How do I use the MATLAB Compiler to create a compiled component and run it with an older version of the MATLAB Compiler Runtime (MCR)?

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MathWorks Support Team
回答： Image Analyst 2022-4-27
I would like to be able to execute my compiled code with previous versions of MCR. I would also like to know if an application compiled with an older version of the MATLAB Compiler will run with a newer MCR.

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MathWorks Support Team
编辑：MathWorks Support Team 2022-4-27
The runtime libraries that initialize during runtime of MATLAB Compiled components are versioned so that there can be side by side installations of different versions of the MCR on one machine. Therefore, components compiled with one version of the MATLAB Compiler are only compatible with the MCR derived from the same version of MATLAB.
This also applies to all products that are dependent on the MATLAB Compiler, such as MATLAB Builder NE, MATLAB Builder JA, MATLAB Builder EX, etc.

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Image Analyst
Image Analyst 2022-4-27
If you're using a newer version of MATLAB, you may be using a MATLAB function that did not exist yet in the older run-time library you'd like to use. Therefore you need to use the matching run-time library to make sure all your functions will be able to run. Likewise, some functions are removed.
For example let's say your code uses groupsummary() which was introduced in r2018a. If you compiled and deployed your program, and tried to use an MCR run-time library from r2017b, it would not be able to find groupsummary() so your program would not be able to run properly. For that reason you need to install a matching MCR.

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