# Libs Meeting 2025-09-10 ###### tags: `Libs Meetings` `Minutes` **Meeting Link**: https://meet.jit.si/rust-libs-meeting-ujepnbwg2lzqgt6wvrndwimi **Attendees**: ... ## Agenda - Triage - Anything else? ## Triage ### FCPs 1 rust-lang/rust T-libs FCPs - merge rust.tf/132484 *unix: Relax escaping in \`Debug\` impl on \`Command\`* - (0 checkboxes left) ### (Prioritization Requested) rust.tf/146087 *\`std::sync::barrier::BarrierState\` is not \`RefUnwindSafe\` anymore* ### (Nominated) rust.tf/145973 *Add \`std\` support for \`armv7a\-vex\-v5\`* ### (Waiting on team) rust.tf/144871 *Stabilize \`btree\_entry\_insert\` feature* ### (Waiting on team) rust.tf/146009 *Implement \`Receiver\` for \`Exclusive\`* ### (Regressions) rust.tf/139730 `P-high` *A case of compound x86\_64 performance regression caused by LLVM 20 and #124810* ### (Regressions) rust.tf/53340 `P-low` *Performance regression in tight loop since rust 1.25* ### (Regressions) rust.tf/74820 `P-medium` *libtest panics when running \`should\_panic\` tests under QEMU armv7* ### (Regressions) rust.tf/81902 *RUST\_BACKTRACE truncated with \-Cpanic=abort* ### (Regressions) rust.tf/119560 `P-low` *\`cargo test\` performance regression on Windows on version 1.75.0* ### (Regressions) rust.tf/124216 `P-medium` *Performance regression: rustc failed to optimize specific x86\-64 SIMD intrinsics after 1.75.0* ### (Regressions) rust.tf/130320 `P-medium` *stdlib code size increase in nightly\-2024\-09\-01 for aarch64\-linux\-android* ### (Regressions) rust.tf/142119 `P-medium` *Linking a Rust staticlib unexpectedly changes C math functions from libm to bundled ones from compiler\-builtins* ### (Regressions) rust.tf/138054 `P-low` *unreachable pub item from portable\-simd with target\_feature = "avx512f"* ### (Regressions) rust.tf/142345 `P-low` *\`pin!()\` macro no longer constant\-promotes \`&mut\` references to empty arrays* ### (Regressions) rust.tf/145424 *rustc output no longer reproducible if it crashes* ### (Regressions) rust.tf/146228 `P-high` *SystemTime::duration\_since nightly regression* ### (Regressions) rust.tf/145770 `P-high` *assert desugaring change is backwards\-incompatible* ## Actions - [ ] Reply to all issues/PRs discussed in this meeting, or add them to the [open action items](https://hackmd.io/Uehlc0qUQfWfvY1swYWRgQ). _Generated by [fully-automatic-rust-libs-team-triage-meeting-agenda-generator](https://github.com/rust-lang/libs-team/tree/main/tools/agenda-generator)_