: HLDM (Half-Life Deathmatch) weapons began using client-side prediction, making the shooting feel much more responsive on the high-latency connections of the early 2000s.

“You must upgrade Half-Life to version 1.1.0.8 and Counter-Strike to version 1.3... you cannot join servers that have yet to upgrade to the new versions.” Planet Half-Life

“WON versions up to 1.1.0.8 don't have the bunnyhop speed cap, but they also don't allow the player to exceed the 100fps limit...” SourceRuns Wiki

In the world of speedrunning, version 1.1.0.8 is highly sought after because it is one of the last versions that . Later versions, such as 1.1.1.0, introduced a cap that slowed players down if they gained too much momentum, effectively "nerfing" one of the game's most iconic movement glitches. Legacy and Compatibility