# The Question List Covering 2026-06-08 to 2026-09-06 294 threads read this period, 294 of them new. Threads are counted per distinct account. Bots and pull requests are excluded. ## New this week ### 5 people: Why is the custom theme font sans variable not applied correctly? (new) - tailwindcss > This change should have been released by at least an minor level. It is too destructive to be included in a patch release. > GitHub … > - [source](https://github.com/tailwindlabs/tailwindcss/issues/20348#issuecomment-5112555331), 2026-07-29 > Well yes, I've easily set the fonts that used to be default manually. It is fixed for me. I just wished to inform you you … > - [source](https://github.com/tailwindlabs/tailwindcss/issues/20348#issuecomment-5033615022), 2026-07-21 > Same issue on my site. Here's the diff that my visual regression tests caught: \Image After upgrading from Tailwind CSS v3 to v4, all `@apply` directives inside `.less` files are broken. The build fails and styles are not applied. - … > - [`@apply` No Longer Works in `.less` Files After Upgrading to Tailwind CSS v4](https://github.com/tailwindlabs/tailwindcss/issues/20209), 2026-06-09 ### 2 people: Why does TypeScript export syntax conflict with Deno check? (new) - tailwindcss > tailwindcss/vite@4.3.1` breaks Vite's tsconfig `extends` resolution when running under Deno with `nodeModulesDir: "auto"` and npm imports from `deno.json`. The same reproducti … > - [@tailwindcss/vite 4.3.1 breaks Vite tsconfig extends resolution under Deno](https://github.com/tailwindlabs/tailwindcss/issues/20232), 2026-06-13 > TypeScript 6.0 (shipped in Deno v2.8.3) changed `export =` in ESM context from a warning (TS1203) to a hard error (TS1192). This causes `deno check` … > - [types: export = in @tailwindcss/postcss contradicts exports.import in package.json](https://github.com/tailwindlabs/tailwindcss/issues/20219), 2026-06-11 ### 2 people: Why do gradients vanish silently on older Chrome browsers? (new) - tailwindcss > What version of Tailwind CSS are you using?** **What browser are you using?** Chrome/Chromium (v112 & v150) https://play.tailwindcss.com/u7h2BGRLEb **Describe your issue** For … > - [Filter utilities not working in old chromium versions](https://github.com/tailwindlabs/tailwindcss/issues/20371), 2026-07-31 > What version of Tailwind CSS are you using?** v4.3.0 (latest), via `@tailwindcss/postcss` under Next.js 16 / Turbopack. **Describe your issue** The **default** gradient interp … > - [Default gradient interpolation (`in oklab`) has no fallback — gradients silently vanish on Chrome ≤110 (IACVT via `syntax:"*"` custom property)](https://github.com/tailwindlabs/tailwindcss/issues/20220), 2026-06-11 ### 2 people: Why is the group hover selector broken by postcss-selector-parser update? (new) - tailwindcss > What version of Tailwind CSS are you using?** For example: v4.3.0, v4.3.1 **What build tool (or framework if it abstracts the build tool) are you … > - [Resolves text-\[--spacing(n)\] as color instead of font-size](https://github.com/tailwindlabs/tailwindcss/issues/20256), 2026-06-18 > https://github.com/tailwindlabs/tailwindcss/blob/b01283cc9b66cf830d87cbfe1fbb5ebb8561226a/src/util/formatVariantSelector.js#L252 postcss-selector-parser from 6.1.2 to 6.1.3 , … > - [postcss-selector-parser version update cause bug](https://github.com/tailwindlabs/tailwindcss/issues/20222), 2026-06-12 ### 2 people: Why does the CLI crash when using the @source directive? (new) - tailwindcss > I'm seeing a startup/build hang when using the latest Docus project with Tailwind CSS 4.3.1. The issue occurs on a fresh project generated by … > - [Tailwind CSS 4.3.1 hangs in source scanner with @source "../../app.config.ts" used by Docus](https://github.com/tailwindlabs/tailwindcss/issues/20255), 2026-06-18 > What version of Tailwind CSS are you using?** **What build tool (or framework if it abstracts the build tool) are you using?** tailwindcss -i ./css/ … > - [v4.3.1 CLI fails with \[Error: Invalid handle\] when @source present](https://github.com/tailwindlabs/tailwindcss/issues/20231), 2026-06-13 ### 2 people: Why does the standalone CLI crash on macOS 27 with code 9? (new) - tailwindcss > Issue Description** MacOS gotten over the years much more uptight on signing requirements for binaries and currently the MacOS client can't be executed frequently failing … > - [Tailwind-Cli not signed for MacOS and therefor fails with the error "Tailwind-Cli is damaged and can't be opened. You should move it to …](https://github.com/tailwindlabs/tailwindcss/issues/20404), 2026-08-10 > What version of Tailwind CSS are you using?** **What build tool (or framework if it abstracts the build tool) are you using?** The standalone CLI, … > - [Tailwind cli fails on macOS 27 with code 9](https://github.com/tailwindlabs/tailwindcss/issues/20243), 2026-06-15 ## tailwindcss 25 standing asks ### 5 people: Why is the custom theme font sans variable not applied correctly? (new) > This change should have been released by at least an minor level. It is too destructive to be included in a patch release. > GitHub … > - [source](https://github.com/tailwindlabs/tailwindcss/issues/20348#issuecomment-5112555331), 2026-07-29 > Well yes, I've easily set the fonts that used to be default manually. It is fixed for me. I just wished to inform you you … > - [source](https://github.com/tailwindlabs/tailwindcss/issues/20348#issuecomment-5033615022), 2026-07-21 > Same issue on my site. Here's the diff that my visual regression tests caught: \Image After upgrading from Tailwind CSS v3 to v4, all `@apply` directives inside `.less` files are broken. The build fails and styles are not applied. - … > - [`@apply` No Longer Works in `.less` Files After Upgrading to Tailwind CSS v4](https://github.com/tailwindlabs/tailwindcss/issues/20209), 2026-06-09 ### 2 people: Why does TypeScript export syntax conflict with Deno check? (new) > tailwindcss/vite@4.3.1` breaks Vite's tsconfig `extends` resolution when running under Deno with `nodeModulesDir: "auto"` and npm imports from `deno.json`. The same reproducti … > - [@tailwindcss/vite 4.3.1 breaks Vite tsconfig extends resolution under Deno](https://github.com/tailwindlabs/tailwindcss/issues/20232), 2026-06-13 > TypeScript 6.0 (shipped in Deno v2.8.3) changed `export =` in ESM context from a warning (TS1203) to a hard error (TS1192). This causes `deno check` … > - [types: export = in @tailwindcss/postcss contradicts exports.import in package.json](https://github.com/tailwindlabs/tailwindcss/issues/20219), 2026-06-11 ### 2 people: Why do gradients vanish silently on older Chrome browsers? (new) > What version of Tailwind CSS are you using?** **What browser are you using?** Chrome/Chromium (v112 & v150) https://play.tailwindcss.com/u7h2BGRLEb **Describe your issue** For … > - [Filter utilities not working in old chromium versions](https://github.com/tailwindlabs/tailwindcss/issues/20371), 2026-07-31 > What version of Tailwind CSS are you using?** v4.3.0 (latest), via `@tailwindcss/postcss` under Next.js 16 / Turbopack. **Describe your issue** The **default** gradient interp … > - [Default gradient interpolation (`in oklab`) has no fallback — gradients silently vanish on Chrome ≤110 (IACVT via `syntax:"*"` custom property)](https://github.com/tailwindlabs/tailwindcss/issues/20220), 2026-06-11 ### 2 people: Why is the group hover selector broken by postcss-selector-parser update? (new) > What version of Tailwind CSS are you using?** For example: v4.3.0, v4.3.1 **What build tool (or framework if it abstracts the build tool) are you … > - [Resolves text-\[--spacing(n)\] as color instead of font-size](https://github.com/tailwindlabs/tailwindcss/issues/20256), 2026-06-18 > https://github.com/tailwindlabs/tailwindcss/blob/b01283cc9b66cf830d87cbfe1fbb5ebb8561226a/src/util/formatVariantSelector.js#L252 postcss-selector-parser from 6.1.2 to 6.1.3 , … > - [postcss-selector-parser version update cause bug](https://github.com/tailwindlabs/tailwindcss/issues/20222), 2026-06-12 ### 2 people: Why does the CLI crash when using the @source directive? (new) > I'm seeing a startup/build hang when using the latest Docus project with Tailwind CSS 4.3.1. The issue occurs on a fresh project generated by … > - [Tailwind CSS 4.3.1 hangs in source scanner with @source "../../app.config.ts" used by Docus](https://github.com/tailwindlabs/tailwindcss/issues/20255), 2026-06-18 > What version of Tailwind CSS are you using?** **What build tool (or framework if it abstracts the build tool) are you using?** tailwindcss -i ./css/ … > - [v4.3.1 CLI fails with \[Error: Invalid handle\] when @source present](https://github.com/tailwindlabs/tailwindcss/issues/20231), 2026-06-13 ### 2 people: Why does the standalone CLI crash on macOS 27 with code 9? (new) > Issue Description** MacOS gotten over the years much more uptight on signing requirements for binaries and currently the MacOS client can't be executed frequently failing … > - [Tailwind-Cli not signed for MacOS and therefor fails with the error "Tailwind-Cli is damaged and can't be opened. You should move it to …](https://github.com/tailwindlabs/tailwindcss/issues/20404), 2026-08-10 > What version of Tailwind CSS are you using?** **What build tool (or framework if it abstracts the build tool) are you using?** The standalone CLI, … > - [Tailwind cli fails on macOS 27 with code 9](https://github.com/tailwindlabs/tailwindcss/issues/20243), 2026-06-15 ### 2 people: Why does text-\[--spacing(n)\] resolve as color instead of font-size? (new) > So... took a look at the PR for this #19773 since it's been open since March without review and has gone stale yet is still … > - [source](https://github.com/tailwindlabs/tailwindcss/issues/19722#issuecomment-5208892050), 2026-08-06 > related https://github.com/cosscom/coss/issues/803 From 4.3.1 onward, --spacing(0) (and *-0 spacing utilities) compile to a bare unitless 0 instead of calc( … > - [--spacing(0) now resolves to a unitless 0, breaking downstream calc()](https://github.com/tailwindlabs/tailwindcss/issues/20315), 2026-07-09 ### 2 people: Why does the WASM fallback fail on HarmonyOS due to sandbox permission restrictions? (new) > Yes, running `npm install` was one of the first things we tried. This may ultimately be an npm issue rather than a Tailwind issue, but … > - [source](https://github.com/tailwindlabs/tailwindcss/issues/20324#issuecomment-4959852743), 2026-07-13 > @RobinMalfait Fair questions — I went and actually measured this instead of just asserting "slower". Here's what I found on a real HarmonyOS device (HongMeng … > - [source](https://github.com/tailwindlabs/tailwindcss/pull/20276#issuecomment-4950167198), 2026-07-12 ### 2 people: Why does hot reload fail for symlinks behind workspaces? (new) > Testing this a bit further, the same class shows up in the scanner's other consumers. The CLI's native `--watch` is affected with the mechanism inverted: … > - [source](https://github.com/tailwindlabs/tailwindcss/pull/20347#issuecomment-5008055957), 2026-07-17 > What version of Tailwind CSS are you using?** This regressed between v4.3.0 and v4.3.1 and is still reproducible in v4.3.3. **What build tool (or framework … > - [@tailwindcss/vite does not hot-reload new candidates from explicit @source files behind workspace symlinks since v4.3.1](https://github.com/tailwindlabs/tailwindcss/issues/20346), 2026-07-17 ### 2 people: Why is the :is selector generation incorrect for BEM modifier nesting? (new) > @RobinMalfait I know that. We run other postcss plugins to ensure browser compatibility etc. Does this seem correct? I would expect it to make the … > - [source](https://github.com/tailwindlabs/tailwindcss/pull/20124#issuecomment-5103140044), 2026-07-28 > What version of Tailwind CSS are you using?** **What build tool (or framework if it abstracts the build tool) are you using?** @tailwindcss/postcss via … > - [v4.3.3: &--modifier &__element nesting produces invalid :is() selectors](https://github.com/tailwindlabs/tailwindcss/issues/20358), 2026-07-28 ### 2 people: Why does PHPStorm flag valid dark mode utility classes as redundant? (new) > What version of Tailwind CSS are you using?** **What build tool (or framework if it abstracts the build tool) are you using?** **What version of … > - [PhpStorm flags valid dark: utility classes as redundant](https://github.com/tailwindlabs/tailwindcss/issues/20363), 2026-07-30 > > What OS are you on where you see the issue? Plus, what is the system language of your OS (especially if you are using … > - [source](https://github.com/tailwindlabs/tailwindcss/issues/20348#issuecomment-5114263052), 2026-07-29 ### 2 people: Why does the scanner emit invalid UTF-8 sequences from source? (new) > So I reproduced this without the race and it looks like a soundness bug potentially. A .tsx file with one stray continuation byte in a … > - [source](https://github.com/tailwindlabs/tailwindcss/issues/20368#issuecomment-5154195265), 2026-08-02 > A long-running `next dev` (Turbopack) process in a pnpm monorepo entered a state where Tailwind's generated CSS contained a corrupted copy of one arbitrary- … > - [Scanned candidate emitted with corrupted bytes (`child` → `U+FFFD \\x06 U+FFFD \\x01`) by a long-lived `next dev` (Turbopack) process — evidence against the scanner's ` …](https://github.com/tailwindlabs/tailwindcss/issues/20368), 2026-07-30 ### 2 people: Why is the specific release version containing the fix not identified? (new) > Since 4.3.2 fixes this, the actionable part is probably identifying which change fixed it and whether it warrants a 4.1.x backport — the report is … > - [source](https://github.com/tailwindlabs/tailwindcss/issues/20354#issuecomment-5083540861), 2026-07-26 > > Beautiful! Yep everything that goes into the main branch is released in the insiders build and eventually makes it into a release (if we … > - [source](https://github.com/tailwindlabs/tailwindcss/issues/20016#issuecomment-4840526538), 2026-06-30 ### 1 person: Why are class names adjacent to brackets not extracted? (new) > tailwind-tt-repro.zip\](https://github.com/user-attachments/files/28919537/tailwind-tt-repro.zip) **What version of Tailwind CSS are you using?** **What build tool (or framewor … > - [Class names adjacent to \[ and \] delimiters not extracted](https://github.com/tailwindlabs/tailwindcss/issues/20233), 2026-06-13 ### 1 person: Why is the source path incorrectly resolved to /users folder? (new) > @RobinMalfait No, there is no /Users/app.config.ts file on my machine. My project is located at: `/Users/fachrihilmi/docus-test` and there is no app.config.ts … > - [source](https://github.com/tailwindlabs/tailwindcss/issues/20255#issuecomment-4741042987), 2026-06-18 ### 1 person: Why does group-hover not work on mobile devices? (new) > opacity-0 group-hover:opacity-100 remains hidden on mobile view, I have content hover on image - on desktop, group-hover working fine, but when i … > - [group-hover not working on mobile](https://github.com/tailwindlabs/tailwindcss/issues/20271), 2026-06-23 ### 1 person: Why are variant classes not generated when using prefix? (new) > What version of Tailwind CSS are you using?** **What build tool (or framework if it abstracts the build tool) are you using?** @tailwindcss/vite 4.3.1, … > - [\[v4\] Variant classes (hover:, disabled:, etc.) are not generated when using prefix() - Breaking for any project using CSS prefix isolation](https://github.com/tailwindlabs/tailwindcss/issues/20284), 2026-06-29 ### 1 person: Why does the compiler cache ignore changed input CSS when mtime is unchanged? (new) > Tailwind version:** 4.3.2 (`tailwindcss` + `@tailwindcss/postcss`, latest at time of filing) **Node:** 22.x · reproduces on macOS and Linux `@tailwindcss/postcss` keeps a per- … > - [`@tailwindcss/postcss`: compiler cache ignores changed input CSS when `from`'s mtime is unchanged — stale output with any preprocessor (Sass) pipeline](https://github.com/tailwindlabs/tailwindcss/issues/20307), 2026-07-04 ### 1 person: Why does the CLI crash on Android Termux due to missing native build fallback? (new) > When running the Tailwind v4 CLI (@tailwindcss/cli@4.3.2) inside a **Termux (Android)** environment using Node.js v24, the CLI crashes instantly during tw:dev (watch mode). … > - [Tailwind v4 CLI crashes on Android/Termux due to missing native build fallback (`@parcel/watcher`)](https://github.com/tailwindlabs/tailwindcss/issues/20322), 2026-07-11 ### 1 person: Why does the upgrade tool rewrite node_modules files? (new) > When `@tailwindcss/upgrade` is run from a **subpackage of a pnpm workspace**, it traverses `../../node_modules/…` and rewrites files inside the installed `tailwindcss` package … > - [`@tailwindcss/upgrade` rewrites files in `node_modules` when run from a pnpm workspace subpackage](https://github.com/tailwindlabs/tailwindcss/issues/20328), 2026-07-14 ### 1 person: Why does the root source hide nested sources regression? (new) > What version of Tailwind CSS are you using?** **What build tool (or framework if it abstracts the build tool) are you using?** Vite 8.1.4 with … > - [Root-level concrete @source hides nested concrete sources with source(none) in v4.3.2](https://github.com/tailwindlabs/tailwindcss/issues/20333), 2026-07-15 ## The numbers behind this report Every line above counts DISTINCT people, never posts. Each is linked to the public page it came from, so you can check any of them in one click. - New this period: 294 - Read this period: 294 - Analysed: 294 - Maintainer posts excluded: 63 Source: GitHub. 294 threads analysed over 90 days. 63 posts by the project's own maintainers are excluded from every count.