diff --git a/jsr.json b/jsr.json
index 780ea58c561668658f993415fcb3baa174ae3eed..5ca42bd104f8ed949cf3da85342551b764a7940e 100644
--- a/jsr.json
+++ b/jsr.json
@@ -1,6 +1,6 @@
 {
   "name": "@clo/react-mutation",
-  "version": "2.0.1",
+  "version": "2.1.0",
   "exports": {
     ".": "./src/mod.ts",
     "./tanstack-query.ts": "./src/tanstack-query.ts",
diff --git a/readme.changes.md b/readme.changes.md
index 6fa64248d6f3705c169b831042d0a8201689ff68..9db20ff46d01f56078d17796ad4d3814e54dc42c 100644
--- a/readme.changes.md
+++ b/readme.changes.md
@@ -1,5 +1,14 @@
 # notable changes in React Mutation
 
+## v2.1.0
+
+### features
+
+- tanstack query integration
+  - arrayUpsert and objArrayUpsert
+- mutation buttons
+  - pass `args={null}` to disable the button UI
+
 ## v2.0.1
 
 ### bugfixes