add react advanced and react summit (us)

Author: denis-urban

src/content/community/conferences.md

@@ -10,11 +10,6 @@ Do you know of a local React.js conference? Add it here! (Please keep the list c
 
 ## Upcoming Conferences {/*upcoming-conferences*/}
 
-### React Paris 2026 {/*react-paris-2026*/}
-March 26 - 27, 2026. In-person in Paris, France (hybrid event)
-
-[Website](https://react.paris/) - [Twitter](https://x.com/BeJS_)
-
 ### CityJS London 2026 {/*cityjs-london-2026*/}
 April 14-17,  2026. In-person in London
 
@@ -25,8 +20,23 @@ September 10-11,  2026. In-person in Zurich, Switzerland
 
 [Website](https://conf.zurichjs.com?utm_campaign=ZurichJS_Conf&utm_source=referral&utm_content=reactjs_community_conferences) - [Twitter](https://x.com/zurichjs) - [LinkedIn](https://www.linkedin.com/company/zurichjs/)
 
+### React Advanced 2026 {/*react-advanced-2026*/}
+October 23 & 26, 2026. In-person in London, UK + online (hybrid event)
+
+[Website](https://reactadvanced.com/) - [Twitter](https://x.com/reactadvanced)
+
+### React Summit US 2026 {/*react-summit-us-2026*/}
+November 17 & 20, 2026. In-person in New York, USA + remote (hybrid event)
+
+[Website](https://reactsummit.us/) - [Twitter](https://x.com/reactsummit)
+
 ## Past Conferences {/*past-conferences*/}
 
+### React Paris 2026 {/*react-paris-2026*/}
+March 26 - 27, 2026. In-person in Paris, France (hybrid event)
+
+[Website](https://react.paris/) - [Twitter](https://x.com/BeJS_)
+
 ### CityJS New Delhi 2026 {/*cityjs-newdelhi-2026*/}
 February 12-13,  2026. In-person in New Delhi, India