In 2022.2 with the latest TMP…
Copying Material properties and creating Material Presets via the editor Right click (context menu) of Materials is broken.
The states of Underlay, Lighting and Glow (conditionals) are lost, and revert to always OFF.
There seems to be no way around this.
Further to this:
Creating a Material Variant of a TMP Object, in a second object…
Adjusting the Outline Colour and Thickness on the Parent propagates correctly to the Child (variant).
Then simply attempting to open the colour property of Face causes Unity to become completely unresponsive. MacOS Ventura, m2. And this never resolves, requires a Force Quit of Unity.
Further…
HDR colours, when an editor is opened to edit them, are borked for RGB and HSV in terms of intensity.
Somehow it’s misreported in the colour editor, as being MUCH higher than it actually is, so any immediate edits of the colour cause this hugely inaccurate excess brightness to be added to the colour.