Xevyr
3
Oh you mean the ingame mod-list, I was looking for it in the launcher
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Yea that’s meant to signal whether the mod was made with the latest devkit or not, however it does not appear to be accurate at all.
Here’s an example:

Both of these mods have been updated today and recompiled with the Devkit for 3.0, however the game lists one of them with a checkmark one without, so that information is based on something else (could be some info file inside the mod that needs a manual bump) or the feature is not used as intended.

So basically… I wouldn’t go based off that, but rather check the update date on them and make sure you have the latest version. Even some old ones “might” work that haven’t been updated thou, so it’s best to just back up your save DB if you can and experiment.