Very strange - seem to be having very poor performance issues with 1.18 pre-1 when it auto saves (and some of the most recent snapshots).
FPS reads fairly healthy in debug screen but I start to experience severe lag spikes / jerk movements, and in some cases, the game crashes. Even on modest render distances such as 16 chunks and a simulation distance of 5 on the fast graphic setting and 50% entity distance. I think I've noticed when the game autosaves, I then experience the spikes... seems to be related (but maybe more generally as well)
I normally play 1.17 on 28 render distance no issue's with fancy graphics, so something is definitely going on with 1.18. I would go as far as saying it's unplayable on my machine which is by no means a bad CPU and G card (pics attached).
Vid showcasing the poor performance on very average render distances: https://drive.google.com/file/d/12NtmE71YaCDfI3WHlxpTl_pzbrLXWBBA/view?usp=sharing
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Thank you for your report!
However, this issue is Invalid.
Performance drops are expected to happen between versions, especially in snapshots. Simply stating that "My game is laggier" is not helpful for Mojang to diagnose your issue. If you can pinpoint a specific cause when lag happens for you, please open a new report for that specific issue. If you think this might be a hardware issue please contact Community Support as they might be able to help with your issue.
Keep in mind that Mojang is constantly optimizing the game and simply playing the game provides feedback to Mojang on which parts cause performance issues. To learn more about this, head here (section "Telemetry") for more information.
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@Anthony Cicinelli Thank you for your comment but I am not satisfied with your response as I did not say the words "My game is laggier". I have clearly tried to provide as much as I can, hence the video. I am fully able to cooperate if you need me to take further actions.
If you see the video attached, this is what I experience on a consistent basis, so there is no specific scenario needed. It's simply a big performance issue, and a considerable performance drop, so I would argue this is a legitimate bug given the fact I can reproduce this specific bug. Note I am a veteran Minecraft player who has played the game since alpha, and this is my first ever bug report - that should hopefully indicate my intent on this issue.
As mentioned regarding hardware, my spec as attached which should be fairly normal hardware.
Thanks again for your time.
Have done some more testing and can confirm the issue seems to be when the game autosaves. I get the rapid FPS drop (and crash) when I see the auto save indicator at the bottom right corner of the screen
Then this is a duplicate of MC-239474.
Thank you for your report!
We're tracking this issue in MC-239474, so this ticket is being resolved and linked as a duplicate.
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Happy to provide a more thorough video if needed. Hopefully, the video and screenshots will suffice. Will respond quickly if needed