As we know fresh new update might gets some bugs here and there so you shouldn't worry about it the next update will bring stability and pixel problem will get solved so you should wait and if next update can not solve this then you should visit nearby Samsung service center.
We acknowledge your query and request you kindly share the log file. Without a log file we cannot analyze this issue, Also share video clips and images for better understanding and report this issue with the log file. This will help us to further investigate and resolve this issue.
To attach the log file: Samsung member > Click on beta banner > Switch to beta mode > Beta feedback > Send feedback > Error report.
Note: To ensure relevant log information is included in the error report, submit the report within 3 minutes of encountering the bug or error, and do not terminate (swipe away) the Samsung Members application until you are notified that the report has been sent. This can take up to 5 minutes.
