[DevExpress Support Team: CLONED FROM T541324: Several issues with dock panels virtual splitter]
I used you DoclingMegaDemo and added the Metropolis skin.
The recorded video shows 4 issues
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Issues 2.-4. are independent from skins, but also appear with vertical splitters!
P.S. Sorry for putting several issue into one ticket.
We have fixed the issue described in this ticket and will include the fix in our next maintenance update. To apply this solution before the official update, request a hotfix by clicking the corresponding link for product versions you require.
Note: Hotfixes may be unavailable for beta versions and updates that are about to be released.
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Thanks. I have reproduced this behavior with our demo project and forwarded this ticket to our develpers for research.