Tailwind CSS v3.1.3 — Release Notes & Engineering Impact

Source available — automated, not human-reviewed

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

Analysis updated: 2026-11-01.

Compatibility not verified — check source notes

$ npm install --save-exact [email protected]

📄 .MD

🔧 Bug Fixes 6

⚡ Executive Summary (TL;DR)

Tailwind CSS v3.1.3. Source highlight: Fix extraction of multi-word utilities with arbitrary values and quotes (#8604)

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Who Does This Impact? (Role-Based Analysis)

💻 Software Engineers & Devs

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

📊 Product & Engineering Leads

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

⚙️ DevOps & Security

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

🔧 Bug Fixes & Patches (6)

Fix extraction of multi-word utilities with arbitrary values and quotes (#8604)
Fix casing of import of `corePluginList` type definition (#8587)
Ignore PostCSS nodes returned by `addVariant` (#8608)
Fix missing spaces around arithmetic operators (#8615)
Detect alpha value in CSS `theme()` function when using quotes (#8625)
Fix "Maximum call stack size exceeded" bug (#8636)

📄 View Raw Release Notes (Original Developer Log)

### Fixed - Fix extraction of multi-word utilities with arbitrary values and quotes ([#8604](https://github.com/tailwindlabs/tailwindcss/pull/8604)) - Fix casing of import of `corePluginList` type definition ([#8587](https://github.com/tailwindlabs/tailwindcss/pull/8587)) - Ignore PostCSS nodes returned by `addVariant` ([#8608](https://github.com/tailwindlabs/tailwindcss/pull/8608)) - Fix missing spaces around arithmetic operators ([#8615](https://github.com/tailwindlabs/tailwindcss/pull/8615)) - Detect alpha value in CSS `theme()` function when using quotes ([#8625](https://github.com/tailwindlabs/tailwindcss/pull/8625)) - Fix "Maximum call stack size exceeded" bug ([#8636](https://github.com/tailwindlabs/tailwindcss/pull/8636)) - Allow functions returning parallel variants to mutate the container ([#8622](https://github.com/tailwindlabs/tailwindcss/pull/8622)) - Remove text opacity CSS variables from `::marker` ([#8622](https://github.com/tailwindlabs/tailwindcss/pull/8622))

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