Lumix 10 bit 422 support
Thanks to yesterday's v.22 update, my 10bit footage project has been performing gradually worse, and is now on its knees with no display at all. After re-sizing the timeline panel, I am left looking at this.
Even the PNG images won't display at all

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Eric – I recommend clearing your media cache and checking the system compatibility report for GPU driver issues.
System compatibility report:
https://helpx.adobe.com/premiere-pro/using/system-compatibility-report.htmlOther Troubleshooting steps:
https://helpx.adobe.com/premiere-pro/kb/troubleshoot_playback_performance.html
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Eric Malcolm commented
It is also making a complete mess of my 3rd party 'NewBlue' video plugins when rendering. Speaking of rendering; it's not connecting with Media Encoder so I have to do an internal render and it is taking 10 times longer to make a screwed up rendition of my 6Mbps drafts.