s&box

Out of bounds detection and clipping
Prop damage safety, balance and network expense
Cleaner input key titles in keybinds
User settings page visual and behavioral tweaks
Numerous cosmetic weapon-related effects are safer, more efficient and less prone to causing network churn
Disconnect message is more clear when a player is votekicked or auto-kicked for low karma
corpse ragdoll performance, behavior & responsiveness
Volume mixers and internal sound pathing, in anticipation of a larger audio overhaul

Dedicated server host can trigger player logic
Rare crash from invalid player directional/animation data
guard related magneto stick, movement and animation inputs
Guard an assortment of rare NREs from cosmetic effects
Haste mode no longer increments twice from one death
Certain exploits, including a number of spam-dropping & damage vulnerabilities
Body armor no longer protects against jihad explosion
After last week's explosion refactor, explosions stopped hitting players twice. We doubled the jihad's range to match its prior effectiveness
...and many more!

Performance
Physics
Joining load times
Map transition load times
Round reset and cleanup behavior
Servers not displaying map correctly or incorrect map
UI hints for Traitor/Detective controls (e.g. team chat, shop) and general tooltip visibility
Moderation tools
Server settings config
Incendiary grenades: OG damage values, small performance gains
More work on out-of-bounds logic
Water and air movement
Grenade physics (WIP, just a small touch here)

Ping display (s&box)
While dead, hovering over role icons doesn't work
Rare poorly-timed joins can join the wrong map or experience desync if the host changes maps a few seconds afterwards
Explosion behavior needs improvement and rework
Create Lobby settings page needs further polish (Scroll to view all of the settings)
Features on certain maps being broken or missing (e.g. the Nether portal). Working on it ASAP!

Added server/lobby info tab to the pause menu
Added confirm button for disconnect and quit to s&box actions in the pause menu
Full servers/lobbies will display in the in-game lobby list (This does not impact the s&box native menus)
Dedicated servers are distinct in the lobby list
Lobbies and servers now display ping
Scoreboard now displays the lobby/server name and current map
Spectators can inspect corpses
Added server/lobby info tab to the pause menu
Added confirm button for disconnect and quit to s&box actions in the pause menu

Many fixes, performance improvements, and polish improvements across numerous maps
Stuck logic is no longer able to force you into a non-grounded area, which could result in falling out of the map
C4 radius is appropriately adjusted based on the timer
Fixed shotgun infinite reload issue
Fixed team voice chat displaying globally for a split second
Karma no longer triggers on self-inflicted deaths of any kind
Buy menu sorting cookies now save correctly
Resolve /votekick correctly
AFK not unset correctly on map switch