When in the material editor Hide Unused Nodeslots is checked, a new Corona color correct node doesn’t show the output handle.
See attached.
3DS Max 2025, Corona 12 Update 2.
Unfortunately this is side effect of multiple inputs/outputs feature. AFAIK devs said they can’t do much about it, since it’s limitation of Max slate editor.
Oh ok. Thanks.
Since I posted this I realized that clicking on the “-” brings it back. So it’s not terrible really.
You can also select a node and press the H key.