Delete revisions older than x

Had this plugin for ages now and it’s a must have for me.

One thing I find missing is an option to delete just old revisions.

For example, I’m keeping 5 revisions, and it’s a post I haven’t updated in a while. If those revisions are older than 6 months, they can be safely deleted (keeping ones less than six months on this and other posts). Is this possible either now or for a future version?

I know I can change my revisions to zero to delete all of them, just wondering if there’s a half way house?

Many thanks

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