That's true. It is outrageous (like you said) that there is no czech and french dubbings in OW steam version. I asked Bohemia more informations.Boehmia Interactive
I am in contact with Stu regarding the dubbing.
Thank you for your interest in the game.
I hope Stucuk and Bohemia will find a way to relase the other languages.
Maybe release a sort of DLC, and the problem would be solved
Well they are meant to be adding dubbings (I am guessing Czech and Polish since they should have them). They asked me which files contain the dubbings and i told them. I however don't know when they will be on steam. The last i heard the patch anyway was meant to be uploaded to steam on Monday (the 3rd), but i don't know if valve has to look at them and approve them before its released on steam.
As i don't have direct control over the steam release i can't give any actual dates.
The way Bohemia say they can do dubbings is where you would have to select Czech/etc in steam, and steam would then download the dubbings overwriting the default ones.