There just is no telling, because development on wcs is basically dead it could even be a month before someone fixes it. Also it could just magically work. Currently SM and MM are being reprogrammed for the update and I assume that eventscripts is doing the same. It is then up to the individual mod developers if the mods are compatible or not. Technically everything should still work as long as they do not take things out but only add but this is valve and so it should be expected that this update just like previous major updates will break the game completely. Basically what they are doing this time is giving everyone a free upgrade to CS:S 2 which is a totally different game. This is why all the mods and shit is going to be broken.