Portal 2 – UpdateSteam Store 20 February, 2021An update has been released for Portal 2.Improvements: – Implemented a Vulkan render backend (currently accessible through the -vulkan command line parameter). – Improved compile time for Perpetual Training Initiative puzzles. – Improved advanced video settings descriptions. – Made the game Hi-DPI aware. – Smarter default video settings. – Improved resolution of player avatars throughout the game. – Players can now be invited to play co-op on controller. – Button text contrast and padding has been improved when using a controller. – Implemented a 360° Spin action. – The portalgun is now correctly affected by dynamic lights (projected textures) in the scene. – Improved client-side prediction for coop play. – Added the ability for workshop levels to pack particles into their map with a particles/map_manifest.txt – Misc. rendering optimizations. – Added an icon to the game on Linux. – Removed the “Trading Coming Soon” button.Bug Fixes: – Fixed a crash on startup that could happen on Linux. – Fixed a crash that could occur in some community test chambers using BEEMod on Linux. – Fixed the credits being corrupted on Linux. – Fixed the intro videos for acts 2 and 3 not playing on Linux. – Fixed the game starting in the top left corner of the screen on Linux. – Fixed a crash in the PeTI if you placed a light strip above a laser catcher on the floor and linked it to a fizzler. – Fixed the fizzler not playing the retract animation when turned off in new PeTI maps. – Fixed being able to copy ‘uncopyable’ items in the PeTI leading to invalid/broken levels. – Fixed some items in PeTI not maintaining their portalability state when expanding the chamber boundaries. – Fixed a crash if PeTI avatars could not be retrieved. – Fixed Cave Johnson’s lines not progressing when playing queued workshop levels. – Fixed a memory leak that could occur when changing levels. – Fixed a bug where you could no longer ping/taunt via mouse/keyboard if you have ever used a controller. – Fixed the ping menu being visible when quick pinging on controller. – Fixed the game instructor not respecting input types for respective players in split-screen mode. – Fixed rumble not being respected for respective players in split-screen mode. – Fixed the wrong avatar being used if playing coop after playing a workshop level. – Fixed the OnFiredPortal2 output not firing. – Fixed some text being duplicated on the screen multiple times.