you download the corresponding depots using the console / steamcmd. Here's the process using the console.
Most tutorials I can find involve enabling the steam cli, then using steamdb to look up the “depots” of previous versions and downloading the old update in chunks, then unpacking and copying the old game files to your install location. Not exactly convenient.
How can you even downgrade on steam?
you download the corresponding depots using the console / steamcmd. Here's the process using the console.
Most tutorials I can find involve enabling the steam cli, then using steamdb to look up the “depots” of previous versions and downloading the old update in chunks, then unpacking and copying the old game files to your install location. Not exactly convenient.