---
# System prepended metadata

title: Libs Meeting 2024-09-18
tags: [Minutes, Libs Meetings]

---

# Libs Meeting 2024-09-18

###### 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/115746 *Print thread ID in panic message if thread name is unknown* - (2 checkboxes left)

[joshtriplett (1)](https://rfcbot.rs/fcp/joshtriplett), [m-ou-se (1)](https://rfcbot.rs/fcp/m-ou-se)


### (Backports) rust.tf/130047 *Win: Add dbghelp to the list of import libraries*

Beta-accepted

### (Backports) rust.tf/130145 *\`RepeatN\`: use MaybeUninit*

Beta-accepted

### (Nominated) rust.tf/126557 *Add \`#\[track\_caller\]\` to allocating methods of \`Vec\` & \`VecDeque\`*

Already discussed last week, unnominating

### (Waiting on team) rust.tf/130279 *Document subtleties of \`ManuallyDrop\`*

Waiting on lang

### (Regressions) rust.tf/119560 *\`cargo test\` performance regression on Windows on version 1.75.0*

### (Regressions) rust.tf/53340 *Performance regression in tight loop since rust 1.25*

### (Regressions) rust.tf/112180 *assertion failed: key as usize != KEY\_SENTVAL in DragonFly BSD*

### (Regressions) rust.tf/124216 `P-medium` *Performance regression: rustc failed to optimize \`\_mm256\_avg\_epu8\` after 1.75.0*

### (Regressions) rust.tf/125198 *regression: can't call method \`abs\` on ambiguous numeric type \`{float}\`*

### (Regressions) rust.tf/126685 *Regression in type inference between stable 1.79.0 and nightly\-2024\-06\-19*

### (Regressions) rust.tf/126766 *Nightly regression: \`panic::set\_hook()\` signature incompatible if used with core::panic::PanicInfo*

### (Regressions) rust.tf/127343 *regression: type annotations needed for Box\<\_\>*


## 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)_
