[Tracking issue] Regressions in OrcaSlicer 2.3.2 Release #402

New Issue

MrUnknownDE · 2026-04-05T16:20:35+02:00

MrUnknownDE commented

2026-04-05 16:20:35 +02:00

Originally created by @Felix14-v2 on 3/8/2026

Creating a separate GitHub reports for each of these issues is extremely time-consuming, so it will be better to list them, track and update in a single tracking issue.
So, here's my list of incomplete/buggy features that have been added in 2.3.2 (and also related issues):

Ⅰ. New ports from Bambu Studio

1. `BambuStudio warning` header [Fixed in #12696]

Description

The warning is used for the following messages:

"\"%s\" part's mesh contains errors. Please repair it first. d6761fedc6/src/slic3r/GUI/GUI_ObjectList.cpp (L5950)
"\"%s\" will exceed 1 million faces after this subdivision, which may increase slicing time. Do you want to continue?
d6761fedc6/src/slic3r/GUI/GUI_ObjectList.cpp (L5961)

2. Adaptive flowrate [Fixed in #12688]

Description

The setting is displayed for all filament profiles in advanced mode, but only works with BambuLab filaments (profiles with pre-configured filament_adaptive_volumetric_speed model). Moreover, currently OrcaSlicer doesn't have a single filament profile with non-zero model, so displaying this setting doesn't make sense. I think it should be only visible in the developer mode (ideally, with a disclaimer in tooltip, not only in the wiki).
d6761fedc6/src/libslic3r/PrintConfig.cpp (L2464)

3. Prime tower improvements don't work [attempt to fix: #12782]

Description

Flushing and notch at the starting point — added flushing actions for the interface layer: the nozzle wipes before flushing (rather than after), then prints the prime tower directly (release notes)

The notch (skip points option) doesn't work with regular profiles, only with BambuLab ones:

Demo

Bambu printers Regular printers

Enabled

Disabled

3MF [Skip points] Bambu prime tower.zip [Skip points] Regular prime tower.zip
Extra pre-extrusion before the interface layer — before printing the prime tower, the interface layer now performs a short pre-extrusion (release notes)

Changing Pre-extrusion distance/length do nothing even with Bambu printers (check the attached gcodes using a diff finder):

Demo and gcodes

Pre-extrusion and length do nothing.zip
Improved ironing strategy — ironing is no longer applied to the interface layer. A configurable ironing area parameter is added (release notes)

The spiral tower ironing moves aren't applied to printers other than H2D:

Demo

H2D Other printers

[Ironing] H2D prime tower.zip [Ironing] Others prime tower.zip

Bambu Wiki says that this feature requires Skip points to be enabled, so that may be an additional reason why it doesn't work for regular printers. But as you can see above, it doesn't work even with BambuLab A1 with skip points applied.

Also you can see in previous demo that I changed ironing area as well, but the only difference in the code is in the settings section.

I didn't check other features added in #12266, but I'm afraid all of them are broken.

4. Internal ribs [attempt to fix: #12742]

Description

The Internal ribs option also doesn't affect regular printers: OrcaSlicer applies a different tower algorithm for non-bambu printers, that shrinks the tower when the interface volume is lower.

Demo:

	Bambu printers	Regular printers
Enabled
Disabled
	The tower width remains the same, ribs can be generated	The width is automatically reduced, no ribs in both scenarios
3MF	[Internal ribs] Bambu prime tower.zip	[Internal ribs] Regular prime tower.zip

5. Issues with Wiki links in the ported GUI elements [1/4 fixed]

Description

Filament grouping wiki (3 places) refers to a local Bambu Studio .html, which doesn't exist in OrcaSlicer [fix: #12880]

Demo

Grouping popup

d6761fedc6/src/slic3r/GUI/FilamentGroupPopup.cpp (L150)

Preview legend

d6761fedc6/src/slic3r/GUI/GCodeViewer.cpp (L2768)
Links to local Wiki pages are broken with non'latin paths (and also it opens https instead of the local path)

~~Wiki link in the OBJ color import opens bambustudio Wiki~~ [Fixed in #12700]
d6761fedc6/src/slic3r/GUI/ObjColorDialog.cpp (L53-L56)
Wiki link in the PLA/PETG warning refers to Bambu Studio Wiki (intentional?)
d6761fedc6/src/slic3r/GUI/GLCanvas3D.cpp (L9698)

Demo

https://github.com/user-attachments/assets/024a8053-b422-4bd0-b944-4c79731752e7

6. Broken encoding in the OBJ import [Fixed in #12698]

Description

See the demo above at 0:30. The bug is probably there:
d6761fedc6/src/slic3r/GUI/ObjColorDialog.cpp (L927)

7. Filament view mode with H2D

Description

After adding H2D support to OrcaSlicer, the Filament Gcode legend became misaligned and unnecessarily wide. I suspect the new filament grouping section.

Demo:

	Screenshots
Others
H2D

8. Flushing volumes window [Fixed in #12694]

Description

The new window cannot be closed using Esc (which may be pretty annoying).
You can scroll the window content using touchpad in a weird way:

Demo

https://github.com/user-attachments/assets/2565de5b-4bdb-41ca-be93-c49e1c8c1f60

9. H2D filament grouping [Fixed in #12693]

Description

The grouping window can not be closed using Esc
The plate grouping button is invisibly active and available for all other printers after switching to them:

Demo

https://github.com/user-attachments/assets/cdc545a4-f0c7-4f75-acbc-90659ef5f2ad

10. Filament grouping is applied and forced to `Auto` for unsupported printers

Description

Regular dual-nozzle printer profiles with configured extruder_printable_area rely on the model placement safety check. The problem here is that OrcaSlicer always assumes that the Bambu filament grouping mode is used in the printer and is set to "auto", but the grouping feature is not available for non-bambu printers. Thus, model placement is never verified (until I (ab)use another bug to change the Bambu grouping to manually set the extruder for slicing):

https://github.com/user-attachments/assets/46e1bf16-d947-44d8-bb54-62c56e516eb1

Solution: filament grouping dialog (both the popup and plate button) and the entire grouping logic should be disabled for all printer profiles without MMUs (including H2D) and only enabled for multi-nozzle printers with connected MMUs. The initial popup dialog also shouldn't be displayed for these profiles unless painted material count exceeds the number of nozzles.
3MF: Filament grouping + dual nozzle.zip

Ⅱ. Regressions/bugs in updated/new features

1. Lagging tool position/speed profile windows [Fix: #12707]

Description

The speed profile menu and the main window don't update their size when moving layer slider using arrows and requires mouse movement for that

https://github.com/user-attachments/assets/c0a36d2e-fb38-4141-9d9e-ee5526b8a910

[Internal ribs] Bambu prime tower.zip (you can test this at the last layer of the tower, or just slice a sphere with arc fitting enabled)

2. Unable to close some notifications [Fixed in #12689]

Description

Unable to close some notifications in preview mode without additional actions

https://github.com/user-attachments/assets/f7039610-6979-4e7e-8385-0ee50cc6f62c

This notification is also affected:

(probably a common issue for all stacked notifications)

You can test these notifications using this 3MF: [Internal ribs] Regular prime tower.zip

3. Temperature mixing notifications [Fixed in #12700]

Description

The notifications reappear after clicking to the selected plate or attempting to move a single plate (should appear only after switching between different plates)

https://github.com/user-attachments/assets/1400ba33-527b-411b-813a-e52f009b8a8d

4. Incomplete support infill pattern warnings [Fixed in: #12710]

Description

We have the new notification for the regular supports (The Lightning base pattern is not supported by this support type; Rectilinear will be used instead.), but the Hollow pattern (shouldn't it be called "None"?) is also incompatible with regular supports and is silently replaced to Rectilinear without a notification:

	Lightning pattern	Hollow pattern (none)
Prepare
Preview

5. New localization issues [Fixed in : #12773]

Description

New manifestation of #6970 – the same Flow rate string is used now to describe both the Flow ~~rate~~ ratio calibration and the volumetric speed metrics of a line in Gcode preview:

Flow ratio	Flow rate (volumetric speed)

This leads to inability to translate it correctly into languages where the Flow part in Flow rate and Flow ratio should be replaced with different translations according to the following rate/ratio context. I think the root problem here is a term misuse, and the proper fix for that is to rename the calibration section from Flow rate to Flow ratio.

Description

The tooltip of the zoom button has a broken width calculation

Language	Screenshot
English
Russian
Deutsch
	I don't know how it decides to break the lines, but Deutsch suffers the most

7. `is_extruder_used` placeholder can't be used in Gcode header

Description

The mentioned placeholder (and probably some others) is not available for use in the new Gcode header section for no apparent reason. This limits usability of this new feature for some IDEX/dual-nozzle printers that rely on header information from their proprietary software (for example, FlashForge Creator series).

Example:

{if is_extruder_used[0]};left_extruder_temperature: {nozzle_temperature[0]}{endif}
{if is_extruder_used[1]};right_extruder_temperature: {nozzle_temperature[1]}{endif}

Ⅲ. Regressions compared to 2.3.1

#12370 (fix: #12265)
#12444 (fix: #12455)
~~#12449~~ (fixed in: #12767)
#12451
~~#12556~~ (fixed in: #12364)
#11702
#12704 (fix: #12856)
#12823 (fix: #12834)
Spiral z-hop and 5mm retract are forcefully applied when changing material (ignoring the settings)

Description

Project file: #12731.zip

2.3.1 2.3.2
Zero flushing volume warning is displayed for single-material parts

Description

Project file: lamp v2.2.zip

2.3.1 2.3.2
One of the Machine Gcode sections is randomly halved in height

Description

In 2.3.2, after some actions, height of one of the printer G-code sections become 2 times smaller, which makes it very difficult to work with the code. The weird thing is that the bug randomly affects only one of the sections at a time, and the bug "selects" a new section to change after some additional actions (like changing a tab or creating a new project). This bug was introduced in 2f2f0df.

2.3.1 2.3.2

How to reproduce:
1. Open a new OrcaSlicer instance
2. Create a new empty project
3. Open printer profile settings
4. Go to Machine G-code
5. See that the 1st field height is only 4 strings
6. Go to Notes and see the same
7. Return back to the G-code tab and see that the height of the field has changed
8. Scroll a bit and find another randomly shrinked field

Demonstration:

https://github.com/user-attachments/assets/57eec9ca-f7fb-4e51-9fed-24f1fc8350ed

I couldn't reproduce the issue in 2.3.1 and a previous commit (cca8dc9).
Prepare/preview frame shifts upwards/downwards during the mouse/keyboard activity

Description

The window is constantly shifted during the work process. Also happens when pressing Alt and some other buttons. This annoying problem hasn't been presented in 2.3.1.

For some reason, OBS can't record this window movement, so here's the recording from camera:

https://github.com/user-attachments/assets/ba9f4e48-7375-45ee-88ae-13b9b3d710f5

*Originally created by @Felix14-v2 on 3/8/2026* Creating a separate GitHub reports for each of these issues is extremely time-consuming, so it will be better to list them, track and update in a single tracking issue. So, here's my list of incomplete/buggy features that have been added in 2.3.2 (and also related issues): <h1 align="center">Ⅰ. New ports from Bambu Studio</h1> ## ~~1. `BambuStudio warning` header~~ [Fixed in #12696] <details> <summary>Description</summary> The warning is used for the following messages: - `"\"%s\" part's mesh contains errors. Please repair it first.` https://github.com/OrcaSlicer/OrcaSlicer/blob/d6761fedc67aa4ed70c3447638a29eb67f3b8121/src/slic3r/GUI/GUI_ObjectList.cpp#L5950 - `"\"%s\" will exceed 1 million faces after this subdivision, which may increase slicing time. Do you want to continue?` https://github.com/OrcaSlicer/OrcaSlicer/blob/d6761fedc67aa4ed70c3447638a29eb67f3b8121/src/slic3r/GUI/GUI_ObjectList.cpp#L5961 </details> *** ## ~~2. Adaptive flowrate~~ [Fixed in #12688] <details> <summary>Description</summary> The setting is displayed for all filament profiles in advanced mode, but only works with BambuLab filaments (profiles with pre-configured `filament_adaptive_volumetric_speed` model). Moreover, currently OrcaSlicer doesn't have a single filament profile with non-zero model, so displaying this setting doesn't make sense. I think it should be only visible in the developer mode (ideally, with a disclaimer in tooltip, not only in the wiki). https://github.com/OrcaSlicer/OrcaSlicer/blob/d6761fedc67aa4ed70c3447638a29eb67f3b8121/src/libslic3r/PrintConfig.cpp#L2464 </details> *** ## 3. Prime tower improvements don't work [attempt to fix: #12782] <details> <summary>Description</summary> - > Flushing and notch at the starting point — added flushing actions for the interface layer: the nozzle wipes before flushing (rather than after), then prints the prime tower directly ([release notes](https://github.com/OrcaSlicer/OrcaSlicer/releases/tag/v2.3.2-rc#:~:text=Flushing%20and%20notch%20at%20the%20starting%20point)) The notch (`skip points` option) doesn't work with regular profiles, only with BambuLab ones: <details> <summary>Demo</summary> | | Bambu printers | Regular printers | |:-:|:-:|:-:| |Enabled| <img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/b1d0ed11-ed10-4bcb-971f-588300948204" /> | <img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/eeba5e88-76dd-428d-9ef0-461b42ed894e" /> | |Disabled| <img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/80835d52-3ebc-48e3-9a6a-a5a7f609c2bc" /> | <img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/db85da56-3bd4-4306-80e2-f93fbc3cae9a" /> | |3MF|[\[Skip points\] Bambu prime tower.zip](https://github.com/user-attachments/files/25826814/Skip.points.Bambu.prime.tower.zip)|[\[Skip points\] Regular prime tower.zip](https://github.com/user-attachments/files/25826824/Skip.points.Regular.prime.tower.zip)| </details> - > Extra pre-extrusion before the interface layer — before printing the prime tower, the interface layer now performs a short pre-extrusion ([release notes](https://github.com/OrcaSlicer/OrcaSlicer/releases/tag/v2.3.2-rc#:~:text=Extra%20pre%2Dextrusion%20before%20the%20interface%20layer)) Changing Pre-extrusion distance/length do nothing even with Bambu printers (check the attached gcodes using a diff finder): <details> <summary>Demo and gcodes</summary> <img width="2560" height="1001" alt="Image" src="https://github.com/user-attachments/assets/2be64a99-13a0-4380-891b-eb4abbcee28f" /> [Pre-extrusion and length do nothing.zip](https://github.com/user-attachments/files/25824472/Pre-extrusion.and.length.do.nothing.zip) </details> - > Improved ironing strategy — ironing is no longer applied to the interface layer. A configurable ironing area parameter is added ([release notes](https://github.com/OrcaSlicer/OrcaSlicer/releases/tag/v2.3.2-rc#:~:text=Improved%20ironing%20strategy)) The spiral tower ironing moves aren't applied to printers other than H2D: <details> <summary>Demo</summary> | H2D | Other printers | |:-:|:-:| | <img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/3db75126-d128-4c52-9cfc-208385531d83" /> |<img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/b22aaaac-fc74-4404-a139-dd9329146cd8" /> | |[\[Ironing\] H2D prime tower.zip](https://github.com/user-attachments/files/25826780/Ironing.H2D.prime.tower.zip)|[\[Ironing\] Others prime tower.zip](https://github.com/user-attachments/files/25826782/Ironing.Others.prime.tower.zip)| Bambu Wiki says that this feature requires `Skip points` to be enabled, so that may be an additional reason why it doesn't work for regular printers. But as you can see above, it doesn't work even with BambuLab A1 with skip points applied. Also you can see in previous demo that I changed ironing area as well, but the only difference in the code is in the settings section. </details> I didn't check other features added in #12266, but I'm afraid all of them are broken. </details> *** ## 4. Internal ribs [attempt to fix: #12742] <details> <summary>Description</summary> The `Internal ribs` option also doesn't affect regular printers: OrcaSlicer applies a different tower algorithm for non-bambu printers, that shrinks the tower when the interface volume is lower. <details> <summary>Demo:</summary> | | Bambu printers | Regular printers | |:-:|:-:|:-:| | Enabled |<img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/54e1721d-2b0b-429b-a9f5-c3451117a0b2" /> | <img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/ac6c0731-2a35-4479-b432-94f6d39714d1" /> | | Disabled | <img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/2a81ab83-f42e-469a-97ae-45849751e4f0" /> |<img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/4278f79a-3d3b-4f75-a4b4-b18861dc8dd0" />| ||The tower width remains the same, ribs can be generated| The width is automatically reduced, no ribs in both scenarios | |3MF|[\[Internal ribs\] Bambu prime tower.zip](https://github.com/user-attachments/files/25826253/Internal.ribs.Bambu.prime.tower.zip)|[\[Internal ribs\] Regular prime tower.zip](https://github.com/user-attachments/files/25826246/Internal.ribs.Regular.prime.tower.zip)| </details> </details> *** ## 5. Issues with Wiki links in the ported GUI elements [1/4 fixed] <details> <summary>Description</summary> 1. Filament grouping wiki (3 places) refers to a local Bambu Studio .html, which doesn't exist in OrcaSlicer [fix: [#12880](https://github.com/OrcaSlicer/OrcaSlicer/pull/12880)] <details> <summary>Demo</summary> | Grouping popup | |:-:| | <img width="859" height="511" alt="Image" src="https://github.com/user-attachments/assets/d50355cb-c46f-4a6b-8f28-b4761b4946a1" />| |https://github.com/OrcaSlicer/OrcaSlicer/blob/d6761fedc67aa4ed70c3447638a29eb67f3b8121/src/slic3r/GUI/FilamentGroupPopup.cpp#L150| | Preview legend | |:-:| |<img width="668" height="539" alt="Image" src="https://github.com/user-attachments/assets/99d3b422-2bb6-4a43-89ed-b7b3b97c0592" />| |https://github.com/OrcaSlicer/OrcaSlicer/blob/d6761fedc67aa4ed70c3447638a29eb67f3b8121/src/slic3r/GUI/GCodeViewer.cpp#L2768| </details> 2. Links to local Wiki pages are broken with non'latin paths (and also it opens https instead of the local path) <img width="1627" height="72" alt="Image" src="https://github.com/user-attachments/assets/7f391802-8640-4ddb-8462-185ac1619bc0" /> 3. ~~Wiki link in the OBJ color import opens bambustudio Wiki~~ [Fixed in #12700] https://github.com/OrcaSlicer/OrcaSlicer/blob/d6761fedc67aa4ed70c3447638a29eb67f3b8121/src/slic3r/GUI/ObjColorDialog.cpp#L53-L56 4. Wiki link in the PLA/PETG warning refers to Bambu Studio Wiki (intentional?) https://github.com/OrcaSlicer/OrcaSlicer/blob/d6761fedc67aa4ed70c3447638a29eb67f3b8121/src/slic3r/GUI/GLCanvas3D.cpp#L9698 <details> <summary>Demo</summary> https://github.com/user-attachments/assets/024a8053-b422-4bd0-b944-4c79731752e7 </details> </details> *** ## ~~6. Broken encoding in the OBJ import~~ [Fixed in #12698] <details> <summary>Description</summary> See the demo above at 0:30. The bug is probably there: https://github.com/OrcaSlicer/OrcaSlicer/blob/d6761fedc67aa4ed70c3447638a29eb67f3b8121/src/slic3r/GUI/ObjColorDialog.cpp#L927 </details> *** ## 7. Filament view mode with H2D <details> <summary>Description</summary> After adding H2D support to OrcaSlicer, the `Filament` Gcode legend became misaligned and unnecessarily wide. I suspect the new filament grouping section. <details> <summary>Demo:</summary> | | Screenshots | |:-:|:-:| | Others | <img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/19c19823-c485-41fb-a5b2-9c7ef59a5db9" /> | | H2D | <img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/66b01d6e-25a4-4fda-ac51-691789a198bf" /> | </details> </details> *** ## ~~8. Flushing volumes window~~ [Fixed in #12694] <details> <summary>Description</summary> - The new window cannot be closed using Esc (which may be pretty annoying). - You can scroll the window content using touchpad in a weird way: <details> <summary>Demo</summary> https://github.com/user-attachments/assets/2565de5b-4bdb-41ca-be93-c49e1c8c1f60 </details> </details> *** ## ~~9. H2D filament grouping~~ [Fixed in #12693] <details> <summary>Description</summary> - The grouping window can not be closed using `Esc` - The plate grouping button is invisibly active and available for all other printers after switching to them: <details> <summary>Demo</summary> https://github.com/user-attachments/assets/cdc545a4-f0c7-4f75-acbc-90659ef5f2ad </details> </details> *** ## 10. Filament grouping is applied and forced to `Auto` for unsupported printers <details> <summary>Description</summary> Regular dual-nozzle printer profiles with configured `extruder_printable_area` rely on the model placement safety check. The problem here is that OrcaSlicer always assumes that the Bambu filament grouping mode is used in the printer and is set to "auto", but the grouping feature is not available for non-bambu printers. Thus, model placement is never verified (until I (ab)use another bug to change the Bambu grouping to manually set the extruder for slicing): https://github.com/user-attachments/assets/46e1bf16-d947-44d8-bb54-62c56e516eb1 Solution: filament grouping dialog (both the popup and plate button) and the entire grouping logic should be disabled for all printer profiles without MMUs (including H2D) and only enabled for multi-nozzle printers with connected MMUs. The initial popup dialog also shouldn't be displayed for these profiles unless painted material count exceeds the number of nozzles. 3MF: [Filament grouping + dual nozzle.zip](https://github.com/user-attachments/files/26153342/Filament.grouping.%2B.dual.nozzle.zip) </details> *** <h1 align="center">Ⅱ. Regressions/bugs in updated/new features</h1> ## 1. Lagging tool position/speed profile windows [Fix: #12707] <details> <summary>Description</summary> The speed profile menu and the main window don't update their size when moving layer slider using arrows and requires mouse movement for that https://github.com/user-attachments/assets/c0a36d2e-fb38-4141-9d9e-ee5526b8a910 [\[Internal ribs\] Bambu prime tower.zip](https://github.com/user-attachments/files/25826253/Internal.ribs.Bambu.prime.tower.zip) (you can test this at the last layer of the tower, or just slice a sphere with `arc fitting` enabled) </details> *** ## ~~2. Unable to close some notifications~~ [Fixed in #12689] <details> <summary>Description</summary> Unable to close some notifications in preview mode without additional actions https://github.com/user-attachments/assets/f7039610-6979-4e7e-8385-0ee50cc6f62c This notification is also affected: <img width="776" height="410" alt="Image" src="https://github.com/user-attachments/assets/56c33894-ed47-4012-bb01-d5e7caa8f99e" /> (probably a common issue for all stacked notifications) You can test these notifications using this 3MF: [\[Internal ribs\] Regular prime tower.zip](https://github.com/user-attachments/files/25826246/Internal.ribs.Regular.prime.tower.zip) </details> *** ## ~~3. Temperature mixing notifications~~ [Fixed in #12700] <details> <summary>Description</summary> The notifications reappear after clicking to the selected plate or attempting to move a single plate (should appear only after switching between different plates) https://github.com/user-attachments/assets/1400ba33-527b-411b-813a-e52f009b8a8d </details> *** ## ~~4. Incomplete support infill pattern warnings~~ [Fixed in: #12710] <details> <summary>Description</summary> We have the new notification for the regular supports (`The Lightning base pattern is not supported by this support type; Rectilinear will be used instead.`), but the `Hollow` pattern (shouldn't it be called "None"?) is also incompatible with regular supports and is silently replaced to Rectilinear without a notification: | | Lightning pattern | Hollow pattern (none) | |:-:|:-:|:-:| |Prepare| <img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/4d0a7afe-6097-4177-968c-660f639f71ed" /> | <img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/69d9b9e6-8dc1-40ce-b329-27b2bf45b3a2" /> | |Preview|<img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/ff25e5ca-6dc9-4ba9-95e6-6490d02d6636" />|<img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/d45422ec-bf7f-4b06-a8cc-95503a4db6dd" />| </details> *** ## ~~5. New localization issues~~ [Fixed in : #12773] <details> <summary>Description</summary> New manifestation of #6970 – the same `Flow rate` string is used now to describe both the Flow ~~rate~~ **ratio** calibration and the volumetric speed metrics of a line in Gcode preview: | Flow ratio | Flow rate (volumetric speed) | |:-:|:-:| | <img width="749" height="404" alt="Image" src="https://github.com/user-attachments/assets/199a43e6-e9c0-4833-95a0-730c1e30f25a" /> | <img width="404" height="159" alt="Image" src="https://github.com/user-attachments/assets/081b35f7-b0bf-492a-b13a-6423464c7a05" /> | This leads to inability to translate it correctly into languages where the `Flow` part in `Flow rate` and `Flow ratio` should be replaced with different translations according to the following `rate`/`ratio` context. I think the root problem here is a term misuse, and the proper fix for that is to rename the calibration section from `Flow rate` to `Flow ratio`. </details> *** ## ~~6. Zoom button tooltip~~ [Fixed in #12692] <details> <summary>Description</summary> The tooltip of the zoom button has a broken width calculation | Language | Screenshot | |:-:|:-:| | English | <img width="486" height="340" alt="Image" src="https://github.com/user-attachments/assets/21f369fc-64e7-4126-8541-1d209be2c116" /> | | Russian | <img width="206" height="201" alt="Image" src="https://github.com/user-attachments/assets/b195478b-1a9a-4dcc-81d4-7ecba654e843" /> | | Deutsch |<img width="637" height="526" alt="Image" src="https://github.com/user-attachments/assets/585871e9-3ce8-4cd8-8eae-bc4e90cd2778" />| | |I don't know how it decides to break the lines, but Deutsch suffers the most| </details> *** ## 7. `is_extruder_used` placeholder can't be used in Gcode header <details> <summary>Description</summary> The mentioned placeholder (and probably some others) is not available for use in the new Gcode header section for no apparent reason. This limits usability of this new feature for some IDEX/dual-nozzle printers that rely on header information from their proprietary software (for example, FlashForge Creator series). Example: ``` {if is_extruder_used[0]};left_extruder_temperature: {nozzle_temperature[0]}{endif} {if is_extruder_used[1]};right_extruder_temperature: {nozzle_temperature[1]}{endif} ``` <img width="763" height="111" alt="{387FAF2F-B751-4D9C-8C6D-4F737E1B2E75}" src="https://github.com/user-attachments/assets/446beb20-a780-41d0-82d4-f83529ee253c" /> </details> ***  <h1 align="center">Ⅲ. Regressions compared to 2.3.1</h1> 1. #12370 (fix: [#12265](https://github.com/OrcaSlicer/OrcaSlicer/pull/12265)) 2. #12444 (fix: [#12455](https://github.com/OrcaSlicer/OrcaSlicer/pull/12455)) 3. ~~#12449~~ (fixed in: [#12767](https://github.com/OrcaSlicer/OrcaSlicer/pull/12767)) 4. #12451 5. ~~#12556~~ (fixed in: [#12364](https://github.com/OrcaSlicer/OrcaSlicer/pull/12364)) 6. #11702 7. #12704 (fix: [#12856](https://github.com/OrcaSlicer/OrcaSlicer/pull/12856)) 8. #12823 (fix: [#12834](https://github.com/OrcaSlicer/OrcaSlicer/pull/12834)) 9. Spiral z-hop and 5mm retract are forcefully applied when changing material (ignoring the settings) <details> <summary>Description</summary> Project file: [#12731.zip](https://github.com/user-attachments/files/26048528/12731.zip) | 2.3.1 | 2.3.2 | |:-:|:-:| |<img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/b39e560c-f374-4b2c-ada8-524be9bd968f" />|<img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/9335b1a6-3916-4513-8fad-3452ce8b9f32" />| </details> 10. Zero flushing volume warning is displayed for single-material parts <details> <summary>Description</summary> Project file: [lamp v2.2.zip](https://github.com/user-attachments/files/26048475/lamp.v2.2.zip) | 2.3.1 | 2.3.2 | |:-:|:-:| |<img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/08784a4f-58ab-43bc-be18-1056ec0f8dbf" />|<img width="2560" height="1516" alt="Image" src="https://github.com/user-attachments/assets/8ce4a7f4-8c4d-40b5-af55-ec5e63aaab4c" />| </details> 11. One of the Machine Gcode sections is randomly halved in height <details> <summary>Description</summary> In 2.3.2, after some actions, height of one of the printer G-code sections become 2 times smaller, which makes it very difficult to work with the code. The weird thing is that the bug randomly affects only one of the sections at a time, and the bug "selects" a new section to change after some additional actions (like changing a tab or creating a new project). This bug was introduced in 2f2f0df. | 2.3.1 | 2.3.2 | |:-:|:-:| |<img width="1259" height="1015" alt="Image" src="https://github.com/user-attachments/assets/638f13fd-803d-47ef-a501-208061eee28d" />|<img width="1260" height="1019" alt="Image" src="https://github.com/user-attachments/assets/2795f555-7dde-4a72-8389-2cac1de5c1b1" />| How to reproduce: 1. Open a new OrcaSlicer instance 2. Create a new empty project 3. Open printer profile settings 4. Go to Machine G-code 5. See that the 1st field height is only 4 strings 6. Go to Notes and see the same 7. Return back to the G-code tab and see that the height of the field has changed 8. Scroll a bit and find another randomly shrinked field Demonstration: https://github.com/user-attachments/assets/57eec9ca-f7fb-4e51-9fed-24f1fc8350ed I couldn't reproduce the issue in 2.3.1 and a previous commit (cca8dc9). </details> 12. Prepare/preview frame shifts upwards/downwards during the mouse/keyboard activity <details> <summary>Description</summary> The window is constantly shifted during the work process. Also happens when pressing Alt and some other buttons. This annoying problem hasn't been presented in 2.3.1. For some reason, OBS can't record this window movement, so here's the recording from camera: https://github.com/user-attachments/assets/ba9f4e48-7375-45ee-88ae-13b9b3d710f5 </details>

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Reference: github/OrcaSlicer#402

	Bambu printers	Regular printers
Enabled
Disabled
3MF	[Skip points] Bambu prime tower.zip	[Skip points] Regular prime tower.zip

H2D	Other printers

[Ironing] H2D prime tower.zip	[Ironing] Others prime tower.zip

[Tracking issue] Regressions in OrcaSlicer 2.3.2 Release #402

Ⅰ. New ports from Bambu Studio

1. BambuStudio warning header [Fixed in #12696]

2. Adaptive flowrate [Fixed in #12688]

3. Prime tower improvements don't work [attempt to fix: #12782]

4. Internal ribs [attempt to fix: #12742]

5. Issues with Wiki links in the ported GUI elements [1/4 fixed]

6. Broken encoding in the OBJ import [Fixed in #12698]

7. Filament view mode with H2D

8. Flushing volumes window [Fixed in #12694]

9. H2D filament grouping [Fixed in #12693]

10. Filament grouping is applied and forced to Auto for unsupported printers

Ⅱ. Regressions/bugs in updated/new features

1. Lagging tool position/speed profile windows [Fix: #12707]

2. Unable to close some notifications [Fixed in #12689]

3. Temperature mixing notifications [Fixed in #12700]

4. Incomplete support infill pattern warnings [Fixed in: #12710]

5. New localization issues [Fixed in : #12773]

6. Zoom button tooltip [Fixed in #12692]

7. is_extruder_used placeholder can't be used in Gcode header

Ⅲ. Regressions compared to 2.3.1

1. `BambuStudio warning` header [Fixed in #12696]

10. Filament grouping is applied and forced to `Auto` for unsupported printers

7. `is_extruder_used` placeholder can't be used in Gcode header