https://wccftech.com/the-witcher-3-gets-1-32-to-1-31-patch-to-re-enable-mods-and-debug-console/

Yesterday, The Witcher 3 received a brand new update which introduced Simplified Chinese Language support. The update, sadly, also broke some mods, but thankfully it’s now possible to roll back to the previous update to make them work again.

Moon and Corvah recently shared on Nexus Mods the 1.32 to 1.31 patch, which re-enables mods and the debug console. After installing the rollback patch, mods that modify files in The Witcher 3 \bin\config have to be re-installed. This patch also only works for the Steam version, as the GOG release has yet to be updated.