March 01, 2021 Patch

{{Patch layout
 * source      = https://steamcommunity.com/games/portal2/announcements/detail/3030330956958940088
 * source-title = Portal 2 - Update
 * before      = {{patch name|february|18|2021}}
 * day         = 01
 * month       = march
 * year        = 2021
 * after       = {{patch name|march|02|2021}}
 * notes       = === Portal 2 ===

Improvements

 * Improved Vulkan implementation
 * Overall performance improvements
 * Massively improved performance with Anti-Aliasing (MSAA) on AMD
 * Made the intro video skippable by any button on a Steam Controller
 * Added controller glpyhs to the main menu when using a controller

Bug Fixes
}}
 * Fixed the Super 8 teaser not playing on Linux
 * Fixed certain Unicode characters being displayed as garbage on Linux
 * Fixed text corruption in the challenge mode UI on Linux
 * Fixed a crash that could occur wrt. networking on Linux
 * Fixed the text color in advanced video settings not respecting the dark panel UI variant
 * Fixed Model/Texture detail defaulting to Low in Vulkan mode
 * Fixed the challenge mode timer being cut off
 * Fixed a crash after trying to play a demo without having the respective map
 * Fixed a crash when trying to load invalid VPKs