I'm using perlbrew, recently installed 5.42 using "perlbrew install stable". Now some programs don't work any more. For example, the error message says the version doesn't match for XS.c. How do you find out which module it means? 
perl -E 'use namespace::clean'
Perl API version v5.40.0 of XS.c does not match v5.42.0

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perl -v

This is perl 5, version 42, subversion 0 (v5.42.0) built for x86_64-li
+nux

Copyright 1987-2025, Larry Wall

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i tried looking in ~/.cpan/work to find a XS.c file, found one in the build for List::MoreUtils::XS. try to get cpanm to install List::MoreUtils and it provides the error as the reason it can't install: 
Checking whether perlapi is accessible... Perl API version v5.40.0 of 
+XS.c does not match v5.42.0-> N/A
-> FAIL Configure failed for List-MoreUtils-0.430.

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In reply to how do you determine which module needs to be updated while using perlbrew? by Anonymous Monk

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