Update ROADMAP.md

ROADMAP.md

@@ -31,7 +31,7 @@ _Approximate Date: TBD - PR from an external contributor is in review_
 
 ### [`@defer` support](https://github.com/apollographql/apollo-ios/issues/2395)
 
-_Approximate Date: 2023-09-19_
+_Approximate Date: October 2023_
 
 The `@defer` directive enables your queries to receive data for specific fields asynchronously. This is helpful whenever some fields in a query take much longer to resolve than others.  [Apollo Kotlin](https://www.apollographql.com/docs/kotlin/fetching/defer/) and [Apollo Client (web)](https://www.apollographql.com/docs/react/data/defer/) currently support this syntax, so if you're interested in learning more check out their documentation.  Apollo iOS will release support for this directive in a `1.x` minor version.  This will be released as an experimental feature.