Custom toolbars made in IL 2025 do not transfer over to IL 2025 Beta when opening the workspace.
I have both Illustrator 2025 and 2025 beta installed side by side. I am pretty religious when it comes to toolbar customization, but unfortunately it appears that you can't transfer a custom toolbar between IL 2025 and 2025 Beta. From what I understand, toolbars are saved in the workspace file. But when copying my workspace over from IL 2025 to the 2025 beta folder, the toolbar I spent so long to create doesn't get transferred over.
I am copying from "C:\Users\username\AppData\Roaming\Adobe\Adobe Illustrator 29 Settings\enUS\x64\Workspaces" to
"C:\Users\username\AppData\Roaming\Adobe\Adobe Illustrator 29.7.0 Beta Settings\enUS\x64\Workspaces"
Is there any way that a custom toolbar can be shared between 2025 and the 2025 beta?
Is this a bug, or working as intended?
Thanks for any help.

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Joseph, Toolbars are saved in their own file, separately form workspace ones.
Try to locate 'Tools Panel Presets' file (easy to do with amazing Everything Search on Windows, but it should be somewhere here: C:\Users\[username]\AppData\Roaming\Adobe\Adobe Illustrator 29.7.0 Beta Settings\en_US\x64\Tools — the folder differs based on your configuration)
So when transferring these settings, make sure you copy both files.
Please comment back if it solves this!