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[Bug]: Error when Attempting to upgrade to Ultimate 105.26.7.201 #610
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Hi @MattH-Work
Please can you try the latest canary, as the focus on this topic is going towards V110 and higher?
completely fresh solution ( VB, DotNET 4.8, single blank form )
The latest nightly build works for me; no errors.
Reacted by Peter WagnerThe latest nightly build works for me; no errors.
Fixes will be for V110+ only, as it has proven very difficult to sort out.
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on Jul 26, 2026 - linked a pull request that will close this issue* Resolve #610: Fix Ultimate packaging and dependencies #612
on Jul 26, 2026 During my last attempt, I merely tested whether Ultimate.Nightly could be integrated without issues. However, I forgot to create a simple WinForm. I have since done so, only to discover that the program threw an exception, as reported by Visual Studio. The application did not display a GUI and terminated automatically.
During my last attempt, I merely tested whether Ultimate.Nightly could be integrated without issues. However, I forgot to create a simple WinForm. I have since done so, only to discover that the program threw an exception, as reported by Visual Studio. The application did not display a GUI and terminated automatically.
Hi @mjohne
Thanks for your reply, I just tested on a fresh project but can't replicate the issue. For existing projects, I'd suggest removing existing packages/binaries, then installing the nightly version to eliminate any possible conflicts.
In the case I described above, I had indeed set up a new project.
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on Jul 30, 2026
Describe the bug
Still cannot upgrade FROM Toolkit & Navigator 90.25.2.55 , Extended 85.24.10.288 TO 105.26.7.201
To Reproduce
Upgrade via Nuget
Expected behavior
Toolkit & Navigator update as expected, Ultimate throws error
Screenshots
Desktop (please complete the following information):
Additional context
Ultimate toolkit install fails on newly created DOT Net 4.7, 4.72, 4.8, 4.8.1 VB solutions ( DOT Net 10 work as expected )