
in no particular order:

make sure $r->read* problems are solved

find a good solution to installing the Perl side of mod_perl
when no apache source tree is present

timeout handling

Apache::Registry should parse command line if present in scripts
e.g. #!/usr/local/bin/perl -w

figure out ErrorDocument + $r->status problem

Apache::DBI module for managing persistent database connections

provide an optional and configurable Safe wrapper around embedded scripts

more tests for the test suites

clean up lousy examples