@MojangSupport updated to 1.19.20 on Nintendo Switch and there may be an issue with wandering trader lamas, they seem to flicker between the normal colour palette and a red and green mix. The wandering trader itself seems fine.
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Replying to @wowkamui
Please visit our bug report site to see if the problem has already been reported: bugs.mojang.com. You can upvote if the issue hasn't been resolved. If you think you've found a new bug, visit our help site here on how to submit a report! aka.ms/MCBugTrackerHelp ^TK

Aug 10, 2022 · 7:10 PM UTC

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Replying to @MojangSupport
Thank you, this issue is already being tracked, I hope it will be resolved soon because its quite a distracting issue bugs.mojang.com/browse/MCPE-…