RFR: 8293615: Create release notes for JavaFX 19 [v2]

[Kevin Rushforth]

On Mon, 12 Sep 2022 12:16:00 GMT, John Hendrikx <jhendrikx at openjdk.org> wrote:

>> Johan Vos has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove 2 noreg-cleanup marked issues from the list
>
> doc-files/release-notes-19.md line 23:
> 
>> 21: Issue key|Summary|Subcomponent
>> 22: ---------|-------|------------
>> 23: [JDK-8290331](https://bugs.openjdk.java.net/browse/JDK-8290331)|Binding value left null when immediately revalidated in invalidation listener|base
> 
> Should this be included? It was basically introduced in 19 and fixed in 19 (introduced by [JDK-8274771](https://bugs.openjdk.java.net/browse/JDK-8274771)|Map, FlatMap and OrElse fluent bindings for ObservableValue|base)

That's a fair question. We generally have included these sort of bug fixes, although I realize that they are only relevant for those developers who picked up an early access build that had the bug.

> doc-files/release-notes-19.md line 24:
> 
>> 22: ---------|-------|------------
>> 23: [JDK-8290331](https://bugs.openjdk.java.net/browse/JDK-8290331)|Binding value left null when immediately revalidated in invalidation listener|base
>> 24: [JDK-8290393](https://bugs.openjdk.java.net/browse/JDK-8290393)|Code sample in javadoc of ObservableValue flatMap is incorrect|base
> 
> Same for this one, introduced in 19 and fixed in 19.

Hmm. This one especially seems not useful to mention in the release notes. @johanvos can decide whether or not to include it.

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PR: https://git.openjdk.org/jfx/pull/896