npm, #3437 most downloaded on npm

atomically

Read and write files atomically and reliably.

fabiospampinato/atomically122M downloads/moNew releases in your daily digest, changelog included.

Latest stable

2.1.1

Last release 9 months ago
08 Feb 2026
Release timing varies
gaps range from 3 weeks to 2.0 years
Some releases are documented
notes for 10 of 19 stable releases
Nothing withdrawn
no release was ever pulled
6 years old
19 releases · first in 2020

Releases on this page

Drag across the ruler to compare, or tap a release to open it.

2.1.18 Feb 2026
Bumped version to 2.1.1
Bumped version to 2.1.1
Open source →
Additional notes
This project publishes no release notes. Between v2.1.0 and v2.1.1 there were 4 commits, 4 of them substantive:

Readme: simplified installation instructions

Readme: mentioning how Readable streams can be written atomically too

Ensuring .tap and .nyc_output folders are not published to npm

Bumped version to 2.1.1
2.1.026 Oct 2025
Bumped version to 2.1.0
Bumped version to 2.1.0
Open source →
Additional notes
This project publishes no release notes. Between v2.0.6 and v2.1.0 there were 2 commits, 2 of them substantive:

Added support for writing readable streams too (async only) (#10)

Bumped version to 2.1.0

Your coding agent can read these notes before it upgrades. Set up the MCP server →

Release timeline

19 releases since 2020

2.0.626 Oct 2025

Bumped version to 2.0.6

Open source →

Additional notes

This project publishes no release notes. Between v2.0.5 and v2.0.6 there were 3 commits, 3 of them substantive:

Upgraded tap to v21
Disabled warnings from esbuild
Bumped version to 2.0.6

2.0.526 Oct 2025

Bumped version to 2.0.5

Open source →

Additional notes

This project publishes no release notes. Between v2.0.4 and v2.0.5 there were 2 commits, 2 of them substantive:

Fixed DEFAULT_USER_{U,G}ID calculation in edge cases (#16)
Bumped version to 2.0.5

2.0.426 Oct 2025

Bumped version to 2.0.4

Open source →

Additional notes

This project publishes no release notes. Between v2.0.3 and v2.0.4 there were 6 commits, 6 of them substantive:

Upgraded stubborn-fs to v2
Updated some dependencies
Avoiding publishing unnecessary files to NPM
Ensuring package.json has a license field
Removed leftover constant
Bumped version to 2.0.4

2.0.34 Apr 2024

Bumped version to 2.0.3

Open source →

Additional notes

This project publishes no release notes. Between v2.0.2 and v2.0.3 there were 4 commits, 4 of them substantive:

Updated dependencies
Simplified .gitignore
Ensuring the "Encoding", "ReadOptions" and "WriteOptions" types are exported
Bumped version to 2.0.3

2.0.226 Jul 2023

Bumped version to 2.0.2

Open source →

Additional notes

This project publishes no release notes. Between v2.0.1 and v2.0.2 there were 4 commits, 4 of them substantive:

Lowercased readme file
Lowercased license file
Updated stubborn-fs, which has an important bug fix
Bumped version to 2.0.2

2.0.111 Feb 2023

Bumped version to 2.0.1

Open source →

Additional notes

This project publishes no release notes. Between v2.0.0 and v2.0.1 there were 4 commits, 4 of them substantive:

Ensuring "process" is imported explicitly
Updated dependencies
Minor changes
Bumped version to 2.0.1

2.0.06 Nov 2022

Bumped version to 2.0.0

Open source →

Additional notes

This project publishes no release notes. Between v1.7.0 and v2.0.0 there were 17 commits, 17 of them substantive:

Updated tests to make sure they run on my new computer
Partial switch to ESM
Increased timeouts
Removed "is" dependency
Updated some dependencies
Updated tests
Readme: updated default timeouts
Updated stubborn-fs
Ensuring 0 timeouts are handled reliably
Skipping the mkdir call if we know the file exists already
Skipping the stat call if we know the file doesn't exist yet
Skipping the cmod call if we the file mode to set is the default one we have already
Skipping the chown call if we the file mode to set is the default one we have already
Minor formatting change
Turned a couple of tests off, since they assume that something is unoptimized to work
Updated benchmark
Bumped version to 2.0.0