Extension Version LOCK notes

[VSCodeTriageBot]

Type: Feature Request

Hi,

Sometimes, one needs to use (switch to) an older version of an extension, for compatibility purposes.

CURRENTLY:
When switching to an earlier version of an extension, the "blue Update" button appears at the extension row in list of installed exts. Also, there is a "1" that subscripts the Extensions icon in the left vertical menu bar, seems to suggest that a version of an extension is obsolete (or there is a newer version available that could/should be beneficial...)

PROPOSED:
When a user rolls back to a previous version of an extension, they could LOCK to that version and add a note to explain why they decided to not use the latest version. This way, weeks down the road and while cleaning up extensions, said user would NOT click "Update" without reading the note before unlocking the LOCKed-Version.

I came across the problem, seeing the "UPDATE" button that (to me) suggested that I was lagging in (security, functionality, ...) and so I clicked Update. Later experienced unwanted (compatibility, os, ...) side-effects and I couldn't shake the reason for sudden problem. I clicked the "UPDATE" button, and I didn't have breadcrumbs/notes as to WHY I had been (intentionally) running an older version, which for reason1,2,3 shouldn't be updated (until this or that task is done, such as OS update to latest...)

VS Code version: Code 1.90.2 (Universal) (5437499feb04f7a586f677b155b039bc2b3669eb, 2024-06-18T22:37:41.291Z)
OS version: Darwin x64 19.6.0
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