Issues

• Review what hand-written futures do when polled after completion

  apache/asyncband#408 · Filter by author orthur2 opened on Nov 4, 2026

• Reduce the cost of upgrading a held UpgradableRwLock read guard

  good first issuehelp wanted
  apache/asyncband#404 · Filter by author tisonkun opened on Nov 3, 2026
  2

• Reduce uncontended Mutex lock and unlock overhead

  good first issuehelp wanted
  apache/asyncband#403 · Filter by author tisonkun opened on Nov 3, 2026
  2

• Reduce unbounded MPMC broadcast publish and receive overhead

  good first issuehelp wanted
  apache/asyncband#402 · Filter by author tisonkun opened on Nov 3, 2026
  2

• Improve bounded MPSC throughput for inline 1 KiB messages

  good first issuehelp wanted
  apache/asyncband#401 · Filter by author tisonkun opened on Nov 3, 2026

• Reduce first-waiter overhead in Semaphore permit handoff

  good first issuehelp wanted
  apache/asyncband#400 · Filter by author tisonkun opened on Nov 3, 2026
  2

• Reduce the cost of forcing a fresh LazyCell

  good first issuehelp wanted
  apache/asyncband#399 · Filter by author tisonkun opened on Nov 3, 2026
  2

• Reduce the cost of initializing a fresh OnceCell

  good first issuehelp wanted
  apache/asyncband#398 · Filter by author tisonkun opened on Nov 3, 2026
  2

• Bring WaitGroup completion to parity with waitgroup

  good first issuehelp wanted
  apache/asyncband#397 · Filter by author tisonkun opened on Nov 3, 2026
  2

• Tracking issue for Asyncband primitive performance improvements

  good first issuehelp wanted
  apache/asyncband#396 · Filter by author tisonkun opened on Nov 3, 2026
  1

• Explore object pool recycling diagnostics and check timing

  enhancementgood first issuehelp wanted
  apache/asyncband#324 · Filter by author tisonkun opened on Sep 21, 2026
  6

• Explore MPMC queue contention, wakeup, and storage optimizations

  enhancementhelp wanted
  apache/asyncband#298 · Filter by author tisonkun opened on Sep 11, 2026
  8

• Explore a higher-level task group primitive

  apache/asyncband#272 · Filter by author tisonkun opened on Sep 3, 2026
  2

• Explore ManualResetEvent waiter storage and state fast paths

  enhancementgood first issuehelp wanted
  apache/asyncband#252 · Filter by author tisonkun opened on Aug 30, 2026
  1

• Explore a borrower-aware capacity limiter

  enhancement
  apache/asyncband#224 · Filter by author tisonkun opened on Aug 26, 2026
  1

• Define cooperative cancellation and its relation to shutdown

  enhancementgood first issuehelp wanted
  apache/asyncband#223 · Filter by author tisonkun opened on Aug 26, 2026

• Tracking Issue to evaluate async primitives

  apache/asyncband#218 · Filter by author tisonkun opened on Aug 26, 2026

• feat(broadcast): add an SPMC specialization

  enhancementgood first issuehelp wanted
  apache/asyncband#214 · Filter by author tisonkun opened on Aug 26, 2026

• design(spsc): decide whether to expose a dedicated queue

  enhancement
  apache/asyncband#210 · Filter by author tisonkun opened on Aug 26, 2026

• Tracking Issue to deliver the channel family incrementally

  enhancementhelp wanted
  apache/asyncband#206 · Filter by author tisonkun opened on Aug 26, 2026
  3

• Add Loom model checking for synchronization primitives

  apache/asyncband#185 · Filter by author mhambre opened on Aug 24, 2026
  1

• Proposal: Cross-runtime correctness validation for asyncband primitives

  apache/asyncband#154 · Filter by author jiengup opened on Aug 16, 2026
  6