Octane Viewport Issues?

Sub forum for bug reports
Forum rules
Before posting a bug report, please check the following:
1. That the issue has not already been disclosed
2. That the issue is specific to this plugin, and not Octane in general (Try reproducing it in Standalone)
Bugs related to the Octane Engine itself should be posted into the Standalone Support sub-forum.


All bug reports should include the information below, along with a detailed description of the issue and steps to reproduce it.
A. Operating System, including version (i.e. Win 7, OSX 10.11.2, Ubuntu 14.04, etc.)
B. Graphics Card(s) model (i.e. GTX 580 - 3GB, TITAN, etc.)
C. RAM Capacity (i.e. 6 GB)
D. Nvidia driver version (i.e. 7.50, 7.5.22)
E. OctaneRender Standalone version, if installed (i.e. 2.24.2, 2.23, etc.)
F. OctaneRender plugin version (i.e. v2.25 - 2.21)
G. Host application version, including build number if available (i.e. 3ds Max 2016 Build 18.0)
dinosgr
Licensed Customer
Posts: 69
Joined: Mon Jul 28, 2025 1:48 pm

It's ok, not a work breaking for me, but I thought it was working as I try it in modo, and works.

Thank you
Last edited by dinosgr on Wed Aug 12, 2026 6:12 pm, edited 1 time in total.
Gutmann
Licensed Customer
Posts: 28
Joined: Wed May 19, 2021 5:17 am

Lino,
I've just updated from Blender 4.5.5 to 5.2 with Octane 31.10

PLEASE, pretty please, with sugar on top, fix this!

The 'Show Octane Viewport' button is used exclusively here, to be able to QUICKLY view our AOV's and then save out Layered EXR's, with cryptomattes, WITHOUT having to do things twice (i.e. previewing and then doing a full F12 Render just to save the image).
The latter also introduces a whole host of other issue for further work downstream eg: no thumbnail for the rendered image in explorer.

At the moment the Octane Render Viewport is broken, almost unusable.....Pan around the image, it hangs, Zoom the image, it hangs, switch among the AOV's at the bottom, it hangs; and the Octane Render Viewport no longer seems to sync to the Blender viewport when moving the camera around the scene....Constantly having to close and reopen the window is annoying.

The above was NEVER the case with 4.5.5 and Octane 30.9.

Cheers,
Toby
linograndiotoy
OctaneRender Team
Posts: 1534
Joined: Thu Feb 01, 2018 7:10 pm

Hi Toby,

thanks for the detailed report. We’ll definitely look into the issues with the Octane Render Viewport and try to address the regressions you’re seeing compared to Blender 4.5.5 / Octane 30.9.

Personally, I’d really like the Octane Viewport to become much better integrated into Blender’s normal workflow, rather than behaving as a somewhat separate environment. I think that would make AOV previewing, saving EXRs, camera navigation and the overall workflow much more natural.

However, achieving that properly would require some fairly substantial changes on our side, so it’s not something we can implement quickly and it will take some time.

In the meantime, we’ll focus on fixing the current viewport problems and making the existing workflow reliable again.

Cheers,
Lino
Gutmann
Licensed Customer
Posts: 28
Joined: Wed May 19, 2021 5:17 am

Thanks Lino,

looking forward to seeing what you can do.

Cheers,
Toby
linograndiotoy
OctaneRender Team
Posts: 1534
Joined: Thu Feb 01, 2018 7:10 pm

We'll do our best. Please consider that this goes deep into the engine, so it may require some time. Thanks for your patience.
Gutmann
Licensed Customer
Posts: 28
Joined: Wed May 19, 2021 5:17 am

Lino,

Understood...i'll stick with 4.5.5 and 30.11 for now.

Cheers,
Toby
ChrisHekman
OctaneRender Team
Posts: 1147
Joined: Wed Jan 18, 2017 3:09 pm

Gutmann wrote: Wed Aug 12, 2026 11:56 am Lino,
I've just updated from Blender 4.5.5 to 5.2 with Octane 31.10

PLEASE, pretty please, with sugar on top, fix this!

The 'Show Octane Viewport' button is used exclusively here, to be able to QUICKLY view our AOV's and then save out Layered EXR's, with cryptomattes, WITHOUT having to do things twice (i.e. previewing and then doing a full F12 Render just to save the image).
The latter also introduces a whole host of other issue for further work downstream eg: no thumbnail for the rendered image in explorer.

At the moment the Octane Render Viewport is broken, almost unusable.....Pan around the image, it hangs, Zoom the image, it hangs, switch among the AOV's at the bottom, it hangs; and the Octane Render Viewport no longer seems to sync to the Blender viewport when moving the camera around the scene....Constantly having to close and reopen the window is annoying.

The above was NEVER the case with 4.5.5 and Octane 30.9.

Cheers,
Toby
Is there a specific scene you are working with that has these issues? If so, could you share it with us?
Gutmann
Licensed Customer
Posts: 28
Joined: Wed May 19, 2021 5:17 am

Hi Chris,

I'll try some other scenes to see of it's specific to one or more...if I find something, I'll send you the offending scene early next week.

Cheers
-Toby
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