Project:Perl/5.26 Known Issues

Global Deprecations / Breakages

 * [build, runtime] Library path loading changes break many  things: Project:Perl/Dot-In-INC-Removal
 * [build, runtime] Deprecation of unescaped  in Regexp breaks many things.
 * [build] Changes in Perl internals breaks code around OP_SIBLING/OP_PARENT ( Changed in Perl 5.22 via option, default in 5.26 )
 * [runtime] Removal of tmpname from POSIX causes some issues.
 * [runtime] Lexical encoding support has been removed