* ccache now ignores unknown keys in configuration files.
+* Rearranged command-line options into sections in the help text.
+
+* Documented the previously undocumented `--dump-manifest` option (only useful
+ for debugging ccache itself).
+
+* Added missing documentation for the command-line option `-k/--get-config`
+ added in ccache 3.5.
+
+* Renamed the `--print-config` command to `--show-config`.
+
+* Added a new `--print-stats` command that prints statistics counters in
+ machine-parsable (tab-separated) format.
+
ccache 3.6
----------