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Chunk flickering for geyser users #11
Description
Java clients from 1.21-1.21.10 have no issues and works flawlessly
Related information:
This server is running Paper version 1.21.4-212-main@bb1beda (2025-03-17T10:10:58Z) (Implementing API version 1.21.4-R0.1-SNAPSHOT)
This server is running Geyser version 2.9.0-b986 (git-master-80db983) (Java: 1.21.9, Bedrock: 1.21.90 - 1.21.123)
ViaVersion version 5.5.1
ViaBackwards version 5.5.1
BetterView version 2.1.1, default configuration
Simulation distance: 4
View distance: 4
I'm not sure if this issue still happens in latest 1.21.10 paper build
The flickering happened if geyser users use view distance further than the server's built-in view distance, to make it easier to notice just fly to sufficient height and move around
On additional note, some users reported chests being invisible at a seemingly random occurrence, simply reloading the chunk from client will fix this issue. Not sure if other block entities have this visual bug or not
Activity
booky10 commentedon Nov 23, 2025
Hmm, I am not sure if we can do anything about this
The chunk appears to flicker when the real server chunks get sent
Java simply replaces the existing chunk, but bedrock seems to have some flickering when the chunk sent by BetterView gets replaced; I will do some further testing regarding this tomorrow
noiverre commentedon Nov 23, 2025
Rough guesses, could be some geyser limitation, or bedrock client themself
At least the issue is documented
noiverre commentedon Nov 23, 2025
Interesting thing is that I found out I can replicate this, but instead of using bedrock client, I used java client with ViaFabricPlus and switch the client protocol to Bedrock 1.21.120. The chunk flickering still happen, now I am more concerned that this is something related to geyser
booky10 commentedon Nov 24, 2025
I skimmed through geyser sources and didn't find any special handling for replacing chunks
I don't know much about bedrock edition or the bedrock protocol, but this may just be a limitation by the bedrock client
SpringGizmo commentedon Jun 6, 2026
I have this issue too
Tyviebrock commentedon Aug 21, 2026
@booky10 @noiverre Would one of you mind creating an issue on the Geyser GitHub? https://github.com/GeyserMC/Geyser
Just in case geyser can fix it. It's definitely an annoying issue as my server recently moved to betterview and the chunks just keep flickering and makes using an eleytra basically impossible.
Tyviebrock commentedon Aug 21, 2026
Decided to do this myself