request headers earlier. Adds "MergeTrailers" directive to restore
legacy behavior. [Edward Lu, Yann Ylavic, Joe Orton, Eric Covener]
+ *) event: Update the internal "connection id" when requests
+ move from thread to thread. Reuse can confuse modules like
+ mod_cgid. PR 57435. [Michael Thorpe <mike gistnet.com>]
+
*) mod_proxy_fcgi: Remove proxy:balancer:// prefix from SCRIPT_FILENAME
passed to fastcgi backends. [Eric Covener]