Impact Score: 5/10
Tailwind CSS v3.3.6 — 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.
⚡ Executive Summary (TL;DR)
Tailwind CSS v3.3.6. Source highlight: Don’t add spaces to negative numbers following a comma (#12324)
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)
- Don’t add spaces to negative numbers following a comma (#12324)
- Don't emit `@config` in CSS when watching via the CLI (#12327)
- Improve types for `resolveConfig` (#12272)
- Ensure configured `font-feature-settings` for `mono` are included in Preflight (#12342)
- Improve candidate detection in minified JS arrays (without spaces) (#12396)
- Don't crash when given applying a variant to a negated version of a simple utility (#12514)
📄 View Raw Release Notes (Original Developer Log)
### Fixed
- Don’t add spaces to negative numbers following a comma ([#12324](https://github.com/tailwindlabs/tailwindcss/pull/12324))
- Don't emit `@config` in CSS when watching via the CLI ([#12327](https://github.com/tailwindlabs/tailwindcss/pull/12327))
- Improve types for `resolveConfig` ([#12272](https://github.com/tailwindlabs/tailwindcss/pull/12272))
- Ensure configured `font-feature-settings` for `mono` are included in Preflight ([#12342](https://github.com/tailwindlabs/tailwindcss/pull/12342))
- Improve candidate detection in minified JS arrays (without spaces) ([#12396](https://github.com/tailwindlabs/tailwindcss/pull/12396))
- Don't crash when given applying a variant to a negated version of a simple utility ([#12514](https://github.com/tailwindlabs/tailwindcss/pull/12514))
- Fix support for slashes in arbitrary modifiers ([#12515](https://github.com/tailwindlabs/tailwindcss/pull/12515))
- Fix source maps of variant utilities that come from an `@layer` rule ([#12508](https://github.com/tailwindlabs/tailwindcss/pull/12508))
- Fix loading of built-in plugins when using an ESM or TypeScript config with the Standalone CLI ([#12506](https://github.com/tailwindlabs/tailwindcss/pull/12506))