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MC-306877 Minecraft Freezes and lags my whole PC until restarting it. Invalid MC-302287 Menu background blur option being ON tanks fps whilst IN menu. Duplicate MC-302121 Menu background blur significantly degrades performance on some systems Invalid

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this game has become borderline unplayable

I’m also using a NVIDIA

NVIDIA system information report created on: 03/14/2026 14:22:12
NVIDIA App version: 11.0.6.383
Operating system: Microsoft Windows 11 Home, Version 10.0.26200
DirectX runtime version: DirectX 12
Driver: Game Ready Driver - 595.79 - Tue Mar 10, 2026
CPU: 12th Gen Intel(R) Core(TM) i5-12400F
RAM: 12.0 GB
Storage: SSD - 953.9 GB

Graphics card
GPU: NVIDIA GeForce GTX 1650
Direct3D feature level: 12_1
CUDA cores: 896
Graphics clock: 1665 MHz
Resizable BAR: No
Memory data rate: 8.00 Gbps
Memory interface: 128-bit
Memory bandwidth: 128.032 GB/s
Total available graphics memory: 10162 MB
System video memory: N/A
Shared system memory: 6066 MB
Dedicated video memory: 4096 MB GDDR5
Video BIOS version: 90.17.3d.00.46
Device ID: 10DE 1F82 A548174B
Part number: G174 0000
IRQ: Not used
Bus: PCI Express x16 Gen3

Display (1): Asustek Computer Inc VG248
Resolution: 1920 x 1080 (recommended)
Refresh rate: 144 Hz
Desktop color depth: Highest (32-bit)
HDCP: Supported

ITS STILL HAPPENING ON 25w41A

also that video should not have any audio, the culrpit video, it was an accidental overlay

it still happens on pre-release [1.21.9] 4

tried this on another world and its the menu blur causing the menu lag issue

I hope this is fixed…

[media: Minecraft 1.21.9 Pre-Release 2 - Multiplayer (LAN) 2025-09-19 17-30-03.mp4]

I THINK I FOUND THE CAUSE!!!!!!!

[media: Minecraft 1.21.9 Pre-Release 2 - Singleplayer 2025-09-19 17-27-22.mp4]

same here, but at Y 400

[media: Minecraft 1.21.9 Pre-Release 2 - Singleplayer 2025-09-19 17-25-39.mp4]

same thing except at the bottom of the world

[media: Minecraft 1.21.9 Pre-Release 2 - Singleplayer 2025-09-19 17-23-20.mp4]

1.21.9 Pre-Release 2 has this problem as well… But, I have found something else that is interesting…

[media: Minecraft 1.21.9 Pre-Release 1 2025-09-18 23-43-06.mp4]

this is to show its not affecting in the main menu, only when I’m in a world.

[media: Minecraft 1.21.9 Pre-Release 1 - Multiplayer (LAN) 2025-09-18 23-42-21.mp4]

this is after i reinstalled the graphics driver

whats even stranger is that ONLY the visuals, (the white outlines) on the options look extremely delayed but as if I pressed them normally

I have reinstalled the latest applicable graphics driver, it still has the same issues

because when i tried to play the game in fullscreen mode, pressing the escape button doesn’t lag the game on fullscreen…

i think I found out how the bug happens, likely in by not going full screen mode.

video

[media: Minecraft 1.21.9 Pre-Release 1 - Singleplayer 2025-09-18 16-15-42.mp4]

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