@@ -39,13 +39,19 @@ and just ask the editors to select the category.
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### Newsletters
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### Project/Tooling Updates
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-
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- - [ Ratatui's "Rat in the Wild" Challenge] ( https://github.com/ratatui/ratatui/discussions/1886 )
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+ * [ What's new in SeaORM 1.1.12] ( https://www.sea-ql.org/blog/2025-06-01-whats-new-in-sea-orm-1.1/ )
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+ * [ git-cliff 2.9.0 is released!] ( https://git-cliff.org/blog/2.9.0 )
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+ * [ Ratatui's "Rat in the Wild" Challenge] ( https://github.com/ratatui/ratatui/discussions/1886 )
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### Observations/Thoughts
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+ * [ In Praise of Shuttle: Oxidizing the Capibara Web API] ( https://justinwoodring.com/blog/rewriting-the-capibara-web-api-in-rust/ )
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+ * [ Reducing Cargo target directory size with -Zno-embed-metadata] ( https://kobzol.github.io/rust/rustc/2025/06/02/reduce-cargo-target-dir-size-with-z-no-embed-metadata.html )
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+ * [ Designing Error Types in Rust Libraries] ( https://d34dl0ck.me/rust-bites-designing-error-types-in-rust-libraries/index.html )
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### Rust Walkthroughs
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+ * [ video] [ Build with Naz : Parse non-slice input with nom] ( https://www.youtube.com/watch?v=3IzAweJGdZU )
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+
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### Research
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### Miscellaneous
@@ -59,29 +65,18 @@ and just ask the editors to select the category.
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[ submit_crate ] : https://users.rust-lang.org/t/crate-of-the-week/2704
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## Calls for Testing
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-
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An important step for RFC implementation is for people to experiment with the
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- implementation and give feedback, especially before stabilization. The following
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- RFCs would benefit from user testing before moving forward:
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-
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- <!-- Calls for Testing go here, use this format:
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- * [<RFC Topic>](<RFC URL>)
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- * [Tracking Issue](<Tracking Issue URL>)
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- * [Testing steps](<Testing Steps URL>)
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- -->
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- <!-- or if there are no new or updated RFCs this week, use: -->
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- <!-- * *No New or Updated RFCs were created this week.* -->
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- <!-- Remember to remove the `call-for-testing` label from the RFC so that the maintainer can signal for testers again, if desired. -->
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+ implementation and give feedback, especially before stabilization.
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- ### [ RFCs] ( https://github.com/rust-lang/rfcs/issues?q=label%3Acall-for-testing )
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+ If you are a feature implementer and would like your RFC to appear in this list, add a
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+ ` call-for-testing ` label to your RFC along with a comment providing testing instructions and/or
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+ guidance on which aspect(s) of the feature need testing.
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- ### [ Rust] ( https://github.com/rust-lang/rust/labels/call-for-testing )
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+ * * No calls for testing were issued this week by [ Rust] ( https://github.com/rust-lang/rust/labels/call-for-testing ) ,
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+ [ Rust language RFCs] ( https://github.com/rust-lang/rfcs/issues?q=label%3Acall-for-testing ) or
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+ [ Rustup] ( https://github.com/rust-lang/rustup/labels/call-for-testing ) .*
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- ### [ Rustup] ( https://github.com/rust-lang/rustup/labels/call-for-testing )
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-
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- If you are a feature implementer and would like your RFC to appear on the above list, add the new ` call-for-testing `
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- label to your RFC along with a comment providing testing instructions and/or guidance on which aspect(s) of the feature
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- need testing.
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+ [ 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.
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## Call for Participation; projects and speakers
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@@ -115,54 +110,61 @@ If you are an event organizer hoping to expand the reach of your event, please s
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### Rust Compiler Performance Triage
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- <!-- Perf results go here -->
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+ A fairly busy week, with lots of changes to performance. Most of the changes
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+ (at least in quantity of benchmarks) are attributable to an update of our PGO
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+ collection to newer benchmarks as part of the 2025 refresh.
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+
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+ Triage done by ** @simulacrum ** .
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+ Revision range: [ 2805e1dc..2fc3deed] ( https://perf.rust-lang.org/?start=2805e1dc4c18ed4c84d161502c48da870c56f68a&end=2fc3deed9fcb8762ad57191e0195f06f7543e4a5&absolute=false&stat=instructions%3Au )
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+
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+ [ Full report here] ( https://github.com/rust-lang/rustc-perf/blob/master/triage/2025-06-02.md )
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### [ Approved RFCs] ( https://github.com/rust-lang/rfcs/commits/master )
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Changes to Rust follow the Rust [ RFC (request for comments) process] ( https://github.com/rust-lang/rfcs#rust-rfcs ) . These
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are the RFCs that were approved for implementation this week:
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- <!-- Approved RFCs go here, use this format: * [Topic](URL) -->
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- <!-- or if none were approved this week, use: * *No RFCs were approved this week.* -->
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- <!-- * []() -->
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-
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- <!--
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- ### [Approved Major Change Proposals (MCP)](https://forge.rust-lang.org/compiler/mcp.html)
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- <!~~ MCPs occur infrequently, so this section is commented out by default. ~~>
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- <!~~ MCPs which have been approved or rejected this week go here, use this format: * [major change accepted|rejected] [Topic](URL) ~~>
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- -->
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+ * * No RFCs were approved this week.*
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### Final Comment Period
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Every week, [ the team] ( https://www.rust-lang.org/team.html ) announces the 'final comment period' for RFCs and key PRs
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which are reaching a decision. Express your opinions now.
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- #### [ RFCs] ( https://github.com/rust-lang/rfcs/labels/final-comment-period )
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- <!-- RFCs which have entered FCP go here, use this format: * [disposition: merge|close] [Topic](URL) -->
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- <!-- or if none entered FCP this week, use: * *No RFCs entered Final Comment Period this week.* -->
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- <!-- * [disposition: ] []() -->
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-
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#### Tracking Issues & PRs
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- <!-- Tracking Issues which have entered FCP go here, use this format: * [disposition: merge|close] [Topic](URL) -->
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- <!-- or if none entered FCP this week, use: -->
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- <!-- * *No Tracking Issues or PRs entered Final Comment Period this week.* -->
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- <!-- * [disposition: ] []() -->
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-
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##### [ Rust] ( https://github.com/rust-lang/rust/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc )
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-
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- ##### [ Cargo] ( https://github.com/rust-lang/cargo/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc )
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-
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- ##### [ Language Team] ( https://github.com/rust-lang/lang-team/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc+ )
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-
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- ##### [ Language Reference] ( https://github.com/rust-lang/reference/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc )
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-
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- ##### [ Unsafe Code Guidelines] ( https://github.com/rust-lang/unsafe-code-guidelines/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc )
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+ * [ Add (back) unsupported_calling_conventions lint to reject more invalid calling conventions] ( https://github.com/rust-lang/rust/pull/141435 )
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+ * [ Stabilize ` if let ` guards (` feature(if_let_guard) ` )] ( https://github.com/rust-lang/rust/pull/141295 )
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+ * [ Added ` Clone ` implementation for ` ChunkBy ` ] ( https://github.com/rust-lang/rust/pull/138016 )
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+ * [ Make the ` dangerous_implicit_autorefs ` lint deny-by-default] ( https://github.com/rust-lang/rust/pull/141661 )
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+ * [ Make NonZero< char > possible] ( https://github.com/rust-lang/rust/pull/141001 )
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+ * [ Tracking Issue for nonnull_provenance] ( https://github.com/rust-lang/rust/issues/135243 )
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+ * [ disposition: close] [ Implement operations for Wrapping< T > where Rhs = T] ( https://github.com/rust-lang/rust/pull/140567 )
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+ * [ Split up the ` unknown_or_malformed_diagnostic_attributes ` lint] ( https://github.com/rust-lang/rust/pull/140717 )
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+ * [ Lint on fn pointers comparisons in external macros] ( https://github.com/rust-lang/rust/pull/134536 )
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+ * [ Specify the behavior of ` file! ` ] ( https://github.com/rust-lang/rust/pull/134442 )
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+ * [ Document representation of ` Option<unsafe fn()> ` ] ( https://github.com/rust-lang/rust/pull/141447 )
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+ * [ Stabilize ` feature(generic_arg_infer) ` ] ( https://github.com/rust-lang/rust/pull/141610 )
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+ * [ Allow ` #![doc(test(attr(..)))] ` everywhere] ( https://github.com/rust-lang/rust/pull/140560 )
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+ * [ Tracking Issue for File lock API] ( https://github.com/rust-lang/rust/issues/130994 )
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+ * [ disposition: unspecified] [ Tracking Issue for ` unsigned_signed_diff ` ] ( https://github.com/rust-lang/rust/issues/126041 )
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+ * [ Stabilise ` os_string_pathbuf_leak ` ] ( https://github.com/rust-lang/rust/pull/137992 )
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+
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+ ##### [ Rust RFCs] ( https://github.com/rust-lang/rfcs/labels/final-comment-period )
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+ * [[ RFC] Add ` #[export_ordinal(n)] ` attribute] ( https://github.com/rust-lang/rfcs/pull/3641 )
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+
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+ * No Items entered Final Comment Period this week for
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+ [ Cargo] ( https://github.com/rust-lang/cargo/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc ) ,
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+ [ Language Reference] ( https://github.com/rust-lang/reference/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc ) ,
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+ [ Language Team] ( https://github.com/rust-lang/lang-team/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc+ ) or
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+ [ Unsafe Code Guidelines] ( https://github.com/rust-lang/unsafe-code-guidelines/issues?q=is%3Aopen+label%3Afinal-comment-period+sort%3Aupdated-desc ) .*
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+
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+ Let us know if you would like your PRs, Tracking Issues or RFCs to be tracked as a part of this list.
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#### [ New and Updated RFCs] ( https://github.com/rust-lang/rfcs/pulls )
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- <!-- New or updated RFCs go here, use this format: * [new|updated] [Topic](URL) -->
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- <!-- or if there are no new or updated RFCs this week, use: -->
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- <!-- * *No New or Updated RFCs were created this week.* -->
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- <!-- * [new|updated] []() -->
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+ * [ new] [ de-RFC: Remove unsized_locals] ( https://github.com/rust-lang/rfcs/pull/3829 )
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+ * [ new] [ RFC: Procedural macros in same package as app] ( https://github.com/rust-lang/rfcs/pull/3826 )
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+ * [ new] [ RFC: Allow generic impls using local trait bounds] ( https://github.com/rust-lang/rfcs/pull/3821 )
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## Upcoming Events
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@@ -191,6 +193,8 @@ Rusty Events between 2025-06-04 - 2025-07-02 🦀
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* [ ** Second Tuesday** ] ( https://www.meetup.com/dallasrust/events/305020417 )
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* 2025-06-10 | Virtual (London, UK) | [ Women in Rust] ( https://www.meetup.com/women-in-rust )
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* [ ** 👋 Community Catch Up** ] ( https://www.meetup.com/women-in-rust/events/307560326 )
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+ * 2025-06-11 | Virtual (Tel Aviv, IL) | [ Code Mavens 🦀 - 🐍 - 🐪] ( https://www.meetup.com/code-mavens/ )
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+ * [ ** Rust at Work - conversation with Herbert Wolverson of Ardan Labs & LibreQoS** ] ( https://www.meetup.com/code-mavens/events/308234298/ )
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* 2025-06-12 | Virtual (Charlottesville, VA, US) | [ Charlottesville Rust Meetup] ( https://www.meetup.com/charlottesville-rust-meetup )
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* [ ** Meet, swap, and learn!** ] ( https://www.meetup.com/charlottesville-rust-meetup/events/307767236 )
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* 2025-06-15 | Virtual (Dallas, TX, US) | [ Dallas Rust User Meetup] ( https://www.meetup.com/dallasrust )
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