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Bun uses 2-10% idle CPU with large module registry + timers (Node.js uses ~0%)

Status: Open.

#27365 In oven-sh/bun;

· jlucaso1 opened on Feb 23, 2026

Bun SQL: Sequential <code>await sql.unsafe()</code> calls hang forever on remote TCP connections

bugSomething isn't workingSomething isn't working

needs triage

Status: Open.

#27362 In oven-sh/bun;

· chenbimo opened on Feb 23, 2026

Memory leak in fetch() with TLS client certificates (mTLS)

Status: Open.

#27358 In oven-sh/bun;

· slucascosta opened on Feb 22, 2026

hmr crash with seedrandom module

crashAn issue that could cause a crashAn issue that could cause a crash

needs triage

Status: Open.

#27356 In oven-sh/bun;

· Pyrolistical opened on Feb 22, 2026

fetch() hangs indefinitely on HTTPS connections in Docker on VM with VXLAN

bugSomething isn't workingSomething isn't working

needs triage

Status: Open.

#27351 In oven-sh/bun;

· 0herm opened on Feb 22, 2026

Illegal instruction (core dumped) — SIGILL in wasm_trampoline_wasm_ipint_call_wide32 on Linux x86_64_baseline (v1.3.10)

Status: Open.

#27348 In oven-sh/bun;

· MrTelecom opened on Feb 22, 2026

Segmentation fault in WASM trampoline (v1.3.10, Linux x86_64)

Status: Open.

#27340 In oven-sh/bun;

· WayneKennedy opened on Feb 22, 2026

Allow to access private properties in <code>bun:test</code>

enhancementNew feature or requestNew feature or request

Status: Open.

#27339 In oven-sh/bun;

· i-love-neko-girls opened on Feb 22, 2026

TypeScript accessor keyword in classes fails to parse

bugSomething isn't workingSomething isn't working

needs triage

Status: Open.

#27335 In oven-sh/bun;

· zouhirwatersen opened on Feb 21, 2026

[S3] contentEncoding is not working

bugSomething isn't workingSomething isn't working

needs triage

Status: Open.

#27328 In oven-sh/bun;

· unendingblue opened on Feb 21, 2026

Failed to execute process error on Raspberry Pi 4 Model B/Raspbian GNU/Linux 13 (trixie)

bugSomething isn't workingSomething isn't working

needs triage

Status: Open.

#27322 In oven-sh/bun;

· haai-team opened on Feb 21, 2026

panic: incorrect alignment on Windows ARM64 (Snapdragon)

Status: Open.

#27321 In oven-sh/bun;

· tplatzbecker opened on Feb 21, 2026