Bun 1.1.13 addresses critical memory management issues reported by developers in production environments. The release includes a redesigned memory allocator and Libpas scavenger that reduce baseline memory usage by 5% and fix crashes in long-running processes. New features add Jest-compatible testing (isolate, parallel, shard flags) and 5x faster compression via zlib-ng.
Infrastructure
Anthropic bakes memory fixes into Bun 1.1.13 as developers complain of leaks
Bun 1.1.13 tackles production memory leaks with a redesigned allocator, cutting baseline usage by 5% and fixing long-running process crashes.
Tuesday, April 21, 2026 12:00 PM UTC2 MIN READSOURCE: The RegisterBY sys://pipeline
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infrastructure