As it says in the title, updated the client and server to 0.4.2 and now Farmer Bees can't harvest any crops because they can't "right click" the crops, and neither can I. Also Mystical Agriculture seeds don't grow in Immersive Engineering cloches anymore. I had a uranium farm to fuel my reactor that was working until this update, now JEI shows that no Mystical Agriculture seeds work with the cloches.

Thermal cultivation and croptopia crops can be harvested by right clicking. Maybe the addition of thermal cultivation caused an issue?

it sound like your update didn't happen properly.... right clicking is a custom script... and MA seeds working in cloche are custom recipes added. These are all in the kubejs folder

I have this issue as well.

I also have this issue.

I updated my server by following the 0.4.2 readme in a new folder, letting everything generate then deleting the world folder and copying over my old one.

Edit: Works in single player so something with the 0.4.2 server version.

This was because I followed the server readme a bit too literally:

Copy the "config" and "mods" folders into the folder where you installed Forge.

I neglected to add the kubejs folder.

I'd add to that, that the devs should probably update the description! This has happened many times as we can see and it'd be great if we could avoid future issues.

updating to 0.4.3 seems to have fixed the issue