# Blender Blender 4.5.2 LTS Maintenance Release !

- Product: Blender (https://whatsnew.fyi/product/blender)
- Vendor: Blender Foundation
- Date: 2025-08-20
- Original notes: https://store.steampowered.com/news/app/365670/view/529855657693675538
- Permalink: https://whatsnew.fyi/product/blender/releases/2025-08-20-blender-4.5.2-lts-maintenance-release

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

---

- **fixed** — Vertex and Weight Paint Mask issues with subdivision
- **fixed** — Shading issue when transforming an object with custom normals
- **fixed** — Misnamed Built-In Shader
- **fixed** — Asset browser capture screenshot preview does not capture Cycles rendered preview
- **fixed** — USD world uses wrong output node
- **fixed** — Vertex Weight Proximity sets Normalize Weights checkbox to default state after options switch
- **fixed** — NDOF orbit center settings are now greyed-out in Fly mode
- **fixed** — Grease Pencil fill guide attribute removal
- **fixed** — Tool gizmo disappears when resizing regions and areas
- **fixed** — Pivot to Active Vertex in Mesh Sculpt mode not working
- **fixed** — Grease pencil join selection operation makes existing strokes broken
- **fixed** — Action editor with playhead snapping crash
- **fixed** — macOS Vulkan user preferences reuse issue
- **fixed** — Multi 3D Views with Alt+B enabled click selection picking mesh outside clipping region
- **fixed** — Attribute node View Layer type not updated during playback in EEVEE when nothing is animated
- **fixed** — OpenGL debug-gpu flag does not work in background mode
- **fixed** — Field Nodes not outputting values from node groups
- **fixed** — Old AMD Drivers crash on startup
- **fixed** — Knife cut tool error after confirming previous cut with Shift+K in Edit Mode
- **fixed** — Hydra Storm error in console when rendering

Blender 4.5.2 LTS features important bug fixes. It is released on the _v4.5 - Stable - LTS_ branch.  You can switch to this by **right-clicking** on the **Blender** entry in your library, select **Properties...**. Open the **Betas** tab and select **v4.5 - Stable - Stable**.

##### Patch Notes

* Cleanup `bpy` builds on PyPI and archive them on Download. ([#146](https://projects.blender.org/infrastructure/meta/issues/146))
* Vertex/Weight Paint Mask issues with subdivision. ([#143317](https://projects.blender.org/blender/blender/issues/143317))
* Regression: Shading Issue transforming a object with custom normals. ([#142485](https://projects.blender.org/blender/blender/issues/142485))
* Missnamed Built-In Shader. ([#143485](https://projects.blender.org/blender/blender/issues/143485))
* Asset browser capture screenshot preview does not capture Cycles rendered preview. ([#141732](https://projects.blender.org/blender/blender/issues/141732))
* USD: World uses wrong output node. ([#143291](https://projects.blender.org/blender/blender/issues/143291))
* Vertex Weight Proximity sets Normalize Weights checkbox to default state after options switch. ([#143360](https://projects.blender.org/blender/blender/issues/143360))
* UI: grey-out NDOF orbit center settings in "Fly mode". ([98596c9bccc](https://projects.blender.org/blender/blender/commit/98596c9bccc))
* Fix: Grease Pencil: Remove fill guide attribute in `remove_fill_guides`. ([5c1e9125b91](https://projects.blender.org/blender/blender/commit/5c1e9125b91))
* Tool gizmo disappears when resizing regions & areas. ([#143629](https://projects.blender.org/blender/blender/issues/143629))
* Pivot to Active Vertex in Mesh Sculpt mode not working. ([#143630](https://projects.blender.org/blender/blender/issues/143630))
* Fix: `SculptSession#last_active_vert` uses incorrect value. ((https://projects.blender.org/blender/blender/commit/fa3bebbbd6f))
* `bpy.ops.grease_pencil.join_selection(type='JOIN')` makes existing strokes broken. ([#142325](https://projects.blender.org/blender/blender/issues/142325))
* Action editor with playhead snapping crash. ([#143154](https://projects.blender.org/blender/blender/issues/143154))
* macOS complains about being unable to use Vulkan if a user reuses Vulkan user preferences. ([#143304](https://projects.blender.org/blender/blender/issues/143304))
* [Clipping Region] Multi 3D Views & Alt+B enabled - click selection picks mesh outside region before target in mesh edit mode. ([#142800](https://projects.blender.org/blender/blender/issues/142800))
* Attribute node (Type: View Layer) is not updated during playback in EEVEE when nothing is animated. ([#143323](https://projects.blender.org/blender/blender/issues/143323))
* OpenGL: --debug-gpu doesn't work in background mode. ([#142620](https://projects.blender.org/blender/blender/issues/142620))
* Field Nodes not outputing values from node groups. ([#142202](https://projects.blender.org/blender/blender/issues/142202))
* Old AMD Drivers: Crashes on startup (4.4.0 and above). ([#143087](https://projects.blender.org/blender/blender/issues/143087))
* Error "Selected faces required" When Using 'K' Knife Cut After Confirming Previous Cut with 'Shift+K' in Edit Mode. ([#143439](https://projects.blender.org/blender/blender/issues/143439))
* Hydra Storm: Error in console when rendering. ([#143722](https://projects.blender.org/blender/blender/issues/143722))
* Fix: Nodes: restore active node after copy-pasting nodes. ([0a37bba5a99](https://projects.blender.org/blender/blender/commit/0a37bba5a99))
* Dot dash modifier makes grease pencil disappear. ([#143870](https://projects.blender.org/blender/blender/issues/143870))
* Solidify Algorithm Behaves Strange/Different in 4.5. ([#143789](https://projects.blender.org/blender/blender/issues/143789))
* Vulkan: Assert when sliding vertex. ([#143685](https://projects.blender.org/blender/blender/issues/143685))
* Blender displays a crash popup when OSL camera references oso file that doesn't e

_[Truncated at 4000 characters — full notes: https://store.steampowered.com/news/app/365670/view/529855657693675538]_