When chunk borders are shown via F3+G, redstone dust becomes hidden or appears&disappears quickly, even when the game is paused. Rotating the camera may switch between these two states. When twinkling, using /tick freeze makes it either stay hidden or stay visible; using /tick step may keep it hidden, or make it appear once then immediately hide again, or hide once then immediately reappear.
Steps to reproduce, and some phenomena:
1. Create a new world. Press F3+G , switch to hide chunk borders .
2.Place a redstone dust.
At this point, the redstone dust displays normally.
3.Press F3+G to show chunk borders.
The redstone dust now becomes hidden or starts twinkling.
4.Rotate the camera a few times.
Sometimes the dust twinkles, sometimes it stays hidden. When the viewing angle is fixed, the twinkling/hidden state generally remains unchanged.
5.Press ESC to pause the game.
Sometimes the dust twinkles, sometimes it stays hidden. The state generally remains unchanged.
6.Use /tick freeze to freeze the game.
The redstone dust stays hidden or stays visible.
Use /tick step to step one (game)tick.
The dust either stays hidden, or appears once then immediately hides, or hides once then immediately reappears.
Expected result: After showing chunk borders, the redstone dust should always display normally, regardless of rotating the camera, pausing the game, freezing the game, or stepping the (game)tick.
Actual result: The redstone dust twinkles rapidly or becomes hidden. This persists even when the game is paused. After entering /tick freeze, the dust stays hidden or stays visible. After /tick step, the dust either remains hidden, or appears once then immediately hides, or hides once then immediately reappears.
Affected versions: 1.21.11, 26.1, 26.1.1 . 1.21.10 isn‘t.
I searched for keywords “redstone dust” and “红石粉”. In the last 6 months, only one bug was found, which was about a redstone torch (seems WAI). My browser can’t translate the description after it, so due to my limited English skill, I didn’t found bugs which similar with this. If it is a duplicate, I hope my description can still provide some help.
An error occurred when uploading an attachment. I may try reuploading the video later.
Wish a good day.
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Update: the bug also exist on water block. When "Video Setting"-"Improved Transparency"is on, the bug disappears.
There are 2 videos on the link 【MC-307240附件视频】_哔哩哔哩bilibili_我的世界. The previous link disappear for no log, so
There are 2 videos on the link 【MC-307240附件视频】_哔哩哔哩bilibili_我的世界(one of them is new uploaded). The previous link disappeared with no log, so I’m sending up again.
链接【MC-307240附件视频】_哔哩哔哩bilibili_我的世界 里有2个视频（其中一个是新上传的）。之前给的链接消失但没有日志，所以我重新提交一下。
Hi!
Thank you for your report!
However, this issue is Invalid.
Your game, launcher or server is modified.
If you can reproduce the issue in a vanilla environment, please recreate the issue.
Any non-standard client/server/launcher build needs to be taken up with the appropriate team, not Mojang.
A world which had previously been opened with a modified client might be corrupted. Please try reproducing the issue in a newly generated world.
Quick Links:
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Update: when “Show Bounding Box” in a structure block is on, the bug appears as well.
Update: the bug also exist on glasses, string.