How many times have you accidentally hit the 1 or 2 key in object mode and watched as your collections disappeared? And then you start clicking through things trying to figure out which collection it was and which objects were visible in that collection and which ones you had hidden?
This interface is a holdover from the pre 2.8 version of Blender. Not many people still use it yet it occupies a very prominent place in Blender's user experience. And, it creates all sorts of problems as we also use the 1, 2 and 3 keys to toggle between vertex edge and face mode when in edit mode.
So this under 2 minute video shows a quick fix on how to disable this feature. Hope it helps you.
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2021-05-24 17:55:14 +0000 UTCMark Saunders
2021-05-24 15:16:01 +0000 UTC