Layer Search & Filter

[MorrowShore]

A search function that can search among the layers and filter them according to their parameters or attributes.

Source: https://www.youtube.com/watch?v=szxDoCHvERI&t=85s

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This relevant color tagging feature can be found here:
#1383

[askmeaboutlo0m]

The key frame properties now have a search like this.

A similar implementation could be used for the regular layer list, the problem being mainly where to put the search. Can't really add a persistent search bar to the layers dock the same way, since space in such an important place is at a premium.