Valve stiffed speedrunners by adding an invisible wall in its Half-Life 2 tuneup, so now it's fixed the fix and says 'enjoy'

The 20th anniversary of Half-Life 2 saw Valve release a major surprise update for the PC gaming hall-of-famer (as well as an excellent two hour documentary). It integrated Episodes 1 and 2 with the base game (so you can now play through the entire experience seamlessly), added a new commentary track from the old gang, and for the coup de grace every location was given a glow-up: "Every map in Half-Life 2 has been looked over by Valve level designers to fix longstanding bugs, restore content and features lost to time, and improve the quality of a few things like lightmap resolution and fog."..
Read more.