## I have read the
[CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md)
file.
YES
## What kind of change does this PR introduce?
This is a first draft at introducing semantic colours to our
Observability charts. This moves away from just random colours being
assigned to prop after prop. They're only scoped to the Database reports
right now, but if it flows nice, we can open it up to the other reports
too.
This also aims to tone down some of the harsher colours in our charts,
such as the orange which sometimes can look like a warning metric/prop.
| Before | After |
|--------|--------|
| <img width="839" height="336" alt="Screenshot 2026-06-10 at 09 14 56"
src="https://github.com/user-attachments/assets/222747c5-973b-4165-aa53-df7b93412ad3"
/> | <img width="950" height="341" alt="Screenshot 2026-09-14 at 18 14
47"
src="https://github.com/user-attachments/assets/836f3ddd-4a97-4064-b8cf-3a3b435417ac"
/> |
cc @supabase/design for additional thoughts.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added semantic chart color roles with light and dark theme variants
for consistent visualizations.
* Standardized colors and fills across database, networking, storage,
and connection charts.
* Maximum-value lines now use configured chart colors when available.
* Added chart palette reference and stress-test examples.
* Added stacked bar charts, customizable margins, and gradient-filled
line charts.
* Improved multi-series bar chart focus and date-range footer alignment.
* **Documentation**
* Documented the chart palette, theme variants, accessibility guidance,
and usage recommendations.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-authored-by: Gildas Garcia <1122076+djhi@users.noreply.github.com>
## I have read the
[CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md)
file.
YES
## What kind of change does this PR introduce?
This fixes the following:
- Our `<MetricCard />` and `<LogsBarChart />` which use `<ChartTitle />`
were rendering the wrong font style for the title. The `font-mono` class
being overwritten by recent changes, this helps sort cascade so it
renders correct.
- In our design system, the warning variable for charts was rendering
black, this should be fixed to be our warning yellow.
- There was an odd padding on `<MetricsCard />` content area, meaning
our line chart wasn't flush to the edges, this required a small
extension to `twMerge` so it could resolve.
Please have a look around studio in places we have charts to double
check nothing is broken. Also compare live design system vs. this branch
by checking Logs Bar Chart, Charts and Metrics Card pages.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Style**
* Refined heading typography for more consistent font and weight
styling.
* Improved class merging for custom spacing utilities.
* **Bug Fixes**
* Adjusted composed chart Y-axis sizing for clearer layouts.
* Improved warning color fallbacks in log bar charts.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
## What kind of change does this PR introduce?
Accessibility / lint hardening (Safari keyboard focus).
## What is the current behavior?
`supabase/require-explicit-tabindex` is `'warn'`. Studio’s ratchet was
at 0 but the rule was still ratcheted; www / docs / design-system still
had raw `<button>` / `role="button"` call sites without an explicit
`tabIndex`.
[DEPR-627](https://linear.app/supabase/issue/DEPR-627) · follow-up to
#47984 / #48040
## What is the new behavior?
- Shared config: `'supabase/require-explicit-tabindex': 'error'`
- Swept www / docs / design-system (+ Studio test fixtures the ratchet
skipped)
- Removed the rule from the Studio ratchet + baselines
## To test
Prefer **Safari**. This PR only adds explicit `tabIndex` to raw
`<button>` / `role="button"` call sites — not links, and not controls
that already go through `Button` from `ui`.
### Marketing (`www`) ([staging
link](https://zone-www-dot-com-git-danny-depr-627-promote-req-7ae43c-supabase.vercel.app/))
- [x] Homepage frameworks / dashboard feature tabs — Tab through each
tab button
- [x] Product pages (e.g. `/auth`, `/database`) — section tab switchers
- [x] Narrow viewport — open the hamburger; Tab through menu buttons
- [x] `/partners/catalog` — filter / view controls
- [x] Blog view toggle (list ↔ grid)
### Docs ([staging
link](https://docs-git-danny-depr-627-promote-require-explici-25e46d-supabase.vercel.app/))
- [x] **Desktop (≥ lg):** top-right **⋯ menu** (hamburger icon) — opens
a dropdown that includes Theme. Not a separate theme button.
- [x] **Mobile (< lg):** top-right **hamburger** opens the sheet; close
(X) is the raw button we tagged. Theme inside the sheet uses
`ThemeToggle` / `DropdownMenuTrigger` from `ui` (already supposed to set
`tabIndex`).
- [x] **Code blocks** — copy / language controls
- [x] **Is this helpful?** — X / check are `Button` from `ui` (should
already Tab). After voting **while signed in**, the follow-up “What went
well?” / “How can we improve?” text button is the raw one we tagged.
- [x] **AI Tools → Copy as Markdown** (right rail on a guide) — this is
the only GuidesSidebar control this PR changed. “On this page” TOC items
are **links**, not covered by this lint.
- [x] **Reference docs** (e.g. JS client reference) — section headers
that expand/collapse in the left nav (`Collapsible.Trigger`)
- [x] **Troubleshooting index** — type in the search field, then Tab to
the **clear (X)** control
### Dashboard (`studio`)
No production UI changes in this PR (tests + lint config only). Quick
Safari smoke that prior tabindex work still holds:
- [x] Project sidebar — Tab through primary nav links
- [x] Settings → General — Tab through inputs / buttons
- [x] Storage → Files — Tab a bucket row / file actions
This PR adds an error state to the usage charts on the Project home
page.
<img width="1708" height="471" alt="Screenshot 2026-06-16 at 18 10 20"
src="https://github.com/user-attachments/assets/cba87dad-5e23-4cd1-b787-0ea699445d7f"
/>
I also added an error state to the charts in the [design
system](https://design-system-git-feat-chart-error-state-supabase.vercel.app/design-system/docs/ui-patterns/charts#chart-states).
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Charts now display error states when data retrieval or processing
fails, providing users with clear feedback about issues.
* Improved error visibility and handling across analytics and charting
components for better transparency.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
This PR migrates the whole monorepo to use Tailwind v4:
- Removed `@tailwindcss/container-queries` plugin since it's included by
default in v4,
- Bump all instances of Tailwind to v4. Made minimal changes to the
shared config to remove non-supported features (`alpha` mentions),
- Migrate all apps to be compatible with v4 configs,
- Fix the `typography.css` import in 3 apps,
- Add missing rules which were included by default in v3,
- Run `pnpm dlx @tailwindcss/upgrade` on all apps, which renames a lot
of classes
- Rename all misnamed classes according to
https://tailwindcss.com/docs/upgrade-guide#renamed-utilities in all
apps.
---------
Co-authored-by: Jordi Enric <jordi.err@gmail.com>
Sorted all imports in all packages, `cms`, `design-system` and
`ui-library` apps by running `pnpm format` on them.
All changes in this PR are done by the script.
* feat: remove unused chart files
* chore: regenerate registry
* fix: logs bar chart positioning
* feat: add charts page to ui patterns
* chore: alphabetise ui patterns nav
* feat: base composable chart components
* chore: prettier for charts.mdx
* chore: slowly putting example together
* feat: add chart header components
* feat: add chart content wrapper
* feat: add recharts to source
* feat: add empty state handling
* feat: add loading state for content area as well
* feat: starting on actual recharts pieces
* feat: add basic api to documentation
* feat: add disabled state too
* feat: couple of basic chart types
* chore: tidy up for now
* feat: modify eslint rules for our demo files
* fix: recharts logo colour on light mode
* feat: absorb metric card into chart
* feat: align prop for chart header
* feat: refactor chart content
* feat: example with table
* chore: format for prettier
* fix: pkg lock merge conflict
* fix: small bits from danny
* feat: add link in ui pattern intro to charts
* chore: remove charts link from atoms
* chore: update metric padding to saxon suggestion
* feat: table footer overrides by default
* feat: update api props in table
* chore: formating
Danny White