Half-Life 2's anniversary update broke a simple speedrunning strat that was in use for 20 years, so Valve has now fixed the 'fix' in a new patch
You don't need to look further than the recent Half-Life 2 20th anniversary update for proof, as Valve added a fix to the two ...
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The History of the Half-Life Game Series From 1998 to 2020
This feature article looks back on the history of the Half-Life game series from the founding of Valve up to the 2020.