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  VS Arduino › Visual Micro › Visual Studio 2019, 2022, 2026 › Arduino 1.8.19 and VS2026 and Visualmicro
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Hot Topic (More than 8 Replies) Arduino 1.8.19 and VS2026 and Visualmicro (Read 362 times)
BeagleBot
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Arduino 1.8.19 and VS2026 and Visualmicro
Jan 26th, 2026 at 9:47pm
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Hello, I have a long code that wil compile in Arduino 1.8.19 but in VS2026 with the last version of visualmicro the compling is every time white a lot of errors It give 99+ errors but the code is good.
and working. It's a LOLIN D32 PRO the libraries are find by VS2026 My question is the LOLIN D32 Pro supported by visualmicro?
  
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Simon@Visual Micro
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Re: Arduino 1.8.19 and VS2026 and Visualmicro
Reply #1 - Jan 27th, 2026 at 9:39am
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Thanks for the report.

Can you attach the complete build output from a build with the below options enabled?
  • vMicro > Compiler > Verbose
  • vMicro > Compiler > Show Build Properties


If you could attach a screenshot showing the whole IDE with some of the error examples as well it will help us investigate.
« Last Edit: Jan 27th, 2026 at 10:41am by Simon@Visual Micro »  
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BeagleBot
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Re: Arduino 1.8.19 and VS2026 and Visualmicro
Reply #2 - Jan 27th, 2026 at 7:28pm
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I have upload a screenshot and a build log file
  
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BeagleBot
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Re: Arduino 1.8.19 and VS2026 and Visualmicro
Reply #3 - Jan 27th, 2026 at 7:28pm
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log file
  
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BeagleBot
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Re: Arduino 1.8.19 and VS2026 and Visualmicro
Reply #4 - Jan 27th, 2026 at 8:43pm
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add full log file with deep scanning
  
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Simon@Visual Micro
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Re: Arduino 1.8.19 and VS2026 and Visualmicro
Reply #5 - Jan 28th, 2026 at 10:15am
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Thanks for the information.

Can you:-
1) switch to the Release Build Configuration in Visual Studio and try building again? (this will disable the Serial Debugger which is not present in Arduino IDE).
2) Try changing the Solution Platform from x64 to ARM64
3) If the same compiler error exists temporarily disable the vMicro > Compiler > High Speed Parallel Builds and try building again?

If you could also attach the output from the Arduino IDE where the same code compiles with the File > Preferences > Verbose Output During Compile enabled it will help us to compare the two further.
  
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BeagleBot
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Re: Arduino 1.8.19 and VS2026 and Visualmicro
Reply #6 - Jan 28th, 2026 at 8:03pm
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Log take 16 minuts to finish
  
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BeagleBot
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Re: Arduino 1.8.19 and VS2026 and Visualmicro
Reply #7 - Jan 28th, 2026 at 8:05pm
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Also 16 minuts to finish but compile complete
  
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BeagleBot
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Re: Arduino 1.8.19 and VS2026 and Visualmicro
Reply #8 - Jan 28th, 2026 at 8:07pm
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Arduino IDE 2.3.7 compile in 1 minute.
way take it so long with VS2026 and visualmicro?
  
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Re: Arduino 1.8.19 and VS2026 and Visualmicro
Reply #9 - Jan 29th, 2026 at 2:16pm
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Thanks for this, if it is built again in Visual Micro it will be faster as the Arduino IDE is. The reason the build time appears to have reset is the change in build configuration.

The Arduino IDE (and your Debug build in Visual Micro) are both cached already so only the changes are built.

We will look into why the file lock issue exists with parallel builds enabled as it shouldn't be an issue.
  
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