Update RFC, MCP, FCP and CFT sections for TWiR-596

Author: U007D

draft/2025-04-23-this-week-in-rust.md

@@ -57,19 +57,18 @@ and just ask the editors to select the category.
 [submit_crate]: https://users.rust-lang.org/t/crate-of-the-week/2704
 
 ## Calls for Testing
-
 An important step for RFC implementation is for people to experiment with the
-implementation and give feedback, especially before stabilization.  The following
-RFCs would benefit from user testing before moving forward:
+implementation and give feedback, especially before stabilization.
 
-<!-- Calls for Testing go here, use this format:
-    * [<RFC Topic>](<RFC URL>)
-        * [Tracking Issue](<Tracking Issue URL>)
-        * [Testing steps](<Testing Steps URL>)
--->
-<!-- or if there are no new or updated RFCs this week, use: -->
-<!-- * *No New or Updated RFCs were created this week.* -->
-<!-- Remember to remove the `call-for-testing` label from the RFC so that the maintainer can signal for testers again, if desired. -->
+If you are a feature implementer and would like your RFC to appear in this list, add a
+`call-for-testing` label to your RFC along with a comment providing testing instructions and/or
+guidance on which aspect(s) of the feature need testing.
+
+* *No calls for testing were issued this week by [Rust](https://github.com/rust-lang/rust/labels/call-for-testing),
+  [Rust language RFCs](https://github.com/rust-lang/rfcs/issues?q=label%3Acall-for-testing) or
+  [Rustup](https://github.com/rust-lang/rustup/labels/call-for-testing).*
+
+[Let us know](https://github.com/rust-lang/this-week-in-rust/issues) if you would like your feature to be tracked as a part of this list.
 
 ### [RFCs](https://github.com/rust-lang/rfcs/issues?q=label%3Acall-for-testing)
 
@@ -120,47 +119,44 @@ If you are an event organizer hoping to expand the reach of your event, please s
 Changes to Rust follow the Rust [RFC (request for comments) process](https://github.com/rust-lang/rfcs#rust-rfcs). These
 are the RFCs that were approved for implementation this week:
 
-<!-- Approved RFCs go here, use this format: * [Topic](URL) -->
-<!-- or if none were approved this week, use: * *No RFCs were approved this week.* -->
-<!-- * []() -->
-
-<!--
-### [Approved Major Change Proposals (MCP)](https://forge.rust-lang.org/compiler/mcp.html)
-<!~~ MCPs occur infrequently, so this section is commented out by default. ~~>
-<!~~ MCPs which have been approved or rejected this week go here, use this format: * [major change accepted|rejected] [Topic](URL) ~~>
--->
+* *No RFCs were approved this week.*
 
 ### Final Comment Period
 
 Every week, [the team](https://www.rust-lang.org/team.html) announces the 'final comment period' for RFCs and key PRs
 which are reaching a decision. Express your opinions now.
 
-#### [RFCs](https://github.com/rust-lang/rfcs/labels/final-comment-period)
-<!-- RFCs which have entered FCP go here, use this format: * [disposition: merge|close] [Topic](URL) -->
-<!-- or if none entered FCP this week, use: * *No RFCs entered Final Comment Period this week.* -->
-<!-- * [disposition: ] []() -->
-
 #### Tracking Issues & PRs
-<!-- Tracking Issues which have entered FCP go here, use this format: * [disposition: merge|close] [Topic](URL) -->
-<!-- or if none entered FCP this week, use: -->
-<!-- * *No Tracking Issues or PRs entered Final Comment Period this week.* -->
-<!-- * [disposition: ] []() -->
-
 ##### [Rust](https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc)
-
+* [Stabilize `<[T; N]>::as_mut_slice` as `const`](https://github.com/rust-lang/rust/pull/140066)
+* [Tracking Issue for `hint::select_unpredictable`](https://github.com/rust-lang/rust/issues/133962)
+* [fix(test): Expose '--no-capture' in favor of `--nocapture`](https://github.com/rust-lang/rust/pull/139224)
+* [stabilize ptr::swap_nonoverlapping in const](https://github.com/rust-lang/rust/pull/137280)
+* [Stabilize the avx512 target features](https://github.com/rust-lang/rust/pull/138940)
+* [Don't allow flattened format_args in const.](https://github.com/rust-lang/rust/pull/139624)
+* [lexer: Treat more floats with empty exponent as valid tokens](https://github.com/rust-lang/rust/pull/131656)
+* [Stabilize proc_macro::Span::{start,end,line,column}.](https://github.com/rust-lang/rust/pull/139865)
+* [check types of const param defaults](https://github.com/rust-lang/rust/pull/139646)
+* [Stabilize flags for doctest cross compilation](https://github.com/rust-lang/rust/pull/137096)
+
+#### Other Areas
 ##### [Cargo](https://github.com/rust-lang/cargo/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc)
-
-##### [Language Team](https://github.com/rust-lang/lang-team/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc+)
+* [fix: default to all targets when using `--edition` and `--edition-idioms` in cargo fix](https://github.com/rust-lang/cargo/pull/15192)
 
 ##### [Language Reference](https://github.com/rust-lang/reference/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc)
+* [Clarify interaction of asm-goto with IBT](https://github.com/rust-lang/reference/pull/1790)
+
+*No Items entered Final Comment Period this week for
+  [Rust RFCs](https://github.com/rust-lang/rfcs/labels/final-comment-period),
+  [Language Team](https://github.com/rust-lang/lang-team/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc+) or
+  [Unsafe Code Guidelines](https://github.com/rust-lang/unsafe-code-guidelines/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc).*
 
-##### [Unsafe Code Guidelines](https://github.com/rust-lang/unsafe-code-guidelines/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc)
+Let us know if you would like your PRs, Tracking Issues or RFCs to be tracked as a part of this list.
 
 #### [New and Updated RFCs](https://github.com/rust-lang/rfcs/pulls)
-<!-- New or updated RFCs go here, use this format: * [new|updated] [Topic](URL) -->
-<!-- or if there are no new or updated RFCs this week, use: -->
-<!-- * *No New or Updated RFCs were created this week.* -->
-<!-- * [new|updated] []() -->
+* [RFC: Disable niche layout optimization on enum discriminants](https://github.com/rust-lang/rfcs/pull/3803)
+* [RFC: Assume bounds for generic functions](https://github.com/rust-lang/rfcs/pull/3802)
+* [RFC: input macros](https://github.com/rust-lang/rfcs/pull/3799)
 
 ## Upcoming Events