Yes, you need and you need to plan it as a part of the sprint/milestone/etc.
A developer is not supposed to do (or at least isn't paid for doing) anything outside a task.
In my honest opinion, it is a bad practice from evolution/growth perspective.
Not neccessarily if a developer can create additional tasks without too much bureaucratic overhead.
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Yes, you need and you need to plan it as a part of the sprint/milestone/etc.
In my honest opinion, it is a bad practice from evolution/growth perspective.
Not neccessarily if a developer can create additional tasks without too much bureaucratic overhead.