No STL Support #54

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opened 2026-04-12 17:55:47 +00:00 by Triager-bot · 4 comments
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Original bug report: https://projects.blender.org/blender/blender/issues/157235

System Information
Operating system: Windows-10-10.0.26200-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 5060 Laptop GPU/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 577.09 Opengl Backend

Blender Version
Broken: version: 5.0.0, branch: blender-v5.0-release, commit date: 2025-11-18 09:54, hash: a37564c4df7a
Worked: (newest version of Blender that worked as expected)

Short description of error
There is no STL option. Have tried looking for it under preferences/Add-Ons

Exact steps for others to reproduce the error
[I have opened Edit-Preferences-Add on. It is not listed as an option.

Original bug report: https://projects.blender.org/blender/blender/issues/157235 **System Information** Operating system: Windows-10-10.0.26200-SP0 64 Bits Graphics card: NVIDIA GeForce RTX 5060 Laptop GPU/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 577.09 Opengl Backend **Blender Version** Broken: version: 5.0.0, branch: blender-v5.0-release, commit date: 2025-11-18 09:54, hash: `a37564c4df7a` Worked: (newest version of Blender that worked as expected) **Short description of error** There is no STL option. Have tried looking for it under preferences/Add-Ons **Exact steps for others to reproduce the error** [I have opened Edit-Preferences-Add on. It is not listed as an option.
Triager-bot added the
Status
Needs review
label 2026-04-12 17:55:47 +00:00
Author
Owner

Report is clear

LLM Reasoning

Got it, let's see. The bug report title is "No STL Support". The body says there's no STL option and they checked Add-ons in preferences. The steps are opening Edit-Preferences-Add on and it's not listed. So the description is clear about what the issue is (no STL support) and how to reproduce (check add-ons). Even though system info is there, we ignore that. The steps are present and clear. So the answer should be Yes? Wait, wait. Wait, the user wants a single word: Yes or No. Let me check again. The bug report's text description: "There is no STL option. Have tried looking for it under preferences/Add-Ons" – that's clear. Steps to reproduce: [I have opened Edit-Preferences-Add on. It is not listed as an option.] So the steps are there, and the issue is clearly described. So yes, it does clearly describe the issue.

JSON Data

{
"llm_judgement": true,
"processing_time": 11.21717
}

<!-- ID: CLARITY_CHECK --> ### Report is clear <details> <summary>LLM Reasoning</summary> Got it, let's see. The bug report title is "No STL Support". The body says there's no STL option and they checked Add-ons in preferences. The steps are opening Edit-Preferences-Add on and it's not listed. So the description is clear about what the issue is (no STL support) and how to reproduce (check add-ons). Even though system info is there, we ignore that. The steps are present and clear. So the answer should be Yes? Wait, wait. Wait, the user wants a single word: Yes or No. Let me check again. The bug report's text description: "There is no STL option. Have tried looking for it under preferences/Add-Ons" – that's clear. Steps to reproduce: [I have opened Edit-Preferences-Add on. It is not listed as an option.] So the steps are there, and the issue is clearly described. So yes, it does clearly describe the issue. </details> <details> <summary>JSON Data</summary> { "llm_judgement": true, "processing_time": 11.21717 } </details>
Author
Owner

Report is specific

LLM Reasoning

Got it, let's analyze this bug report. The title is "No STL Support" and the body says there's no STL option, tried looking in preferences/Add-Ons. The steps are specific: opening Edit-Preferences-Add on and not finding it. So it's about a specific issue where the STL option isn't present. Wait, but let's check the definitions. Specific is about a specific feature or step, like crashing while using a specific feature. Here, the user is reporting that a specific option (STL) is missing in a specific place (Add-Ons under preferences). So it's a specific issue because it's about a particular feature not being available where expected. Wait, but maybe "generic" would be if it's vague like "crashing while rendering". But here, the report is about a specific missing option. Let me confirm: the user tried looking in a specific location (Add-Ons under preferences) and didn't find STL. So that's a specific issue. So the answer should be 'Specific'? Wait, but let's check the example. The example for specific is "Crashing while using a specific feature while rendering" — here, it's about a specific option not being present in a specific menu. So yes, specific. Wait, but maybe I'm overcomplicating. Let's see: the bug report is about a specific issue (no STL support) with exact steps (looking in Add-Ons). So the answer is Specific.

JSON Data

{
"llm_judgement": true,
"processing_time": 16.326556
}

<!-- ID: SPECIFIC_REPORT --> ### Report is specific <details> <summary>LLM Reasoning</summary> Got it, let's analyze this bug report. The title is "No STL Support" and the body says there's no STL option, tried looking in preferences/Add-Ons. The steps are specific: opening Edit-Preferences-Add on and not finding it. So it's about a specific issue where the STL option isn't present. Wait, but let's check the definitions. Specific is about a specific feature or step, like crashing while using a specific feature. Here, the user is reporting that a specific option (STL) is missing in a specific place (Add-Ons under preferences). So it's a specific issue because it's about a particular feature not being available where expected. Wait, but maybe "generic" would be if it's vague like "crashing while rendering". But here, the report is about a specific missing option. Let me confirm: the user tried looking in a specific location (Add-Ons under preferences) and didn't find STL. So that's a specific issue. So the answer should be 'Specific'? Wait, but let's check the example. The example for specific is "Crashing while using a specific feature while rendering" — here, it's about a specific option not being present in a specific menu. So yes, specific. Wait, but maybe I'm overcomplicating. Let's see: the bug report is about a specific issue (no STL support) with exact steps (looking in Add-Ons). So the answer is Specific. </details> <details> <summary>JSON Data</summary> { "llm_judgement": true, "processing_time": 16.326556 } </details>
Author
Owner

Report flagged as NOT a duplicate by LLM

Blender 5.0 beta is not bundled with GPU kernels

https://projects.blender.org/blender/blender/issues/147772

System Information
Operating system: Windows-10-10.0.26100-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 4090 NVIDIA Corporation NVIDIA 581.29 Vulkan Backend

Blender Version
Broken: version: 5.0.0 Beta, branch: blender-v5.0-release, commit date: 2025-10-10 00:59, hash: f4152fa946a3
Worked: 4.5

Short description of error
[No compatible GUPs found for Cycles] found in 5.0 beta, but I has no such error in 5.0 Alpha, as the screen shots show below. Thank you.

LLM Reasoning

Got it, let's analyze these two bug reports. First, look at the descriptions and steps to reproduce.

Bug report 1 is about "No STL Support"—the user can't find the STL option in Add-Ons. The steps are checking Edit-Preferences-Add on, not finding it.

Bug report 2 is about "Blender 5.0 beta not bundled with GPU kernels"—the error is [No compatible GPUs found for Cycles], which is a different issue related to GPU support in Cycles rendering, not STL import/export.

The descriptions and steps are completely different: one is about missing STL add-on, the other about GPU compatibility for Cycles. So they're not the same issue. Therefore, the answer is No.

JSON Data

{
"llm_judgement": false,
"processing_time": 9.876479999999999,
"duplicate_report_number": "147772"
}

<!-- ID: CHECK_DUPLICATE --> ### Report flagged as NOT a duplicate by LLM <details> <summary>Blender 5.0 beta is not bundled with GPU kernels</summary> https://projects.blender.org/blender/blender/issues/147772 **System Information** Operating system: Windows-10-10.0.26100-SP0 64 Bits Graphics card: NVIDIA GeForce RTX 4090 NVIDIA Corporation NVIDIA 581.29 Vulkan Backend **Blender Version** Broken: version: 5.0.0 Beta, branch: blender-v5.0-release, commit date: 2025-10-10 00:59, hash: `f4152fa946a3` Worked: 4.5 **Short description of error** [No compatible GUPs found for Cycles] found in 5.0 beta, but I has no such error in 5.0 Alpha, as the screen shots show below. Thank you. </details> <details> <summary>LLM Reasoning</summary> Got it, let's analyze these two bug reports. First, look at the descriptions and steps to reproduce. Bug report 1 is about "No STL Support"—the user can't find the STL option in Add-Ons. The steps are checking Edit-Preferences-Add on, not finding it. Bug report 2 is about "Blender 5.0 beta not bundled with GPU kernels"—the error is [No compatible GPUs found for Cycles], which is a different issue related to GPU support in Cycles rendering, not STL import/export. The descriptions and steps are completely different: one is about missing STL add-on, the other about GPU compatibility for Cycles. So they're not the same issue. Therefore, the answer is No. </details> <details> <summary>JSON Data</summary> { "llm_judgement": false, "processing_time": 9.876479999999999, "duplicate_report_number": "147772" } </details>
Author
Owner

Report flagged as NOT a duplicate by LLM

No Navigation Bar on some UserPref editors

https://projects.blender.org/blender/blender/issues/146284

System Information
Operating system: Windows-10-10.0.19045-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 3070 NVIDIA Corporation NVIDIA 580.97 Vulkan Backend

Blender Version
Broken: version: 5.0.0 Alpha, branch: main, commit date: 2025-09-14 16:58, hash: edd298105793
Worked: 4.5, 5.0 (build before few days ago)

Short description of error
There's no navigation bar on some user_preference editors in a file from just a few days ago.

I do believe that this the culprit: blender/blender#146169 but no confirmation.

Exact steps for others to reproduce the error
You can open the given file to reproduce the issue.
user_pref_bug.blend

LLM Reasoning

Got it, let's analyze these two bug reports. First, look at the descriptions and steps to reproduce.

Bug report 1 is about "No STL Support"—the user can't find the STL option in preferences/Add-Ons. The steps are opening Edit-Preferences-Add on and not finding it listed.

Bug report 2 is about "No Navigation Bar on some UserPref editors"—the issue is missing navigation bar in user preference editors, with a video demo and a .blend file to reproduce.

The issues are completely different: one is about STL support (a file format import/export), the other is about UI elements (navigation bar) in user preferences. So they're not the same. Therefore, the answer is No.

JSON Data

{
"llm_judgement": false,
"processing_time": 11.192695,
"duplicate_report_number": "146284"
}

<!-- ID: CHECK_DUPLICATE --> ### Report flagged as NOT a duplicate by LLM <details> <summary>No Navigation Bar on some UserPref editors</summary> https://projects.blender.org/blender/blender/issues/146284 **System Information** Operating system: Windows-10-10.0.19045-SP0 64 Bits Graphics card: NVIDIA GeForce RTX 3070 NVIDIA Corporation NVIDIA 580.97 Vulkan Backend **Blender Version** Broken: version: 5.0.0 Alpha, branch: main, commit date: 2025-09-14 16:58, hash: `edd298105793` Worked: 4.5, 5.0 (build before few days ago) **Short description of error** There's no navigation bar on some user_preference editors in a file from just a few days ago. I do believe that this the culprit: blender/blender#146169 but no confirmation. <video src="attachments/e6b41bfc-19af-4782-8713-d8a55acdda94" title="bug_demo.mp4" controls></video> **Exact steps for others to reproduce the error** You can open the given file to reproduce the issue. [user_pref_bug.blend](/attachments/63e4be8c-b86a-4330-b958-d9ac209f9b5f) </details> <details> <summary>LLM Reasoning</summary> Got it, let's analyze these two bug reports. First, look at the descriptions and steps to reproduce. Bug report 1 is about "No STL Support"—the user can't find the STL option in preferences/Add-Ons. The steps are opening Edit-Preferences-Add on and not finding it listed. Bug report 2 is about "No Navigation Bar on some UserPref editors"—the issue is missing navigation bar in user preference editors, with a video demo and a .blend file to reproduce. The issues are completely different: one is about STL support (a file format import/export), the other is about UI elements (navigation bar) in user preferences. So they're not the same. Therefore, the answer is No. </details> <details> <summary>JSON Data</summary> { "llm_judgement": false, "processing_time": 11.192695, "duplicate_report_number": "146284" } </details>
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Good judgement
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Status
Needs review
labels 2026-04-13 14:17:51 +00:00
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Reference: Triager-bot/blender-bug-reports#54