Hello, The latest WIP resets the UI. Trying to reload my backup but resets again after restart. All toolbars are empty, never had this before. Anyone having this problem ? Can also someone share the default rui file - just to check again ? Rhino 9 SR0 2026-1-20 (Rhino WIP, 9.0.26020.12305, Git ha…

Nevermind.. Just resetted and I will do the customizations again. Still not sure what is the problem though :thinking: A bug or something ?

Hi Can - [image] ACAN: A bug or something ? That is not entirely unlikely. The toolbar system is being overhauled but that front-end is not yet exposed to users. Please just keep posting things that you run into. -wim

[image] My custom toolbar has been emptied Serengeti (Rhino WIP) I will of course look into this immediately, I’m so sorry for the issues caused and really appreciate the report. YouTrack → RH-91628 RUIs and customizations get reset in the WIP

I can customize the MMB popup menu as expected but it keeps getting to the default after restarting Rhino. The other UI elements are saved after customization (toolbars, panels etc.) but popup resets itself

[image] My custom toolbar has been emptied Serengeti (Rhino WIP) I’ve created a fix which I’ll get released ASAP. The issue was to do with the rui file paths, they were wrong. It’s possible your customisations may not have been lost but Rhino simply looked in …

[image] My custom toolbar has been emptied Serengeti (Rhino WIP) I’ve resolved this bug and it’s in a new release that just went out a few minutes ago. Please update to the latest and the bug should be solved. If you didn’t do a reset, it’s possible your custo…

WIP 9.0.26020.12305, 2026-01-20 reset UI

Serengeti (Rhino BETA)

CallumSykes (Callum Sykes) January 21, 2026, 4:13pm 6

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My custom toolbar has been emptied Serengeti (Rhino BETA) windows	9	181	January 22, 2026
Version 9 WIP (9.0.26021.12306, 2026-01-21) Custom Toolbar is empty Mac mac , wip , toolbar	13	187	January 23, 2026
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WIP 9.0.26020.12305, 2026-01-20 reset UI

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