EDIT Transition was successful. Post was mostly for info. end edit
Perl 5.24 will start appearing in testing in a few days (4-5?)
https://release.debian.org/transitions/html/perl5.24.html
And an upgrade will happen for LXQT going from 0.10 to 0.11 That will be much easier. Also in about 5 days.
http://lxqt.org/release/2016/09/24/lxqt-011-et-al/