RFR: 7921: Create 8.3 release notes [v3]

Tue Oct 11 08:47:30 UTC 2022

On Tue, 11 Oct 2022 01:03:06 GMT, Marcus Hirt <hirt at openjdk.org> wrote:

>> The fixed issue count my get higher in the end, but I think that's ok.
>
> Marcus Hirt has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Removing superflous image

Marked as reviewed by jpbempel (Committer).

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PR: https://git.openjdk.org/jmc/pull/437