Cut v1.15.0 (#1249)

Signed-off-by: bwplotka <bwplotka@gmail.com>

.gitignore

@@ -26,3 +26,5 @@ vendor/
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
+
+.idea

CHANGELOG.md

@@ -1,5 +1,24 @@
 ## Unreleased
 
+## 1.15.0 / 2023-04-13
+
+## What's Changed
+
+* [BUGFIX] Fix issue with atomic variables on ppc64le #1171
+* [BUGFIX] Support for multiple samples within same metric #1181
+* [BUGFIX] Bump golang.org/x/text to v0.3.8 to mitigate CVE-2022-32149 #1187
+* [ENHANCEMENT] Add exemplars and middleware examples #1173
+* [ENHANCEMENT] Add more context to "duplicate label names" error to enable debugging #1177
+* [ENHANCEMENT] Add constrained labels and constrained variant for all MetricVecs #1151
+* [ENHANCEMENT] Moved away from deprecated github.com/golang/protobuf package #1183
+* [ENHANCEMENT] Add possibility to dynamically get label values for http instrumentation #1066
+* [ENHANCEMENT] Add ability to Pusher to add custom headers #1218
+* [ENHANCEMENT] api: Extend and improve efficiency of json-iterator usage #1225
+* [ENHANCEMENT] Added (official) support for go 1.20 #1234
+* [ENHANCEMENT] timer: Added support for exemplars #1233
+* [ENHANCEMENT] Filter expected metrics as well in CollectAndCompare #1143
+* [ENHANCEMENT] :warning: Only set start/end if time is not Zero. This breaks compatibility in experimental api package. If you strictly depend on empty time.Time as actual value, the behavior is now changed #1238
+
 ## 1.14.0 / 2022-11-08
 
 * [FEATURE] Add Support for Native Histograms. #1150

VERSION

@@ -1 +1 @@
-1.14.0
+1.15.0