2.4.x patch: trunk patch applies if previous proposals for ap_expr get applied.
+1: rjung, minfrin
+ * log: use ap_log_error's facility to print the apr error string
+ instead of calling apr_strerror() explicitly
+ trunk patches: https://svn.apache.org/r1463052
+ 2.4.x patch: trunk patch works
+ +1: jailletc36
+
+ * various: Use %pm available since apr 1.3 instead of an extra call to apr_strerror
+ trunk patches: https://svn.apache.org/r1463056
+ 2.4.x patch: trunk patch works (with offset)
+ +1: jailletc36
+
+ * mod_auth_digest: 3 easy votes to keep in line with trunk
+ simplification with ap_bin2hex()
+ + use apr_array for an array
+ + ap_log_error already logs the error string, no need to log it twice
+ trunk patches: https://svn.apache.org/r1458020
+ https://svn.apache.org/r1463044
+ https://svn.apache.org/r1463045
+ 2.4.x patch: trunk patch works
+ +1: jailletc36
+
A list of further possible backports can be found at:
http://people.apache.org/~rjung/patches/possible-backports-httpd-trunk-2_4.txt