fix(a11y): prevent horizontal scroll on login page at 320px (WCAG 1.4.10)#3440
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….10) The "Welcome back." <h1> previously used text-7xl (72px) at base breakpoint and text-8xl (96px) at sm and up. At 72px the heading measures ~520 CSS px wide which overflows a 320 CSS px viewport by ~200px and forces page-level horizontal scroll — a hard WCAG 1.4.10 Reflow failure. Shift the breakpoints down one tier: - base (<640px): text-5xl (48px). "Welcome back." ~320px wide, fits within a 320px viewport. - sm (640px+): text-7xl (72px). Same as the previous default. - md (768px+): text-8xl (96px). Same as previous sm:. Desktop and tablet rendering effectively unchanged; only mobile gets the smaller heading. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Alex-Tideman
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May 22, 2026
rossedfort
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Jun 4, 2026
Auto-generated version bump from 2.50.0 to 2.51.0 Bump type: minor Changes included: - [`495e27f7`](495e27f) Use pageSize instead of maximumPageSize (#3422) - [`42c58c45`](42c58c4) fix: use rem-based width for expanded side-nav (#3426) - [`ce928ed5`](ce928ed) fix(a11y): meet 4.5:1 contrast for text-subtle and text-warning (WCAG 1.4.3) (#3437) - [`e8ed8a49`](e8ed8a4) fix(a11y): consistent high-contrast focus rings across all Button variants (WCAG 1.4.11) (#3438) - [`03918fb5`](03918fb) fix(a11y): prevent horizontal scroll on login page at 320px (WCAG 1.4.10) (#3440) - [`a11555fb`](a11555f) fix(a11y): use rem-based font-size and unitless line-height in markdown reset (#3430) - [`057ff323`](057ff32) fix: use empty alt on decorative SDK logo image (#3424) - [`e435ffd7`](e435ffd) Standalone Activity details page UI updates (#3427) - [`e09028f3`](e09028f) Make bottom-nav accept linksSnippet instead of sections (#3445) - [`a22a1e21`](a22a1e2) Add tooltip for SDK version (#3462) - [`c3b7820e`](c3b7820) [DT-4039] Workflow query builder doesn't work with numeric search attributes (#3435) - [`5e53881f`](5e53881) Make Common Errors dismissable (#3471) - [`2665e2f1`](2665e2f) [DT-4048] Add accessibility PR triage and notification helpers (#3465) - [`8083cf4e`](8083cf4) feat(DT-4017): Schedules List UI Update (#3467) - [`b5de30e3`](b5de30e) fix(markdown): allow nested lists to render as block (DT-4047) (#3463) - [`8a6fd2de`](8a6fd2d) Add a prop to hide select/deselect controls (#3474) - [`33ec1b3e`](33ec1b3) DT-4051: pre-populate input when starting standalone activity like this one (#3469) - [`0d64fc20`](0d64fc2) fix(a11y): reveal Copyable's CopyButton on focus-within (WCAG 2.1.1) (#3452) - [`321651c0`](321651c) fix: accept autocomplete prop on NumberInput, ChipInput, and Combobox (#3425) - [`6567c222`](6567c22) fix: cap ZoomSvg container height to viewport (#3428) - [`afd3a8ed`](afd3a8e) fix(a11y): accommodate text-spacing overrides on Badge and Chip (WCAG 1.4.12) (#3433) - [`d264b876`](d264b87) fix(a11y): non-color signal for Label required indicator (WCAG 1.4.1) (#3439) - [`73c61ea3`](73c61ea) fix(a11y): tabindex on <main> so the skip link moves focus reliably (WCAG 2.4.1) (#3451) - [`34e582a8`](34e582a) fix(a11y): info-and-relationships compliance (WCAG 1.3.1) (#3432) - [`f7be7b6c`](f7be7b6) fix(query): quote ExecutionDuration Go duration strings in visibility SQL (#3482) - [`9f0c2631`](9f0c263) Passthrough goto params to link component (#3483) - [`2f8c037b`](2f8c037) feat: add centerButton, menuButton, and linksContent snippets to BottomNavigation (#3485) - [`7f258bac`](7f258ba) fix: add "for" to validate connection modal title (#3488) - [`350397ab`](350397a) feat(DT-4069): Update modal backdrop to 50% opaque (#3486) - [`f01baa49`](f01baa4) refactor: Input & DatePicker - Svelte 5 & afterLabel snippet (#3479) - [`587c892f`](587c892) Fix decoded object payload summaries (#3491) - [`2b85ef06`](2b85ef0) fix(DT-4044): only use browser codec endpoint when override option is selected (#3490) - [`468893ba`](468893b) fix(a11y): improve 1.1.1 non-text content compliance (#3431) - [`3e8c996d`](3e8c996) fix(a11y): make Tooltip keyboard-accessible, dismissible, and hoverable (#3429) - [`47552538`](4755253) fix(a11y): name-role-value compliance, partial (WCAG 4.1.2) (#3434) - [`e2c95d54`](e2c95d5) fix(a11y): align DOM order with visual order in mobile bottom-nav (WCAG 1.3.2) (#3441) - [`634b08e1`](634b08e) a11y(1.4.11): focus rings — lighten dark-mode --color-border-focus-info to indigo.400 so ring-primary/70 meets 3:1 against surface-primary (#3478) - [`039a555a`](039a555) a11y(1.4.11): Checkbox — add ring-offset so the checked-state focus ring contrasts against the indigo checked background (#3477) - [`01161e2e`](01161e2) a11y(1.4.10): activity-options drawer — make width responsive so it reflows at 320 px (#3476) - [`99f0a0a4`](99f0a0a) fix(a11y): filter hidden nav items in mobile bottom-nav (WCAG 4.1.2) (#3494) - [`d12ebacc`](d12ebac) fix(a11y): add focusin/focusout to saved-query nav hover tooltip (WCAG 2.1.1) (#3453) - [`c7206af9`](c7206af) fix(a11y): render a warning icon for Chip warning intent (WCAG 1.4.1) (#3450) - [`b64ed713`](b64ed71) fix(a11y): pair Toast variant background with a severity icon (WCAG 1.4.1) (#3449) - [`8e2ef708`](8e2ef70) upgrade temporal api version to latest (v1.62.13) (#3502) Co-authored-by: rossedfort <11775628+rossedfort@users.noreply.github.com>
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Summary
The login page's "Welcome back."
<h1>was sized too aggressively for mobile viewports:text-7xl(72px) at base,text-8xl(96px) atsm:. At 72px the heading is ~520 CSS px wide → overflows a 320 CSS px viewport by ~200px and forces page-level horizontal scroll.text-5xl(48px) base →text-7xl(72px)sm:→text-8xl(96px)md:. Breakpoints shifted down one tier.Desktop and tablet rendering effectively unchanged; mobile gets the smaller heading and no horizontal scroll.
Audit context
audit-output/issues/1.4.10-login-h1-reflow.md.Test plan
/login. No horizontal page scroll;<h1>fits within the viewport./login. No horizontal scroll at any intermediate width.text-8xlatmd:and up).text-7xl(wastext-8xl) — slightly smaller, still visually prominent.🤖 Generated with Claude Code