Add changelog for v1.6.0 (#3327)

* Add changelog for v1.6.0

* Update docs/sources/release-notes/v1-6.md

---------

Co-authored-by: Kim Nylander <[email protected]>

Author: simonswine

docs/sources/release-notes/v1-6.md

@@ -0,0 +1,52 @@
+---
+title: Version 1.6 release notes
+menuTitle: V1.6
+description: Release notes for Grafana Pyroscope 1.6
+weight: 600
+---
+
+# Version 1.6 release notes
+
+We are excited to present Grafana Pyroscope 1.6.
+
+This release focuses on improving stability and performance to make Pyroscope more reliable and faster.
+
+Notable changes are listed below. For more details, check out the Full 1.6.0 Changelog: https://github.com/grafana/pyroscope/compare/v1.5.0...v1.6.0.
+
+### Improvements and updates
+
+Version 1.6 includes the following improvements and updates:
+
+* eBPF: Allow resizing maps (https://github.com/grafana/pyroscope/pull/3181)
+* Performance: optimize tree node insertion (https://github.com/grafana/pyroscope/pull/3105)
+* Performance: tune row iterator buffer size (https://github.com/grafana/pyroscope/pull/3266)
+* Compactor: Add a compactor rewriter LRU cache (https://github.com/grafana/pyroscope/pull/3165)
+* Helm: Add HPA Support for all Pyroscope components (https://github.com/grafana/pyroscope/pull/3157)
+* API: Call for exposing query analysis (https://github.com/grafana/pyroscope/pull/3276)
+* API: Use custom codec for vtproto within connect-go (https://github.com/grafana/pyroscope/pull/3310)
+* Config: Add S3 force-path-style parameter (https://github.com/grafana/pyroscope/pull/3158)
+* Config: Add flag to disable printing banner (https://github.com/grafana/pyroscope/pull/3123)
+
+
+## Fixes
+
+Version 1.6 includes the following fixes:
+
+* Fix bug in query frontend diff handling (https://github.com/grafana/pyroscope/pull/3315)
+* Fix panic when dealing with missing mapping ID (https://github.com/grafana/pyroscope/pull/3188)
+* Fix empty string handling in pprof (https://github.com/grafana/pyroscope/pull/3204, https://github.com/grafana/pyroscope/pull/3244)
+* Fix panic recovery interceptor (https://github.com/grafana/pyroscope/pull/3246)
+* Fix pprof merge profiles ignoring sample type stub (https://github.com/grafana/pyroscope/pull/3198)
+* eBPF: Fix issue when a cls arg is a cell (https://github.com/grafana/pyroscope/pull/3280)
+* eBPF: handle case when self is put in cell (https://github.com/grafana/pyroscope/pull/3284)
+
+
+## Documentation improvements
+
+Version 1.6 includes the following documentation updates:
+
+* Add changes from Cloud Profiles UI to OSS docs (https://github.com/grafana/pyroscope/pull/3243)
+* Add links to supported profile types in SDKs (https://github.com/grafana/pyroscope/pull/3228)
+* Add note for Agent to Alloy to docs (https://github.com/grafana/pyroscope/pull/3201, https://github.com/grafana/pyroscope/pull/3272)
+* Add Pyroscope landing page for doc (https://github.com/grafana/pyroscope/pull/3176)
+* Update screenshots in Pyroscope UI (https://github.com/grafana/pyroscope/pull/3234)