diff --git a/CHANGES.md b/CHANGES.md
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+++ b/CHANGES.md
@@ -1,6 +1,35 @@
 # Changes
 
 
+## [0.80.0](https://www.github.com/googleapis/google-cloud-go/compare/v0.79.0...v0.80.0) (2021-03-23)
+
+
+### ⚠ BREAKING CHANGES
+
+* **all:** This is a breaking change in dialogflow
+
+### Features
+
+* **appengine:** added vm_liveness, search_api_available, network_settings, service_account, build_env_variables, kms_key_reference to v1 API ([fd04a55](https://www.github.com/googleapis/google-cloud-go/commit/fd04a552213f99619c714b5858548f61f4948493))
+* **assuredworkloads:** Add 'resource_settings' field to provide custom properties (ids) for the provisioned projects. ([ab4824a](https://www.github.com/googleapis/google-cloud-go/commit/ab4824a7914864228e59b244d6382de862139524))
+* **assuredworkloads:** add HIPAA and HITRUST compliance regimes ([ab4824a](https://www.github.com/googleapis/google-cloud-go/commit/ab4824a7914864228e59b244d6382de862139524))
+* **dialogflow/cx:** added fallback option when restoring an agent docs: clarified experiment length ([cd70aa9](https://www.github.com/googleapis/google-cloud-go/commit/cd70aa9cc1a5dccfe4e49d2d6ca6db2119553c86))
+* **dialogflow/cx:** start generating apiv3 ([#3850](https://www.github.com/googleapis/google-cloud-go/issues/3850)) ([febbdcf](https://www.github.com/googleapis/google-cloud-go/commit/febbdcf13fcea3f5d8186c3d3dface1c0d27ef9e)), refs [#3634](https://www.github.com/googleapis/google-cloud-go/issues/3634)
+* **documentai:** add EVAL_SKIPPED value to the Provenance.OperationType enum in document.proto. ([cb43066](https://www.github.com/googleapis/google-cloud-go/commit/cb4306683926843f6e977f207fa6070bb9242a61))
+* **documentai:** start generating apiv1 ([#3853](https://www.github.com/googleapis/google-cloud-go/issues/3853)) ([d68e604](https://www.github.com/googleapis/google-cloud-go/commit/d68e604c953eea90489f6134e71849b24dd0fcbf))
+* **internal/godocfx:** add prettyprint class to code blocks ([#3819](https://www.github.com/googleapis/google-cloud-go/issues/3819)) ([6e49f21](https://www.github.com/googleapis/google-cloud-go/commit/6e49f2148b116ee439c8a882dcfeefb6e7647c57))
+* **internal/godocfx:** handle Markdown content ([#3816](https://www.github.com/googleapis/google-cloud-go/issues/3816)) ([56d5d0a](https://www.github.com/googleapis/google-cloud-go/commit/56d5d0a900197fb2de46120a0eda649f2c17448f))
+* **kms:** Add maxAttempts to retry policy for KMS gRPC service config feat: Add Bazel exports_files entry for KMS gRPC service config ([fd04a55](https://www.github.com/googleapis/google-cloud-go/commit/fd04a552213f99619c714b5858548f61f4948493))
+* **resourcesettings:** start generating apiv1 ([#3854](https://www.github.com/googleapis/google-cloud-go/issues/3854)) ([3b288b4](https://www.github.com/googleapis/google-cloud-go/commit/3b288b4fa593c6cb418f696b5b26768967c20b9e))
+* **speech:** Support output transcript to GCS for LongRunningRecognize. ([fd04a55](https://www.github.com/googleapis/google-cloud-go/commit/fd04a552213f99619c714b5858548f61f4948493))
+* **speech:** Support output transcript to GCS for LongRunningRecognize. ([cd70aa9](https://www.github.com/googleapis/google-cloud-go/commit/cd70aa9cc1a5dccfe4e49d2d6ca6db2119553c86))
+* **speech:** Support output transcript to GCS for LongRunningRecognize. ([35a8706](https://www.github.com/googleapis/google-cloud-go/commit/35a870662df8bf63c4ec10a0233d1d7a708007ee))
+
+
+### Miscellaneous Chores
+
+* **all:** auto-regenerate gapics ([#3837](https://www.github.com/googleapis/google-cloud-go/issues/3837)) ([ab4824a](https://www.github.com/googleapis/google-cloud-go/commit/ab4824a7914864228e59b244d6382de862139524))
+
 ## [0.79.0](https://www.github.com/googleapis/google-cloud-go/compare/v0.78.0...v0.79.0) (2021-03-10)