New directives allow the default start and end tags for SSI elements to be changed and allow for error and time format configuration to take place in the main configuration file rather than in the SSI document.
Results from regular expression parsing and grouping (now based on Perl's regular expression syntax) can be retrieved using mod_include's variables $0 .. $9.
The modjk module provides better support for SSL. Also, Tomcat supports many web servers through a compatibility layer named the jk library. The layered approach provided by the jk library makes it easier to support both Apache2.0.xApache and Apache2.x.