendering
- Avatar Sandbox: outfit rename and thumbnail previews
- Avatar Sandbox: buy button with ownership tracking
- Avatar Sandbox: download character model as RBXMX
- Avatar Sandbox: particle effects on accessories and body parts
- Avatar Sandbox: gear sub-parts, tool animations, and reflections
- Asset Explorer property panel overhaul with category grouping, enum names, color swatches, and CFrame decomposition
- Data export and import for settings and playtime backup
- "Don't show again" option for extension conflict warning

Changed
- Monochrome design
- Unified all modals to Roblox Foundation design system
- Redesigned game reviews UI
- Avatar rendering accuracy improvements (lighting, PBR, textures)
- Pan and simultaneous zoom in avatar viewers
- Updated quick settings and options page

Fixed
- Firefox cookie auth causing 401 errors
- Rejoin server failing due to race conditions and wrong session detection
- QuickSearch infinite loop that freezes the page
- Settings sync overwriting local enabled toggle
- Sidebar items appearing at the bottom on Roblox's new sidebar
- Home page section ordering and Standout Games placement
- "Unknown Game" persisting permanently in playtime data
- Server browser progress bar and location badges not updating correctly
- RoPro import modal

Added
- Hide Terminated Friends - automatically hides deleted/terminated accounts from the friends carousel on profile pages (on by default, toggleable in Profile Page settings)
- Games now appear above players in Quick Search results
- "Hide Standout Games" toggle - hide the curated Standout Games section from the home page (works at both API and DOM level)
- New toggles for previously always-on features: Random Server Button, Rejoin Button, Playtime Display, Updates History, Badge Enhancer, Private Servers Toggle (Game Page)
- Sidebar link customizer - add, remove, and reorder Stats/Themes/Sandbox links in the left sidebar (Navigation settings, supports both old and new sidebar)
- Pinnable settings - pin up to 6 boolean toggles from the options page into the popup for quick access
- Pin icon appears on hover next to any toggle in the options page; pinned settings persist locally
- Popup pinned grid: full-width toggle rows that update settings instantly

Fixed
- Playtime data being permanently wiped on logout or account switch - user data is now stored per-account and never deleted automatically
- Active game sessions not being finalized before account switch, causing in-progress playtime to be lost
- Catalog hover preview: single click now navigates to item (was requiring double-click); scroll-zoom no longer hides the preview; right-click panning works reliably
- Catalog hover preview not showing accessory items when user already has 10 accessories equipped - now evicts the last base accessory to make room

Changed
- BinaryReader: rewrote as DataView wrapper with camelCase API and bounds checking
- RbxmParser: replaced monolithic switch with Map-based decoder registry
- MeshParser: extracted shared helpers per format era (text, binary, chunked)
- AnimationParser: Shepperd's method for quaternion conversion, named lookup tables
- DracoParser: class-based EntropyDecoder/BitAccumulator architecture
- Animator: flat easing function registry, typed PlaybackState interface
- AssetCache: generic LRU cache with TTL eviction and in-flight deduplication
- AvatarAsset: Map-based dispatch table for asset type handlers
- Avatar: renamed all internal methods and fields, section-based code organization
- RigBuilder: SkeletonCache class with factory functions and hardcoded fallback skeletons
- Composites: removed legacy dirty flag naming
- avatarConstants/avatarScaleConstants: reorganized exports and added utility functions