Adding changelog

Signed-off-by: Pedro Tanaka <[email protected]>

CHANGELOG.md

@@ -27,6 +27,8 @@ We use *breaking :warning:* to mark changes that are not backward compatible (re
 - [#6984](https://github.com/thanos-io/thanos/pull/6984) Store Gateway: Added `--store.index-header-lazy-download-strategy` to specify how to lazily download index headers when lazy mmap is enabled.
 
 - [#6887](https://github.com/thanos-io/thanos/pull/6887) Query Frontend: *breaking :warning:* Add tenant label to relevant exported metrics. Note that this change may cause some pre-existing custom dashboard queries to be incorrect due to the added label.
+- [#7028](https://github.com/thanos-io/thanos/pull/7028): Query Frontend: Add new `--query-frontend.enable-x-functions` flag to enable experimental extended functions.
+- [#7028](https://github.com/thanos-io/thanos/pull/7028): Query: Add new `--query.enable-x-functions` flag to enable experimental extended functions.
 
 ### Changed
 

cmd/thanos/query.go

@@ -102,7 +102,7 @@ func registerQuery(app *extkingpin.App) {
 
 	defaultEngine := cmd.Flag("query.promql-engine", "Default PromQL engine to use.").Default(string(apiv1.PromqlEnginePrometheus)).
 		Enum(string(apiv1.PromqlEnginePrometheus), string(apiv1.PromqlEngineThanos))
-	extendedFunctionsEnabled := cmd.Flag("query.xfunctions-enabled", "Whether to enable extended rate functions (xrate, xincrease and xdelta).").Default("false").Bool()
+	extendedFunctionsEnabled := cmd.Flag("query.enable-x-functions", "Whether to enable extended rate functions (xrate, xincrease and xdelta).").Default("false").Bool()
 	promqlQueryMode := cmd.Flag("query.mode", "PromQL query mode. One of: local, distributed.").
 		Hidden().
 		Default(string(queryModeLocal)).