Add release notes for v1.5 (#3120)

* Add release notes for v1.5

* Improve wording

* Remove irrelevant release notes

* Make release notes in line with GH release

docs/sources/release-notes/v1-4.md

@@ -2,14 +2,14 @@
 title: Version 1.4 release notes
 menuTitle: V1.4
 description: Release notes for Grafana Pyroscope 1.4
-weight: 750
+weight: 700
 ---
 
 # Version 1.4 release notes
 
 We are excited to present Grafana Pyroscope 1.4.
 
-This release includes several new features will are precursors to larger projects like:
+This release includes several new features which are precursors to larger projects like:
 
 * Adhoc profiling
 * Time series scoped to a flamegraph function
@@ -23,7 +23,7 @@ Notable changes are listed below. For more details, check out the Full 1.4.0 Cha
 
 Features and enhancements for version 1.4 include:
 
-* Adhoc profiles API (#2963)
+* Adhoc profiles API ([#2963](https://github.com/grafana/pyroscope/pull/2963))
 * Add query-tracer to profilecli ([#2966](https://github.com/grafana/pyroscope/pull/2966))
 * Add ServiceMonitor support to Helm chart ([#2944](https://github.com/grafana/pyroscope/pull/2944), [#2929](https://github.com/grafana/pyroscope/pull/2929), [#2967](https://github.com/grafana/pyroscope/pull/2967))
 * Scope time series to flamegraph node API ([#2961](https://github.com/grafana/pyroscope/pull/2961))

docs/sources/release-notes/v1-5.md

@@ -0,0 +1,45 @@
+---
+title: Version 1.5 release notes
+menuTitle: V1.5
+description: Release notes for Grafana Pyroscope 1.5
+weight: 650
+---
+
+# Version 1.5 release notes
+
+We are excited to present Grafana Pyroscope 1.5.
+
+This release focuses on improving stability and interoperability to make Pyroscope more reliable and easier to use.
+
+Notable changes are listed below. For more details, check out the Full 1.5.0 Changelog: https://github.com/grafana/pyroscope/compare/v1.4.0...v1.5.0.
+
+### Improvements and updates
+
+Version 1.5 includes the following improvements and updates:
+
+* Repair Go stack traces ([#3014](https://github.com/grafana/pyroscope/pull/3014))
+* eBPF: Aggregate python stacks in kernel space instead of user space ([#2996](https://github.com/grafana/pyroscope/pull/2996))
+* eBPF: Propagate PID namespace to kernel space ([#3008](https://github.com/grafana/pyroscope/pull/3008))
+* eBPF: Run tests on many kernels ([#3025](https://github.com/grafana/pyroscope/pull/3025))
+* eBPF: Add support for more Python versions ([#3035](https://github.com/grafana/pyroscope/pull/3035))
+* Improve trace span propagation in streaming requests ([#2992](https://github.com/grafana/pyroscope/pull/2992))
+* Drop type params from Go function names ([#3010](https://github.com/grafana/pyroscope/pull/3010))
+* Disable vt proto pools ([#3034](https://github.com/grafana/pyroscope/pull/3034))
+* Allow running multiple rideshare examples in the same network namespace ([#2990](https://github.com/grafana/pyroscope/pull/2990))
+
+## Fixes
+
+Version 1.5 includes the following fixes:
+
+* Wait for ongoing queries to finish at close ([#3030](https://github.com/grafana/pyroscope/pull/3030))
+* Fix data duplication in the read path (#3100, [#3103](https://github.com/grafana/pyroscope/pull/3103))
+* Fix merging of empty pprof samples ([#3031](https://github.com/grafana/pyroscope/pull/3031))
+* Correctly format makefile help rule ([#3021](https://github.com/grafana/pyroscope/pull/3021))
+
+## Documentation improvements
+
+Version 1.5 includes the following documentation updates:
+
+* Reorganize examples folder to match documentation structure ([#3026](https://github.com/grafana/pyroscope/pull/3026))
+* Update Configure the client and span profiles doc ([#3028](https://github.com/grafana/pyroscope/pull//3028))
+* Improve intro and span profiles docs ([#3089](https://github.com/grafana/pyroscope/pull/3089), [#3099](https://github.com/grafana/pyroscope/pull/3099))