Hi Luis, As a generality I’d start by closely reading the error messages you see. You haven’t said which tests started failing, so I assume it’s a library that uses PDL::FFTW3 (Photonic?). Whenever you switch lib (or indeed Perl version), you’d need to re-run a build, because your Perl is now different. Unfortunately, the tools don’t really exist to automatically spot that, and I’d suggest the only “solution” would be just to be aware of that as a possibility as soon as you see errors of things related to libraries failing to load, and immediately try rebuilding whichever project is showing the errors.
Best regards, Ed
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