Remove ReactConf notes in blogs (#8082)

src/content/blog/2024/02/15/react-labs-what-we-have-been-working-on-february-2024.md

@@ -15,14 +15,6 @@ In React Labs posts, we write about projects in active research and development.
 
 </Intro>
 
-<Note>
-
-React Conf 2024 is scheduled for May 15–16 in Henderson, Nevada! If you’re interested in attending React Conf in person, you can [sign up for the ticket lottery](https://forms.reform.app/bLaLeE/react-conf-2024-ticket-lottery/1aRQLK) until February 28th. 
-
-For more info on tickets, free streaming, sponsoring, and more, see [the React Conf website](https://conf.react.dev).
-
-</Note>
-
 ---
 
 ## React Compiler {/*react-compiler*/}

src/content/blog/2025/04/23/react-labs-view-transitions-activity-and-more.md

@@ -16,14 +16,6 @@ In React Labs posts, we write about projects in active research and development.
 </Intro>
 
 
-<Note>
-
-React Conf 2025 is scheduled for October 7–8 in Henderson, Nevada!
-
-Watch the livestream on [the React Conf website](https://conf.react.dev).
-
-</Note>
-
 Today, we're excited to release documentation for two new experimental features that are ready for testing:
 
 - [View Transitions](#view-transitions)
@@ -40,6 +32,14 @@ We're also sharing updates on new features currently in development:
 
 # New Experimental Features {/*new-experimental-features*/}
 
+<Note>
+
+`<Activity />` has shipped in `react@19.2`.
+
+`<ViewTransition />` and `addTransitionType` are now available in `react@canary`.
+
+</Note>
+
 View Transitions and Activity are now ready for testing in `react@experimental`. These features have been tested in production and are stable, but the final API may still change as we incorporate feedback.
 
 You can try them by upgrading React packages to the most recent experimental version: