What is the supported compiler for Simulink Real-Time in R2020b onwards?

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MathWorks Support Team 2021-9-6

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编辑： MathWorks Support Team 2025-8-28

My team is migrating to MATLAB R2020b. In the past, we have needed a specific version of Visual Studio as the compiler for using Simulink Real-Time (SLRT) as per the release-specific Supported Compilers page:

https://www.mathworks.com/support/requirements/previous-releases.html

However, for R2020b and beyond, I do not see a call-out in the documentation for supported compilers for SLRT.

What compilers are supported for SLRT in MATLAB R2020b onwards?

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Answer 1

MathWorks Support Team 2025-8-28

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As of R2020b, SLRT only supports one compiler, the QNX Neutrino C/C++ compiler. This compiler is included with the "Simulink Real-Time Target Support Package". You can install it using Add-On Explorer, or from MathWorks File Exchange using the link below:

https://www.mathworks.com/matlabcentral/fileexchange/76387-simulink-real-time-target-support-package

Because SLRT underwent major changes starting in R2020b, please see the below release note for the compiler information as well as other compatibility information:

https://www.mathworks.com/help/slrealtime/release-notes.html?rntext=%22Functionality+Being+Removed+or+Changed%22&startrelease=R2020b&endrelease=R2020b