This is pretty much standard semantic versioning: https://semver.org/
Maintenance branch releases are for bug fixes; minor releases have new features.
Of course at some level it all depends on judgment, too.

On Fri, Jul 24, 2020 at 1:08 PM venkat_20 <lkarunaka...@gmail.com> wrote:
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> Can you please elaborate why don't backport of features is not allowed?
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