Bun v1.3 is our biggest release yet
Oct 11, 2025 · 4:04 PM UTC
41
79
1,103
138,020
We reduced idle CPU usage by 100x and lowered idle memory usage by 40% compared to Bun v1.2
2
67
4,471
+800 more tests from the Node.js test suite run on every commit of Bun.
if it works in Node.js and doesn't work in Bun, then please file an issue in Bun's github repository. It's our job to make sure everything that works in Node also works in Bun.
2
1
44
4,326
`bun install` now automatically migrates lockfiles from pnpm, yarn v1, and npm - while keeping your resolved dependency versions intact.
This lets you try `bun install` in existing projects with zero extra configuration
2
1
44
4,118
Isolated installs eliminate phantom dependencies in monorepos, and for workspaces it's now the default installation method for `bun install` (instead of "hoisted")
To configure this in bunfig.toml:
```
[install]
linker = "isolated"
# linker = "hoisted"
```
3
1
40
8,590
