Tailwind CSS v3.1.5stable Released Jul 07, 2022
Impact Score: 5/10

Tailwind CSS v3.1.5 β€” Release Notes & Engineering Impact

Source available β€” automated, not human-reviewed

Component: tailwind Β· Channel: stable. Automated analysis, not a compatibility certification. How this works.

Analysis updated: 2026-11-01.

Compatibility not verified β€” check source notes
$ npm install --save-exact [email protected]
πŸ“„ .MD
⚑ Executive Summary (TL;DR)

Tailwind CSS v3.1.5. Source highlight: Support configuring a default `font-weight` for each font size utility (#8763)

Who Does This Impact? (Role-Based Analysis)

πŸ’» Software Engineers & Devs

Check the source notes against the package and APIs you use before upgrading.

πŸ“Š Product & Engineering Leads

Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.

βš™οΈ DevOps & Security

Verify the target version, runtime requirements and rollback procedure in the official documentation.

✨ New Features & Capabilities (2)

  • Support configuring a default `font-weight` for each font size utility (#8763)
  • Add support for alpha values in safe list (#8774)

πŸ”§ Bug Fixes & Patches (5)

  • Improve types to support fallback values in the CSS-in-JS syntax used in plugin APIs (#8762)
  • Support including `tailwindcss` and `autoprefixer` in `postcss.config.js` in standalone CLI (#8769)
  • Fix using special-characters as prefixes (#8772)
  • Don’t prefix classes used within arbitrary variants (#8773)
  • Add more explicit types for the default theme (#8780)
πŸ“„ View Raw Release Notes (Original Developer Log)
### Added - Support configuring a default `font-weight` for each font size utility ([#8763](https://github.com/tailwindlabs/tailwindcss/pull/8763)) - Add support for alpha values in safe list ([#8774](https://github.com/tailwindlabs/tailwindcss/pull/8774)) ### Fixed - Improve types to support fallback values in the CSS-in-JS syntax used in plugin APIs ([#8762](https://github.com/tailwindlabs/tailwindcss/pull/8762)) - Support including `tailwindcss` and `autoprefixer` in `postcss.config.js` in standalone CLI ([#8769](https://github.com/tailwindlabs/tailwindcss/pull/8769)) - Fix using special-characters as prefixes ([#8772](https://github.com/tailwindlabs/tailwindcss/pull/8772)) - Don’t prefix classes used within arbitrary variants ([#8773](https://github.com/tailwindlabs/tailwindcss/pull/8773)) - Add more explicit types for the default theme ([#8780](https://github.com/tailwindlabs/tailwindcss/pull/8780))