Add a few topics to April WG (#1693)

Author: benjie

agendas/2025/04-Apr/03-wg-primary.md

@@ -120,8 +120,29 @@ hold additional secondary meetings later in the month.
 1. Determine volunteers for note taking (1m, Host)
 1. Review agenda (2m, Host)
 1. Check for [ready for review agenda items](https://github.com/graphql/graphql-wg/issues?q=is%3Aissue+is%3Aopen+label%3A%22Ready+for+review+%F0%9F%99%8C%22+sort%3Aupdated-desc) (5m, Host)
+1. [Let's set a July 1st deadline for spec release](https://github.com/graphql/graphql-wg/issues/1692) (5m, Benjie)
 1. [Replace ExecuteSelectionSet with ExecuteGroupedFieldSet](https://github.com/graphql/graphql-spec/pull/1039) (5m, Benjie)
    - Editorial needed by fragment arguments and incremental delivery; let's get it merged!
 1. Make `includeDeprecated` non-null (10m, Martin)
     - https://github.com/graphql/graphql-spec/pull/1142
     - advance to RFC2/RFC3?
+1. [Clarify 'before execution begins'](https://github.com/graphql/graphql-spec/pull/894) (5m, Benjie)
+   - Editorial, aim: merge.
+1. [Add 'extensions' to request](https://github.com/graphql/graphql-spec/pull/976) (2m, Benjie)
+   - RFC2, no GraphQL.js changes needed. 4 TSC approvals. Plan: RFC3.
+1. [Implementations may not deprecate a field that the interface hasn't deprecated](https://github.com/graphql/graphql-spec/pull/1053) (2m, Benjie)
+   - RFC2, 4 TSC approvals, [GraphQL.js PR approved](https://github.com/graphql/graphql-js/pull/3986). Plan: RFC3.
+1. [Prevent @skip and @include on root subscription selection set](https://github.com/graphql/graphql-spec/pull/860) (5m, Benjie)
+   - RFC2, GraphQL.js merged. Aim: RFC3.
+1. [Clarify 'Values of Correct Type' rule relates to literals](https://github.com/graphql/graphql-spec/pull/1118) (5m, Benjie)
+   - Editorial. Aim: merge. Needed by oneOf.
+1. [OneOf Input Objects](https://github.com/graphql/graphql-spec/pull/825) (10m, Benjie)
+   - RFC2. Implemented unflagged in GraphQL.js 15, 16; GraphQL.NET v8; GraphQL Java v21.2. Aim: RFC3.
+1. [Default value coercion rules](https://github.com/graphql/graphql-spec/pull/793) (15m, Benjie)
+   - RFC2, [GraphQL.js PR merged](https://github.com/graphql/graphql-js/pull/3814). Aim: RFC3.
+1. [Define Data Collections used in the spec](https://github.com/graphql/graphql-spec/pull/1102) (20m, Benjie)
+   - RFC2, aim: RFC3.
+   - Then: [Recommend that order of unordered collections is maintained where possible](https://github.com/graphql/graphql-spec/pull/1092)
+     - RFC2, aim: RFC3.
+     - Then: [Type system ordering of: object interfaces, directive arguments, input object fields, enum values](https://github.com/graphql/graphql-spec/pull/1063)
+       - RFC2, aim: RFC3.