According to a post from EFT Items  Battlestate Games on twitter, shake Tarkov will receive a replacement update.

0.12.4.6440 on Annunciation , 2020. The new update is predicted to be finished in two hours, during this point the sport are going to be not available. 

Here may be a preview of the www.lolga.com  0.12.4.6440 early patch notes to allow you to know what to expect.