I'd prefer to ask this before reporting it as an issue in discord but the invite link is invalid.

I have Industrial Foregoing which needs TeslaCoreLib. They advised that their machines take speed/energy upgrades which are items from TeslaCoreLib, yet JEI shows only one item for me: the wrench.

I'm using tesla-core-lib-1.12.2-1.0.17.jar. Is there anything I could be missing or misunderstanding?

1.12.2 (modded) forge-14.23.5.2847

I'm having the same issue, any solution yet?

Okay, it's a configuration problem, just change some configurations of the mod and the upgrades will appear

yeah... TLC items (except the wrench) should only appear if they are "turned on" by any mod... if they are not used they are not even registered I think...