FormatJS Files

1.1.20 (2026-07-16)

What's Changed

• fix(@formatjs/icu-skeleton-parser): map e/c weekday counts 4/5/6 to long/narrow/short by @spokodev in https://github.com/formatjs/formatjs/pull/6852
• fix(deps): materialize published package manifests by @longlho in https://github.com/formatjs/formatjs/pull/6844
• feat(@formatjs/intl-datetimeformat): update IANA timezone database to 2026c by @longlho in https://github.com/formatjs/formatjs/pull/6854
• build(@formatjs/intl-datetimeformat): make tzdata generation hermetic by @longlho in https://github.com/formatjs/formatjs/pull/6855
• fix(deps): update package manifests in release PRs by @longlho in https://github.com/formatjs/formatjs/pull/6856
• docs: update upgrade guide to reflect relaxed React 18 support by @yslpn in https://github.com/formatjs/formatjs/pull/6818
• chore: release main by @longlho in https://github.com/formatjs/formatjs/pull/6857
• docs: add Korean (ko-KR) to homepage live demo by @moduvoice in https://github.com/formatjs/formatjs/pull/6858
• chore(deps): update OXC packages to 0.138 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6826
• chore(deps): update dependency oxfmt to ^0.57.0 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6824
• chore(deps): update dependency eslint to v10.6.0 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6821
• chore(deps): update rust crate anyhow to v1.0.103 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6861
• fix(deps): align NAPI runtime and derive by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6862
• fix(deps): update dependency babel-plugin-formatjs to v11.3.14 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6863
• fix(deps): update dependency eslint-plugin-formatjs to v6.4.16 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6864
• fix(deps): update formatjs monorepo by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6865
• chore(deps): update actions/checkout action to v7 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6867
• chore(deps): update jest monorepo to v30 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6868
• fix(deps): restore Jest 29 compatibility by @longlho in https://github.com/formatjs/formatjs/pull/6872
• chore(deps): update dependency rolldown to v1.1.4 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6860
• fix(deps): update oxc to 0.139 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6870
• feat(babel-plugin-formatjs): require Babel 8 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6869
• chore(deps): adopt TypeScript 7 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6819
• chore(deps): update dependency oxfmt to ^0.58.0 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6875
• chore(deps): update dependency rolldown-plugin-dts to ^0.27.0 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6825
• chore(deps): update pnpm to v11.10.0 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6866
• chore(deps): update dependency rolldown to v1.1.5 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6878
• fix(deps): update example TypeScript to v7 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6881
• fix(icu_messageformat_parser): dedupe structural variables by @longlho in https://github.com/formatjs/formatjs/pull/6883
• fix(deps): update dependency babel-plugin-formatjs to v11.3.15 by @renovate[bot] in https://github.com/formatjs/formatjs/pull/6884

New Contributors

• @yslpn made their first contribution in https://github.com/formatjs/formatjs/pull/6818
• @moduvoice made their first contribution in https://github.com/formatjs/formatjs/pull/6858

Full Changelog: https://github.com/formatjs/formatjs/compare/formatjs_cli_v1.1.19...formatjs_cli_v1.1.20

Dependencies

• The following workspace dependencies were updated
• dependencies
  • formatjs_icu_messageformat_parser bumped from 0.2.5 to 0.2.6

Binaries

• macOS Apple Silicon: formatjs_cli-darwin-arm64
• Linux ARM64: formatjs_cli-linux-arm64
• Linux x86_64: formatjs_cli-linux-x64
• Windows x64: formatjs_cli-win32-x64.exe

Installation

:::bash
# macOS (Apple Silicon)
curl -LO https://github.com/formatjs/formatjs/releases/download/formatjs_cli_v1.1.20/formatjs_cli-darwin-arm64
chmod +x formatjs_cli-darwin-arm64
sudo mv formatjs_cli-darwin-arm64 /usr/local/bin/formatjs

# Linux
curl -LO https://github.com/formatjs/formatjs/releases/download/formatjs_cli_v1.1.20/formatjs_cli-linux-x64
chmod +x formatjs_cli-linux-x64
sudo mv formatjs_cli-linux-x64 /usr/local/bin/formatjs

# Linux ARM64
curl -LO https://github.com/formatjs/formatjs/releases/download/formatjs_cli_v1.1.20/formatjs_cli-linux-arm64
chmod +x formatjs_cli-linux-arm64
sudo mv formatjs_cli-linux-arm64 /usr/local/bin/formatjs

:::powershell
# Windows x64 (PowerShell)
curl.exe -LO https://github.com/formatjs/formatjs/releases/download/formatjs_cli_v1.1.20/formatjs_cli-win32-x64.exe

Verification

Verify the checksums:

:::bash
curl -LO https://github.com/formatjs/formatjs/releases/download/formatjs_cli_v1.1.20/checksums.txt
shasum -a 256 -c checksums.txt