RFR: 8316135: Create release notes for JavaFX 21 [v2]

Wed Sep 13 00:12:43 UTC 2023

On Tue, 12 Sep 2023 22:42:10 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> Release notes for JavaFX 21, including four important changes, and the list of enhancements and bugs fixed in this release.
>> 
>> I plan to integrate this on Monday, Sep 18th, and backport it to `jfx21` in time for Tuesday's release of JavaFX 21.
>
> Kevin Rushforth has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add missing bugs JDK-8305885 and JDK-8304290

doc-files/release-notes-21.md line 139:

> 137: [JDK-8299977](https://bugs.openjdk.org/browse/JDK-8299977)|Update WebKit to 615.1|web
> 138: [JDK-8301009](https://bugs.openjdk.org/browse/JDK-8301009)|Update libxml2 to 2.10.3|web
> 139: [JDK-8306115](https://bugs.openjdk.org/browse/JDK-8306115)|Update libxml2 to 2.10.4|web

Do we really need the upgrade to 2.10.3 in the release notes if the release includes 2.10.4?

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PR Review Comment: https://git.openjdk.org/jfx/pull/1239#discussion_r1323783309