On Thu, 26 Jan 2023 09:54:25 GMT, Florian Kirmaier <fkirma...@openjdk.org> 
wrote:

>> After thinking about this issue for some time, I've now got a solution.
>> I know put the scene in the state it is, before is was shown, when the 
>> dirtyNodes are unset, the whole scene is basically considered dirty. 
>> This has the drawback of rerendering, whenever a window is "reshown", but it 
>> restores sanity about memory behaviour, which should be considered more 
>> important.
>
> Florian Kirmaier has updated the pull request with a new target base due to a 
> merge or a rebase. The pull request now contains eight commits:
> 
>  - JDK-8269907
>    Added missing changes after merge
>  - Merge remote-tracking branch 'origjfx/master' into 
> JDK-8269907-dirty-and-removed
>    
>    # Conflicts:
>    #  modules/javafx.graphics/src/main/java/com/sun/javafx/tk/Toolkit.java
>    #  modules/javafx.graphics/src/main/java/javafx/scene/Scene.java
>  - Merge remote-tracking branch 'origin/master'
>  - JDK-8269907
>    Removed the sync methods for the scene, because they don't work when peer 
> is null, and they are not necessary.
>  - JDK-8269907
>    Fixed rare bug, causing bounds to be out of sync.
>  - JDK-8269907
>    We now require the rendering lock when cleaning up dirty nodes. To do so, 
> we moved some code required for snapshot into a reusable method.
>  - JDK-8269907
>    The bug is now fixed in a new way. Toolkit now supports registering 
> CleanupListeners, which can clean up the dirty nodes, avoiding memoryleaks.
>  - JDK-8269907
>    Fixing dirty nodes and parent removed, when a window is no longer showing. 
>  This typically happens with context menus.

I've just merged with master again.
It would be great if this could be reviewed at some time.

-------------

PR: https://git.openjdk.org/jfx/pull/584

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