Pinned comments and +1 comment reduction

[azenMatt]

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Feedback on the changelog for pinned comments and +1 reactions.

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• I have read the above statement and can confirm my post is relevant to the GitHub feature areas Issues and/or Projects.

[P-r-e-m-i-u-m]

Use reactions (👍) instead of "+1" to save everyone a notification. Pin the best answer to the top so people don't have to hunt for it. It keeps the thread clean and actually helpful.