The display appears too dark #68
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Reference: Triager-bot/blender-bug-reports#68
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Original bug report: https://projects.blender.org/blender/blender/issues/157263
System Information
Operating system: Linux-6.19.11-arch1-1-x86_64-with-glibc2.43 64 Bits, WAYLAND UI
Graphics card: NVIDIA GeForce RTX 5070 Ti Laptop GPU NVIDIA Corporation NVIDIA 595.58.03 Vulkan Backend
Blender Version
Broken: version: 5.1.0, branch: makepkg (modified), commit date: 2026-03-16 18:50, hash:
adfe2921d5f3Worked: 4.x
Short description of error
The display appears too dark
Exact steps for others to reproduce the error
Launch Blender. The entire interface appears too dark.
Additional Information
Report is clear
LLM Reasoning
Got it, let's see. The bug report has a title, body with system info (but we ignore that), short description, steps to reproduce, and additional info. The steps are clear: launch Blender, interface is too dark. Also, there are images which probably show the issue. So does it clearly describe the issue? Yes, because the steps are straightforward and the description is concise. So the answer should be 'Yes'.
JSON Data
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Report is specific
LLM Reasoning
Got it, let's analyze the bug report. The title is "The display appears too dark". The body mentions specific details like the operating system (Linux with WAYLAND UI), graphics card (NVIDIA RTX 5070 Ti), Blender version (5.1.0), and exact steps: launch Blender, interface is too dark. Also, additional info about integrated GPU working, specific compositors (KDE Plasma vs niri/Hyprland) where it occurs or not. The issue is about a specific scenario—using NVIDIA with WAYLAND on KDE Plasma causing the display to be too dark. Since it's tied to specific components (NVIDIA card, WAYLAND UI, KDE Plasma) and has exact steps, this is a specific issue. Wait, but let me check the definition: specific bug reports are about a specific feature or scenario. The example given was "Crashing while using a specific feature while rendering" vs generic "Crashing while rendering". Here, the display being too dark when launching Blender with NVIDIA on WAYLAND and KDE Plasma is a specific issue because it's not just "display too dark" in general, but under those specific conditions. So the answer should be 'Specific'.
JSON Data
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Report flagged as duplicate by LLM
Vulkan: Literally ALL of Blender darker than normal.
https://projects.blender.org/blender/blender/issues/156538
System Information
Operating system: CachyOS, Kernel: Linux 6.19.10-1-cachyos, DE: KDE Plasma 6.6.3, WM: KWin (Wayland)
Graphics card: Nvidia RTX 4070ti, Driver Version: 595.58.03
Blender Version
Broken: 5.1
Worked: 5.0
Short description of error
When the Vulkan backend is in use, Blender is just... darker.
I'm using factory settings in both screenshots, no clue why this only started with 5.1.
LLM Reasoning
Got it, let's analyze these two bug reports. First, look at the key sections: description and steps to reproduce.
Bug report 1 says the display is too dark when launching Blender, specifically with Vulkan backend (since integrated GPU or OpenGL don't have issues). The steps are just launching Blender. Also mentions KDE Plasma (KWin) as the environment where it happens.
Bug report 2's title is "Vulkan: Literally ALL of Blender darker than normal." The description says when using Vulkan backend, Blender is darker. Steps aren't detailed but mentions factory settings and that it started with 5.1. System info includes KDE Plasma (KWin) too, same as bug 1.
Both are about Blender being too dark/darker when using the Vulkan backend, on systems with NVIDIA GPUs and KDE Plasma (KWin). The core issue is the same: dark display in Blender with Vulkan. So they're duplicates.
JSON Data
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Report flagged as duplicate by LLM
Changing Backend to Vulkan makes all the UI darker
https://projects.blender.org/blender/blender/issues/155889
System Information
Operating system: Linux-6.19.7-1-cachyos-x86_64-with-glibc2.43 64 Bits, WAYLAND UI
Graphics card: NVIDIA GeForce RTX 3060 NVIDIA Corporation NVIDIA 595.45.04 Vulkan Backend
Blender Version
Broken: version: 5.1.0, branch: blender-v5.1-release, commit date: 2026-03-16 18:50, hash:
adfe2921d5f3Worked: (newest version of Blender that worked as expected)
Short description of error
Using Vulkan makes all the blender UI darker except the title bar and frame.
Exact steps for others to reproduce the error
LLM Reasoning
Got it, let's analyze these two bug reports. First, look at the descriptions and steps.
Bug report 1: The display is too dark when using WAYLAND with NVIDIA RTX 5070 Ti, Vulkan backend. Steps say launch Blender, interface is too dark. Also mentions it doesn't happen with integrated GPU or OpenGL, and specific compositors (niri, Hyprland don't have the issue).
Bug report 2: Changing backend to Vulkan makes UI darker except title bar/frame. Steps are change backend to Vulkan, restart, UI becomes darker.
Both mention Vulkan as the cause, dark UI. The first one is about the display being too dark when using WAYLAND and NVIDIA with Vulkan, the second is specifically changing backend to Vulkan causing darker UI. The core issue seems similar—Vulkan backend leading to a darker interface. Let's check if they're duplicates. Both describe the same problem: Vulkan backend makes Blender's UI darker. So yes, they are the same issue.
JSON Data
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"duplicate_report_number": "155889"
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Report flagged as duplicate by LLM
Vulkan: Dark colors with NVIDIA 595.x.x + Wayland + KDE
https://projects.blender.org/blender/blender/issues/155467
System Information
Operating system: Linux-6.17.7-ba28.fc43.x86_64-x86_64-with-glibc2.42 64 Bits, WAYLAND UI
Graphics card: NVIDIA GeForce RTX 3060 Laptop GPU/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 595.45.04 Opengl Backend
Blender Version
Broken: version: 5.0.1, branch: blender-v5.0-release, commit date: 2025-12-15 16:36, hash:
a3db93c5b259Worked: (newest version of Blender that worked as expected)
Short description of error
Essentially when I open up blender 5.0.1 with the vulkan backend via steam on bazzite linux, the entire UI is a lot darker than when I open it with the OpenGL backend. It is straight away darker right when I get into blender (so its scene agnostic), and when I switch back to the OpenGL backend its back to a normal brightness.
Exact steps for others to reproduce the error
LLM Reasoning
Got it, let's analyze these two bug reports. First, look at the key sections: description and steps to reproduce.
Bug report 1: Title is "The display appears too dark". Description says the entire interface is too dark when launching Blender. Steps: Launch Blender, interface is too dark. Additional info mentions NVIDIA GPU (RTX 5070 Ti), Wayland, KDE Plasma, and that it's not HDR-related. Also, using integrated GPU or OpenGL backend fixes it.
Bug report 2: Title is "Vulkan: Dark colors with NVIDIA 595.x.x + Wayland + KDE". Description says UI is darker with Vulkan backend compared to OpenGL, scene-agnostic (so right when opening). Steps include switching from OpenGL to Vulkan backend. System info has NVIDIA 3060, Wayland, KDE. Workaround includes using OpenGL or setting WAYLAND_DISPLAY=0.
Now, check if they're the same issue. Both involve dark display/UI with Vulkan on NVIDIA + Wayland + KDE. Bug report 1's steps are just launching Blender (so switching to Vulkan implicitly), and bug report 2 explicitly switches from OpenGL to Vulkan. The core issue is dark UI when using Vulkan backend on NVIDIA with Wayland/KDE. So the symptoms and context (NVIDIA, Wayland, KDE, Vulkan causing darkness) match. Therefore, they are duplicates.
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Report flagged as NOT a duplicate by LLM
Vulkan HDR Display darker than normal
https://projects.blender.org/blender/blender/issues/141682
System Information
Operating system: Windows-10-10.0.26100-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 3060 Ti NVIDIA Corporation NVIDIA 566.14 Vulkan Backend
Display: LG C3X OLED 48"
OS Settings: HDR, Custom HDR Calibrated Profile, Auto HDR, Bit depth 12-bit, G-Sync Compatible, VRR on, Hardware-accelerated GPU scheduling
Blender Version
Broken: version: 4.5.0 Release Candidate, branch: blender-v4.5-release, commit date: 2025-07-09 10:56, hash:
82f75f22ef99Worked: 4.5.0 Release Candidate OpenGL Backend
Short description of error
Using Vulkan backend makes the blender UI darker than normal, Works as expected in OpenGL. Issue is much more prominent when viewing on Display compared to screenshot.
Exact steps for others to reproduce the error
Simply change the backend to Vulkan
LLM Reasoning
Got it, let's analyze these two bug reports. First, look at the key sections: Description and Steps to Reproduce.
Bug Report 1:
Bug Report 2:
Now, check if they're the same issue. Both involve the Vulkan backend causing a dark display/UI. But let's see differences:
But the core issue: Vulkan backend causing darker UI. However, the environments are different (Linux vs Windows, different GPUs, HDR vs non-HDR). But the question is if they're the same issue. Wait, but maybe the underlying problem is similar—Vulkan rendering making the display dark. But let's check the steps and descriptions.
Wait, Bug 1's steps: Launch Blender (interface too dark). Bug 2's steps: Change backend to Vulkan (UI darker). Both are about Vulkan causing darkness. But are they duplicates? Let's see if the root cause is the same. Maybe, but the environments differ. However, the question is based on the text description of the two reports. Let's check the key points:
Bug 1: Dark display when using NVIDIA Vulkan backend (Linux), not with OpenGL or integrated GPU.
Bug 2: Dark UI when using Vulkan backend (Windows), works in OpenGL.
So both are about Vulkan causing darkness, but different OSes and setups. But are they the same issue? The question is if they're duplicates. Since the core symptom is similar (Vulkan making display/UI dark) but environments differ, but maybe the underlying bug is the same. Wait, but the user asks to focus on Description and Steps.
Bug 1's description: "The entire interface appears too dark" when using Vulkan.
Bug 2's description: "Using Vulkan backend makes the blender UI darker than normal" when using Vulkan.
Steps:
Bug 1: Launch Blender (interface too dark).
Bug 2: Change backend to Vulkan (UI darker).
So both are about Vulkan causing darkness. But are they the same issue? Maybe, but let's see if there's any difference that would make them not duplicates. For example, Bug 1 mentions Wayland and specific compositors, Bug 2 mentions Windows and HDR. But the core issue is Vulkan rendering leading to dark display. However, maybe the underlying cause is different (e.g., Linux vs Windows driver issues). But the question is whether they are the same issue based on the text.
Wait, the user says "Based on the text description of these two bug reports, are they the same issue? Your focus should primarily be on the 'Description of issue' and 'Steps to reproduce the issue' section."
So let's compare those sections:
Description:
Steps:
Both are about the Vulkan backend causing a dark appearance. So maybe they are duplicates? But wait, Bug 2 mentions HDR settings (LG OLED) and that it's more prominent on display vs screenshot. Bug 1 doesn't mention HDR. But the core issue is similar. However, maybe the answer is "Yes" if they're duplicates. Wait, but let's think again.
Wait, Bug 1 says "No issues occur when using the integrated GPU (AMD Radeon 610M) or the OpenGL rendering backend." So Vulkan on NVIDIA causes dark. Bug 2 says "Works as expected in OpenGL. Issue is much more prominent when viewing on Display compared to screenshot." So both have Vulkan causing darkness, OpenGL working.
But are they the same issue? The question is whether they're duplicates. Since both report that using Vulkan makes the display/UI darker than normal (with OpenGL working), and the steps involve using Vulkan, maybe they are the same issue. But wait, the environments are different (Linux vs Windows, different GPUs). But the text description's core symptom is similar.
Alternatively, maybe not. Let's check again. The user says "if you are unsure, then respond 'No'". So if there's any doubt, say No.
Wait, Bug 1 is about the entire interface being too dark when using Vulkan on Linux (Wayland) with NVIDIA. Bug 2 is about Vulkan making UI darker than normal on Windows with HDR settings. The underlying cause could be different (e.g., Wayland vs Windows driver handling of Vulkan), but the symptom is similar. However, based on the text description, are they the same issue?
The key is: do both reports describe the same problem? Let's see:
Bug 1: Dark display when using Vulkan backend (Linux, NVIDIA).
Bug 2: Dark UI when using Vulkan backend (Windows, NVIDIA).
Both have Vulkan causing darkness. So maybe Yes. But wait, Bug 2 mentions HDR, which Bug 1 doesn't. But the core issue is similar. However, maybe the answer is No because of different environments. Wait, but the question is based on the text description. Let's check the exact wording.
Bug 1's steps: "Launch Blender. The entire interface appears too dark."
Bug 2's steps: "Simply change the backend to Vulkan"
So both are about activating Vulkan leading to darkness. So maybe they are duplicates. But I'm not sure. Wait, the user says "if you are unsure, then respond 'No'". So if there's any doubt, say No.
Wait, let's think again. The two reports have different operating systems (Linux vs Windows), different GPUs (RTX 5070 Ti Laptop vs RTX 3060 Ti), different display setups (Wayland vs HDR OLED). But the core symptom is Vulkan making the display dark. However, are they the same issue? Maybe not, because the environments are different, and the root cause could be different. For example, Bug 1 might be a Wayland-specific issue with NVIDIA's Vulkan driver, while Bug 2 is a Windows HDR-related issue with NVIDIA's Vulkan driver. So even though the symptom is similar, they might be different issues.
Therefore, since there are differences in environment and possibly root cause, the answer is No.
JSON Data
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Report flagged as duplicate by LLM
Nvidia problem with Vulkan backend
https://projects.blender.org/blender/blender/issues/145438
I use Arch Linux and nvidia 580.76.05. blender 17:4.5.1
If you select Vulkan in the settings in Blender, then when the program starts, a dark window opens on the floor of the screen.
Yes, it appears to be caused by the latest nvidia 580 series drivers. In my quick tests:
-xorg works
-nouveau works
-plasma/wayland doesn't work
-gnome/wayland doesn't work
It works fine when downgrading nvidia drivers to the 575 series.
The most interesting thing is that there are no errors in the logs. Everything looks like the blender just started up and running.
Original report (video and screenshot): https://gitlab.archlinux.org/archlinux/packaging/packages/blender/-/issues/35
LLM Reasoning
Got it, let's analyze these two bug reports. First, look at the descriptions and steps to reproduce.
Bug report 1: Title is "The display appears too dark". Steps: Launch Blender, entire interface is too dark. Additional info mentions NVIDIA GPU, Vulkan backend, issue with KDE Plasma (Wayland) but not others. Also, works with integrated GPU or OpenGL.
Bug report 2: Title is "Nvidia problem with Vulkan backend". Steps: Select Vulkan in settings, program starts with a dark window. Notes that latest NVIDIA drivers (580 series) cause it, downgrading to 575 fixes. Works on Xorg/nouveau but not Wayland compositors.
Both are about NVIDIA + Vulkan causing a dark display issue in Blender. The core problem is the same: when using NVIDIA's Vulkan backend, the interface is too dark. The steps involve launching Blender with Vulkan, and both mention issues specific to NVIDIA drivers and Wayland (or certain compositors). So they seem to be the same underlying issue. Therefore, the answer should be "Yes".
JSON Data
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