diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c9789ae..06348972 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## vNext
+
+### Microsoft.DurableTask.Client
+
+- Add new `IDurableTaskClientBuilder AddDurableTaskClient(IServiceCollection, string?)` API
+
+### Microsoft.DurableTask.Worker
+
+- Add new `IDurableTaskWorkerBuilder AddDurableTaskWorker(IServiceCollection, string?)` API
+
 ## v1.5.0
 
 - Implement work item completion tokens for standalone worker scenarios ([#359](https://github.com/microsoft/durabletask-dotnet/pull/359))
diff --git a/src/Client/Core/RELEASENOTES.md b/src/Client/Core/RELEASENOTES.md
index b32377e3..dfa5b970 100644
--- a/src/Client/Core/RELEASENOTES.md
+++ b/src/Client/Core/RELEASENOTES.md
@@ -1 +1 @@
-- Fix filter not being passed along in `PurgeAllInstancesAsync` (https://github.com/microsoft/durabletask-dotnet/pull/289)
+- Add new `IDurableTaskClientBuilder AddDurableTaskClient(IServiceCollection, string?)` API
diff --git a/src/Worker/Core/RELEASENOTES.md b/src/Worker/Core/RELEASENOTES.md
index e69de29b..c00e885b 100644
--- a/src/Worker/Core/RELEASENOTES.md
+++ b/src/Worker/Core/RELEASENOTES.md
@@ -0,0 +1 @@
+- Add new `IDurableTaskWorkerBuilder AddDurableTaskWorker(IServiceCollection, string?)` API