diff --git a/CHANGELOG/CHANGELOG-r1.md b/CHANGELOG/CHANGELOG-r1.md
index c9716a8..399eec2 100644
--- a/CHANGELOG/CHANGELOG-r1.md
+++ b/CHANGELOG/CHANGELOG-r1.md
@@ -2,6 +2,7 @@
 
 <!-- TOC:START -->
 ## Table of Contents
+- [r1.6](#r16)
 - [r1.5](#r15)
 - [r1.4](#r14)
 - [r1.3](#r13)
@@ -18,6 +19,129 @@ The below sections record the changes for each API version in each release as fo
 * for subsequent release-candidate(s), only the delta to the previous release-candidate
 * for a public release, the consolidated changes since the previous public release
 
+# r1.6
+
+## Release Notes
+
+This pre-release contains the definition and documentation of
+* sample-service 0.1.0-alpha.6
+* sample-service-subscriptions 0.1.0-alpha.6
+* sample-implicit-events 0.1.0-alpha.6
+
+The API definition(s) are based on
+* Commonalities r4.3 (0.8.0)
+* Identity and Consent Management r4.2 (0.5.0)
+
+<!-- BEGIN:AUTOGENERATED:CANDIDATE_CHANGES -->
+> **Working area — candidate changes (auto-removed on merge)**
+> Copy relevant entries into the Breaking changes/Added/Changed/Fixed/Removed sections below. List breaking changes both in Breaking changes and in their normal change category.
+> You may edit this list while triaging; it will be removed on merge.
+> This working-area section is removed automatically when the PR is merged.
+
+<details>
+<summary>Candidate changes (auto-generated from merged PRs)</summary>
+
+## What's Changed
+* Release Automation: Post-release sync (r1.5) by @camara-release-automation[bot] in https://github.com/camaraproject/ReleaseTest/pull/237
+
+</details>
+<!-- END:AUTOGENERATED:CANDIDATE_CHANGES -->
+
+## sample-service 0.1.0-alpha.6
+
+**sample-service 0.1.0-alpha.6 is an alpha version of this API.**
+
+Changes documented below are compared to version 0.1.0-alpha.5.
+
+- API definition **with inline documentation**:
+  - [View it on ReDoc](https://redocly.github.io/redoc/?url=https://raw.githubusercontent.com/camaraproject/ReleaseTest/r1.6/code/API_definitions/sample-service.yaml&nocors)
+  - [View it on Swagger Editor](https://camaraproject.github.io/swagger-ui/?url=https://raw.githubusercontent.com/camaraproject/ReleaseTest/r1.6/code/API_definitions/sample-service.yaml)
+  - OpenAPI [YAML spec file](https://github.com/camaraproject/ReleaseTest/blob/r1.6/code/API_definitions/sample-service.yaml)
+
+### Breaking changes
+
+* N/A
+
+### Added
+
+* N/A
+
+### Changed
+
+* N/A
+
+### Fixed
+
+* N/A
+
+### Removed
+
+* N/A
+
+## sample-service-subscriptions 0.1.0-alpha.6
+
+**sample-service-subscriptions 0.1.0-alpha.6 is an alpha version of this API.**
+
+Changes documented below are compared to version 0.1.0-alpha.5.
+
+- API definition **with inline documentation**:
+  - [View it on ReDoc](https://redocly.github.io/redoc/?url=https://raw.githubusercontent.com/camaraproject/ReleaseTest/r1.6/code/API_definitions/sample-service-subscriptions.yaml&nocors)
+  - [View it on Swagger Editor](https://camaraproject.github.io/swagger-ui/?url=https://raw.githubusercontent.com/camaraproject/ReleaseTest/r1.6/code/API_definitions/sample-service-subscriptions.yaml)
+  - OpenAPI [YAML spec file](https://github.com/camaraproject/ReleaseTest/blob/r1.6/code/API_definitions/sample-service-subscriptions.yaml)
+
+### Breaking changes
+
+* N/A
+
+### Added
+
+* N/A
+
+### Changed
+
+* N/A
+
+### Fixed
+
+* N/A
+
+### Removed
+
+* N/A
+
+## sample-implicit-events 0.1.0-alpha.6
+
+**sample-implicit-events 0.1.0-alpha.6 is an alpha version of this API.**
+
+Changes documented below are compared to version 0.1.0-alpha.5.
+
+- API definition **with inline documentation**:
+  - [View it on ReDoc](https://redocly.github.io/redoc/?url=https://raw.githubusercontent.com/camaraproject/ReleaseTest/r1.6/code/API_definitions/sample-implicit-events.yaml&nocors)
+  - [View it on Swagger Editor](https://camaraproject.github.io/swagger-ui/?url=https://raw.githubusercontent.com/camaraproject/ReleaseTest/r1.6/code/API_definitions/sample-implicit-events.yaml)
+  - OpenAPI [YAML spec file](https://github.com/camaraproject/ReleaseTest/blob/r1.6/code/API_definitions/sample-implicit-events.yaml)
+
+### Breaking changes
+
+* N/A
+
+### Added
+
+* N/A
+
+### Changed
+
+* N/A
+
+### Fixed
+
+* N/A
+
+### Removed
+
+* N/A
+
+**Full Changelog**: https://github.com/camaraproject/ReleaseTest/compare/r1.5...r1.6
+
 # r1.5
 
 ## Release Notes