CHANGELOG.md in benchmark_driver-0.15.17 vs CHANGELOG.md in benchmark_driver-0.15.18

@@ -1,4 +1,8 @@
+# v0.15.18
+
+- Mention `--output=all` in help
+
 # v0.15.17
 
 - Jobs returned from job parsers are made mutable for plugins
 
 # v0.15.16