diff --git a/_axe-baseline.json b/_axe-baseline.json
new file mode 100644
index 0000000000..3181d9ed20
--- /dev/null
+++ b/_axe-baseline.json
@@ -0,0 +1,719 @@
+{
+  "signatureScheme": 1,
+  "findings": [
+    {
+      "signature": "scrollable-region-focusable :: #cb",
+      "pages": [],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "meta-viewport :: meta",
+      "pages": [],
+      "impact": "critical",
+      "note": "upstream: quarto-cli#14952 (revealjs text cannot be resized; the template hard-codes maximum-scale=1.0, user-scalable=no on every deck)"
+    },
+    {
+      "signature": "color-contrast :: #000000 on #151515",
+      "pages": ["docs/interactive/widgets/htmlwidgets.html"],
+      "impact": "serious",
+      "note": "third-party: dygraphs — can't override the axis-label color with CSS (inline style set by dygraph.js); needs rstudio/dygraphs to upgrade to dygraph.js >= 2.0"
+    },
+    {
+      "signature": "aria-prohibited-attr :: g[aria-label=\"y-axis tick\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — axis tick/grid <g> has aria-label with no role; fixed in Plot 0.6.14 (observablehq/plot#2018), but Quarto bundles Plot 0.6.11 (quarto-cli#14934). Prune when Quarto updates Plot."
+    },
+    {
+      "signature": "aria-prohibited-attr :: g[aria-label=\"x-axis tick\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — axis tick/grid <g> has aria-label with no role; fixed in Plot 0.6.14 (observablehq/plot#2018), but Quarto bundles Plot 0.6.11 (quarto-cli#14934). Prune when Quarto updates Plot."
+    },
+    {
+      "signature": "aria-prohibited-attr :: g[aria-label=\"rect\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — every mark <g> gets an aria-label with no role, by design (observablehq/plot#944, #1760). Not fixed in Plot 0.6.17."
+    },
+    {
+      "signature": "aria-prohibited-attr :: g[aria-label=\"frame\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — every mark <g> gets an aria-label with no role, by design (observablehq/plot#944, #1760). Not fixed in Plot 0.6.17."
+    },
+    {
+      "signature": "aria-prohibited-attr :: #ojs-cell > .ojs-in-a-box-waiting-for-module-import.observablehq > .plot-d6a7b5[font-family=\"system-ui, sans-serif\"][font-size=\"*\"] > g[aria-label=\"y-axis tick\"][transform=\"translate(*,*.*)\"][fill=\"none\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — axis tick/grid <g> has aria-label with no role; fixed in Plot 0.6.14 (observablehq/plot#2018), but Quarto bundles Plot 0.6.11 (quarto-cli#14934). Prune when Quarto updates Plot."
+    },
+    {
+      "signature": "aria-prohibited-attr :: #ojs-cell > .ojs-in-a-box-waiting-for-module-import.observablehq > .plot-d6a7b5[font-family=\"system-ui, sans-serif\"][font-size=\"*\"] > g[aria-label=\"x-axis tick\"][transform=\"translate(*.*,*)\"][fill=\"none\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — axis tick/grid <g> has aria-label with no role; fixed in Plot 0.6.14 (observablehq/plot#2018), but Quarto bundles Plot 0.6.11 (quarto-cli#14934). Prune when Quarto updates Plot."
+    },
+    {
+      "signature": "aria-prohibited-attr :: #ojs-cell > .ojs-in-a-box-waiting-for-module-import.observablehq > .plot-d6a7b5[font-family=\"system-ui, sans-serif\"][font-size=\"*\"] > g[aria-label=\"line\"][stroke-width=\"*.*\"][stroke-linejoin=\"round\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — every mark <g> gets an aria-label with no role, by design (observablehq/plot#944, #1760). Not fixed in Plot 0.6.17."
+    },
+    {
+      "signature": "aria-prohibited-attr :: #ojs-cell > .ojs-in-a-box-waiting-for-module-import.observablehq > .plot-d6a7b5[height=\"*\"][viewBox=\"* * * *\"] > g[aria-label=\"y-axis tick\"][transform=\"translate(*,*.*)\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — axis tick/grid <g> has aria-label with no role; fixed in Plot 0.6.14 (observablehq/plot#2018), but Quarto bundles Plot 0.6.11 (quarto-cli#14934). Prune when Quarto updates Plot."
+    },
+    {
+      "signature": "aria-prohibited-attr :: #ojs-cell > .ojs-in-a-box-waiting-for-module-import.observablehq > .plot-d6a7b5[height=\"*\"][viewBox=\"* * * *\"] > g[aria-label=\"x-axis tick\"][transform=\"translate(*.*,*)\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — axis tick/grid <g> has aria-label with no role; fixed in Plot 0.6.14 (observablehq/plot#2018), but Quarto bundles Plot 0.6.11 (quarto-cli#14934). Prune when Quarto updates Plot."
+    },
+    {
+      "signature": "aria-prohibited-attr :: #ojs-cell > .ojs-in-a-box-waiting-for-module-import.observablehq > .plot-d6a7b5[height=\"*\"][viewBox=\"* * * *\"] > g[aria-label=\"frame\"][transform=\"translate(*.*,*.*)\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — every mark <g> gets an aria-label with no role, by design (observablehq/plot#944, #1760). Not fixed in Plot 0.6.17."
+    },
+    {
+      "signature": "aria-prohibited-attr :: #ojs-cell > .ojs-in-a-box-waiting-for-module-import.observablehq > .plot-d6a7b5[height=\"*\"][viewBox=\"* * * *\"] > g[aria-label=\"rect\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — every mark <g> gets an aria-label with no role, by design (observablehq/plot#944, #1760). Not fixed in Plot 0.6.17."
+    },
+    {
+      "signature": "aria-prohibited-attr :: g[aria-label=\"line\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — every mark <g> gets an aria-label with no role, by design (observablehq/plot#944, #1760). Not fixed in Plot 0.6.17."
+    },
+    {
+      "signature": "aria-prohibited-attr :: g[aria-label=\"y-grid\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — axis tick/grid <g> has aria-label with no role; fixed in Plot 0.6.14 (observablehq/plot#2018), but Quarto bundles Plot 0.6.11 (quarto-cli#14934). Prune when Quarto updates Plot."
+    },
+    {
+      "signature": "aria-prohibited-attr :: g[aria-label=\"x-grid\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — axis tick/grid <g> has aria-label with no role; fixed in Plot 0.6.14 (observablehq/plot#2018), but Quarto bundles Plot 0.6.11 (quarto-cli#14934). Prune when Quarto updates Plot."
+    },
+    {
+      "signature": "aria-prohibited-attr :: g[aria-label=\"rule\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — every mark <g> gets an aria-label with no role, by design (observablehq/plot#944, #1760). Not fixed in Plot 0.6.17."
+    },
+    {
+      "signature": "aria-prohibited-attr :: svg[height=\"*\"] > g[aria-label=\"y-axis tick\"][transform=\"translate(*,*.*)\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — axis tick/grid <g> has aria-label with no role; fixed in Plot 0.6.14 (observablehq/plot#2018), but Quarto bundles Plot 0.6.11 (quarto-cli#14934). Prune when Quarto updates Plot."
+    },
+    {
+      "signature": "aria-prohibited-attr :: svg[height=\"*\"] > g[aria-label=\"x-axis tick\"][transform=\"translate(*.*,*)\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — axis tick/grid <g> has aria-label with no role; fixed in Plot 0.6.14 (observablehq/plot#2018), but Quarto bundles Plot 0.6.11 (quarto-cli#14934). Prune when Quarto updates Plot."
+    },
+    {
+      "signature": "aria-prohibited-attr :: svg[height=\"*\"] > g[aria-label=\"frame\"][transform=\"translate(*.*,*.*)\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — every mark <g> gets an aria-label with no role, by design (observablehq/plot#944, #1760). Not fixed in Plot 0.6.17."
+    },
+    {
+      "signature": "aria-prohibited-attr :: svg[height=\"*\"] > g[aria-label=\"rect\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — every mark <g> gets an aria-label with no role, by design (observablehq/plot#944, #1760). Not fixed in Plot 0.6.17."
+    },
+    {
+      "signature": "aria-prohibited-attr :: g[aria-label=\"tick\"]",
+      "pages": [],
+      "impact": "serious",
+      "note": "third-party: Observable Plot — every mark <g> gets an aria-label with no role, by design (observablehq/plot#944, #1760). Not fixed in Plot 0.6.17."
+    },
+    {
+      "signature": "label :: input[type=\"range\"]",
+      "pages": ["docs/computations/ojs.html", "docs/interactive/ojs/examples/arquero.html", "docs/interactive/ojs/examples/layout.html", "docs/interactive/ojs/examples/penguins.html", "docs/interactive/ojs/index.html", "docs/interactive/ojs/ojs-cells.html"],
+      "impact": "critical",
+      "note": "third-party: Observable Inputs — Inputs.range puts its <label for> on the number box only, so the slider has no accessible name even when `label` is set. Same in Inputs 0.12.0; no upstream issue."
+    },
+    {
+      "signature": "label :: #ojs-cell > .ojs-in-a-box-waiting-for-module-import.observablehq > form > .oi-3a86ea-input > input[type=\"range\"]",
+      "pages": [],
+      "impact": "critical",
+      "note": "third-party: Observable Inputs — Inputs.range puts its <label for> on the number box only, so the slider has no accessible name even when `label` is set. Same in Inputs 0.12.0; no upstream issue. Selector becomes .inputs-3a86ea-input when Quarto updates Inputs (quarto-cli#14934): replace this entry then."
+    },
+    {
+      "signature": "label :: #ojs-cell > .observablehq > form > .oi-3a86ea-input > input[type=\"range\"]",
+      "pages": [],
+      "impact": "critical",
+      "note": "third-party: Observable Inputs — Inputs.range puts its <label for> on the number box only, so the slider has no accessible name even when `label` is set. Same in Inputs 0.12.0; no upstream issue. Selector becomes .inputs-3a86ea-input when Quarto updates Inputs (quarto-cli#14934): replace this entry then."
+    },
+    {
+      "signature": "label :: input[value=\"*\"]",
+      "pages": ["docs/interactive/ojs/code-reuse.html", "docs/interactive/ojs/data-sources.html", "docs/interactive/ojs/examples/github.html"],
+      "impact": "critical",
+      "note": "third-party: Observable Inputs — Inputs.table selection checkboxes have no label, and no option adds one. `select: false` (Inputs 0.11.0+) removes them but leaves the scroll container with nothing focusable. Same in 0.12.0."
+    },
+    {
+      "signature": "label :: th > input",
+      "pages": ["docs/interactive/ojs/code-reuse.html", "docs/interactive/ojs/data-sources.html", "docs/interactive/ojs/examples/github.html"],
+      "impact": "critical",
+      "note": "third-party: Observable Inputs — Inputs.table selection checkboxes have no label, and no option adds one. `select: false` (Inputs 0.11.0+) removes them but leaves the scroll container with nothing focusable. Same in 0.12.0."
+    },
+    {
+      "signature": "label :: th > input[type=\"checkbox\"]",
+      "pages": ["docs/interactive/ojs/code-reuse.html", "docs/interactive/ojs/data-sources.html", "docs/interactive/ojs/examples/github.html"],
+      "impact": "critical",
+      "note": "third-party: Observable Inputs — Inputs.table selection checkboxes have no label, and no option adds one. `select: false` (Inputs 0.11.0+) removes them but leaves the scroll container with nothing focusable. Same in 0.12.0."
+    },
+    {
+      "signature": "aria-required-parent :: #ref-xie",
+      "pages": ["docs/authoring/article-layout.html"],
+      "impact": "critical",
+      "note": "upstream: quarto-cli#14755 (margin citations get role=\"listitem\" but Quarto removes the role=\"list\" wrapper when relocating them to the margin)"
+    },
+    {
+      "signature": "aria-allowed-attr :: div[data-bs-target=\".callout-*-contents\"]",
+      "pages": [],
+      "impact": "critical",
+      "note": "upstream: quarto-cli#4934 (collapsed callouts use a plain <div> with aria-expanded instead of the ARIA disclosure pattern; open since 2023)"
+    },
+    {
+      "signature": "aria-allowed-attr :: .collapsed",
+      "pages": [],
+      "impact": "critical",
+      "note": "upstream: quarto-cli#4934 (collapsed callouts use a plain <div> with aria-expanded instead of the ARIA disclosure pattern; open since 2023)"
+    },
+    {
+      "signature": "aria-allowed-attr :: .callout-header",
+      "pages": [],
+      "impact": "critical",
+      "note": "upstream: quarto-cli#4934 (collapsed callouts use a plain <div> with aria-expanded instead of the ARIA disclosure pattern; open since 2023)"
+    },
+    {
+      "signature": "image-alt :: p > .img-fluid",
+      "pages": ["docs/authoring/placeholder.html"],
+      "impact": "critical",
+      "note": "upstream: quarto-cli#14769 (https://github.com/quarto-dev/quarto-cli/issues/14769) — the {{< placeholder >}} shortcode emits an <img> with no alt attribute. Scoped to this page only: the same signature also matches real unrelated images missing alt text on other pages."
+    },
+    {
+      "signature": "image-alt :: .quarto-layout-cell > p > .img-fluid",
+      "pages": ["docs/authoring/placeholder.html"],
+      "impact": "critical",
+      "note": "upstream: quarto-cli#14769 (https://github.com/quarto-dev/quarto-cli/issues/14769) — the {{< placeholder >}} shortcode emits an <img> with no alt attribute."
+    },
+    {
+      "signature": "aria-allowed-role :: .leaflet-marker-icon",
+      "pages": ["docs/interactive/index.html", "docs/interactive/widgets/jupyter.html"],
+      "impact": "minor",
+      "note": "third-party: leaflet — marker icons get role=\"button\" from leaflet.js, an invalid role for <img>. Leaflet's own markup; no upstream issue."
+    },
+    {
+      "signature": "presentation-role-conflict :: .leaflet-marker-icon",
+      "pages": ["docs/interactive/index.html", "docs/interactive/widgets/htmlwidgets.html", "docs/interactive/widgets/jupyter.html", "docs/presentations/revealjs/demo/index.html"],
+      "impact": "minor",
+      "note": "third-party: leaflet — marker icon <img> has alt=\"\" (implicit presentation role) but also tabindex=\"0\" from leaflet.js, so it's presentational and focusable at once. Leaflet's own markup; no upstream issue."
+    },
+    {
+      "signature": "presentation-role-conflict :: #htmlwidget-5bfbfe4ba245e05de9a > .leaflet-map-pane.leaflet-pane > .leaflet-marker-pane.leaflet-pane > .leaflet-marker-icon.leaflet-interactive.leaflet-zoom-animated",
+      "pages": ["docs/authoring/article-layout.html"],
+      "impact": "minor",
+      "note": "third-party: leaflet — same alt=\"\"/tabindex=\"0\" conflict as the generic .leaflet-marker-icon entry; axe falls back to a widget-instance selector because this page embeds three leaflet maps."
+    },
+    {
+      "signature": "presentation-role-conflict :: #htmlwidget-4f6adfce555be2e464c > .leaflet-map-pane.leaflet-pane > .leaflet-marker-pane.leaflet-pane > .leaflet-marker-icon.leaflet-interactive.leaflet-zoom-animated",
+      "pages": ["docs/authoring/article-layout.html"],
+      "impact": "minor",
+      "note": "third-party: leaflet — same alt=\"\"/tabindex=\"0\" conflict as the generic .leaflet-marker-icon entry; axe falls back to a widget-instance selector because this page embeds three leaflet maps."
+    },
+    {
+      "signature": "presentation-role-conflict :: #htmlwidget-bbf8d96c92d96de58f0b > .leaflet-map-pane.leaflet-pane > .leaflet-marker-pane.leaflet-pane > .leaflet-marker-icon.leaflet-interactive.leaflet-zoom-animated",
+      "pages": ["docs/authoring/article-layout.html"],
+      "impact": "minor",
+      "note": "third-party: leaflet — same alt=\"\"/tabindex=\"0\" conflict as the generic .leaflet-marker-icon entry; axe falls back to a widget-instance selector because this page embeds three leaflet maps."
+    },
+    {
+      "signature": "color-contrast :: #f8f8f8 on #dddddd",
+      "pages": ["docs/interactive/index.html", "docs/interactive/widgets/jupyter.html"],
+      "impact": "serious",
+      "note": "third-party: leaflet — the default attribution control's light-theme text color doesn't adapt to Quarto's dark theme; leaflet.css isn't dark-mode aware."
+    },
+    {
+      "signature": "color-contrast :: #0078a8 on #dddddd",
+      "pages": ["docs/interactive/index.html", "docs/interactive/widgets/jupyter.html"],
+      "impact": "serious",
+      "note": "third-party: leaflet — the default attribution control's link color doesn't adapt to Quarto's dark theme; leaflet.css isn't dark-mode aware."
+    },
+    {
+      "signature": "empty-table-header :: .header > th",
+      "pages": ["docs/authoring/notebook-embed.html", "docs/authoring/penguins-preview.html", "docs/authoring/penguins.html"],
+      "impact": "minor",
+      "note": "third-party: knitr — kable()'s HTML output leaves the row-name corner cell as an empty <th> by design, not oversight: yihui/knitr#1747 (https://github.com/yihui/knitr/issues/1747), merged as PR #2500 on 2026-09-19, added scope=\"col\"/scope=\"row\" to kable's other header cells but explicitly kept this one blank -- \"the empty corner cell above the row names is not a header for either dimension and gets no scope.\""
+    },
+    {
+      "signature": "empty-table-header :: .column-page.cell-output-display > .table-sm.table-striped.small > thead > .header > th",
+      "pages": ["docs/authoring/article-layout.html"],
+      "impact": "minor",
+      "note": "third-party: knitr — kable()'s HTML output leaves the row-name corner cell as an empty <th> by design, not oversight: yihui/knitr#1747 (https://github.com/yihui/knitr/issues/1747), merged as PR #2500 on 2026-09-19, added scope=\"col\"/scope=\"row\" to kable's other header cells but explicitly kept this one blank -- \"the empty corner cell above the row names is not a header for either dimension and gets no scope.\""
+    },
+    {
+      "signature": "empty-table-header :: .no-row-height.column-margin.column-container > .cell-output-display > .table-sm.table-striped.small > thead > .header > th",
+      "pages": ["docs/authoring/article-layout.html"],
+      "impact": "minor",
+      "note": "third-party: knitr — kable()'s HTML output leaves the row-name corner cell as an empty <th> by design, not oversight: yihui/knitr#1747 (https://github.com/yihui/knitr/issues/1747), merged as PR #2500 on 2026-09-19, added scope=\"col\"/scope=\"row\" to kable's other header cells but explicitly kept this one blank -- \"the empty corner cell above the row names is not a header for either dimension and gets no scope.\""
+    },
+    {
+      "signature": "empty-table-header :: #multiple-outputs > .cell.page-full.page-columns > .cell-output-display > .table-sm.table-striped.small > thead > .header > th",
+      "pages": ["docs/authoring/article-layout.html"],
+      "impact": "minor",
+      "note": "third-party: knitr — kable()'s HTML output leaves the row-name corner cell as an empty <th> by design, not oversight: yihui/knitr#1747 (https://github.com/yihui/knitr/issues/1747), merged as PR #2500 on 2026-09-19, added scope=\"col\"/scope=\"row\" to kable's other header cells but explicitly kept this one blank -- \"the empty corner cell above the row names is not a header for either dimension and gets no scope.\""
+    },
+    {
+      "signature": "empty-table-header :: .column > .cell > .cell-output-display > table > thead > .header > th",
+      "pages": ["docs/presentations/revealjs/demo/index.html"],
+      "impact": "minor",
+      "note": "third-party: knitr — kable()'s HTML output leaves the row-name corner cell as an empty <th> by design, not oversight: yihui/knitr#1747 (https://github.com/yihui/knitr/issues/1747), merged as PR #2500 on 2026-09-19, added scope=\"col\"/scope=\"row\" to kable's other header cells but explicitly kept this one blank -- \"the empty corner cell above the row names is not a header for either dimension and gets no scope.\""
+    },
+    {
+      "signature": "color-contrast :: #f8f8f8 on #ffffff",
+      "pages": ["docs/interactive/ojs/examples/arquero.html", "docs/interactive/ojs/libraries.html"],
+      "impact": "serious",
+      "note": "third-party: Arquero — the table viewer's sticky header sets background: #fff and text color inline via JS, so it doesn't pick up Quarto's dark-theme text color. Same widget reused on both pages."
+    },
+    {
+      "signature": "frame-title :: #cb > iframe",
+      "pages": ["docs/presentations/revealjs/advanced.html", "docs/presentations/revealjs/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: #cb > .java",
+      "pages": ["docs/presentations/revealjs/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: #cb > .yaml",
+      "pages": ["docs/presentations/revealjs/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: iframe[src$=\"absolute.html\"]",
+      "pages": ["docs/presentations/revealjs/advanced.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: #cb > iframe[src$=\"stack.html\"]",
+      "pages": ["docs/presentations/revealjs/advanced.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: iframe[src$=\"auto-animate.html\"]",
+      "pages": ["docs/presentations/revealjs/advanced.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: iframe[src$=\"fragments.html\"]",
+      "pages": ["docs/presentations/revealjs/advanced.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: iframe[src$=\"columns.html\"]",
+      "pages": ["docs/presentations/revealjs/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: #cb > iframe[src$=\"smaller.html\"]",
+      "pages": ["docs/presentations/revealjs/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: iframe[src$=\"scrollable.html\"]",
+      "pages": ["docs/presentations/revealjs/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: iframe[src$=\"footer-and-logo.html\"]",
+      "pages": ["docs/presentations/revealjs/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: iframe[src$=\"per-slide-footer.html\"]",
+      "pages": ["docs/presentations/revealjs/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: .python",
+      "pages": ["docs/presentations/revealjs/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: iframe[src$=\"code-echo.html\"]",
+      "pages": ["docs/presentations/revealjs/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: iframe[src$=\"tabset.html\"]",
+      "pages": ["docs/presentations/revealjs/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: iframe[src$=\"background-color.html\"]",
+      "pages": ["docs/presentations/revealjs/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: iframe[src$=\"image-background.html\"]",
+      "pages": ["docs/presentations/revealjs/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "frame-title :: iframe",
+      "pages": ["docs/authoring/code-annotation.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14770 (code-preview iframes have no title). Clears when quarto-cli#14933 ships: quarto-web branch fix/code-preview-titles already sets code-preview-title on every preview"
+    },
+    {
+      "signature": "scrollable-region-focusable :: .code-with-filename > .code-with-filename-file > pre",
+      "pages": ["docs/extensions/brand.html", "docs/extensions/filters.html", "docs/extensions/formats.html", "docs/extensions/revealjs.html", "docs/extensions/shortcodes.html", "docs/journals/formats.html", "docs/websites/website-drafts.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: pre",
+      "pages": ["docs/computations/julia.html", "docs/interactive/ojs/libraries.html", "docs/output-formats/html-themes-more.html", "docs/prerelease/1.4/crossref.html", "docs/publishing/confluence.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #publish-action > .code-with-filename > .code-with-filename-file > pre",
+      "pages": ["docs/publishing/github-pages.html", "docs/publishing/netlify.html", "docs/publishing/quarto-pub.html", "docs/publishing/rstudio-connect.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #example-jupyter-with-venv > .code-with-filename > .code-with-filename-file > pre",
+      "pages": ["docs/publishing/github-pages.html", "docs/publishing/netlify.html", "docs/publishing/quarto-pub.html", "docs/publishing/rstudio-connect.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #example-knitr-with-renv > .code-with-filename > .code-with-filename-file > pre",
+      "pages": ["docs/publishing/github-pages.html", "docs/publishing/netlify.html", "docs/publishing/quarto-pub.html", "docs/publishing/rstudio-connect.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: .cell > .cell-output-stderr.cell-output > pre",
+      "pages": ["docs/authoring/penguins-qmd.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #missing-fonts-in-typst > pre",
+      "pages": ["docs/advanced/typst/brand-yaml.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: .column-page.cell-output-display",
+      "pages": ["docs/authoring/article-layout.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #multiple-outputs > .cell.page-full.page-columns > .cell-output-display",
+      "pages": ["docs/authoring/article-layout.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #previewing-changes > pre",
+      "pages": ["docs/authoring/brand.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #graphviz > .cell[data-layout-align=\"default\"] > .cell-output-display",
+      "pages": ["docs/authoring/diagrams.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: .cell-output-stderr.cell-output > pre",
+      "pages": ["docs/authoring/penguins-qmd.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #status > pre",
+      "pages": ["docs/computations/julia.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #close > pre",
+      "pages": ["docs/computations/julia.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #stop > pre",
+      "pages": ["docs/computations/julia.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #contents-of-brand-extensions > .code-with-filename > .code-with-filename-file > pre",
+      "pages": ["docs/extensions/brand.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #contents-of-engine-extensions > .code-with-filename > .code-with-filename-file > pre",
+      "pages": ["docs/extensions/engine.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #overview > pre",
+      "pages": ["docs/extensions/filters.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #contents-of-metadata-extensions > .code-with-filename > .code-with-filename-file > pre",
+      "pages": ["docs/extensions/metadata.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #project-type-extension > .code-with-filename > .code-with-filename-file > pre",
+      "pages": ["docs/extensions/project-types.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #quick-start > .code-with-filename > .code-with-filename-file > pre",
+      "pages": ["docs/extensions/revealjs.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #example-attribution > .code-with-filename > .code-with-filename-file > pre",
+      "pages": ["docs/extensions/revealjs.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #running-cells > pre",
+      "pages": ["docs/get-started/hello/neovim.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: .panel-fill.cell > .cell-output.cell-output-display",
+      "pages": ["docs/interactive/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: .ojs",
+      "pages": ["docs/interactive/ojs/libraries.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: .cell-output-stderr > pre",
+      "pages": ["docs/interactive/widgets/htmlwidgets.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #mode-specific-content > pre",
+      "pages": ["docs/output-formats/html-themes.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #sec-docx-create-template > pre",
+      "pages": ["docs/output-formats/ms-word-templates.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: .callout-body-container > pre",
+      "pages": ["docs/prerelease/1.3/tables.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #bootstrap-classes-can-be-added-to-tables > pre",
+      "pages": ["docs/prerelease/1.3/tables.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #embedded-markdown-content-can-be-specified > pre",
+      "pages": ["docs/prerelease/1.3/tables.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #selecting-destination > pre",
+      "pages": ["docs/publishing/confluence.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #publishing-workflow > pre",
+      "pages": ["docs/publishing/confluence.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #running-code-cells > pre",
+      "pages": ["docs/tools/neovim.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: #check-the-version-of-quarto-and-its-dependencies > pre",
+      "pages": ["docs/troubleshooting/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "scrollable-region-focusable :: .ejs",
+      "pages": ["docs/websites/website-listings-custom.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14378 — clears when quarto-cli#14816 merges (verified 2026-09-25 before/after scan); remove when it ships"
+    },
+    {
+      "signature": "color-contrast :: #bbbbbb on #ffffff",
+      "pages": ["docs/presentations/revealjs/examples/line-highlighting-1.html", "docs/presentations/revealjs/examples/line-highlighting-2.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14959 (revealjs line highlighting fades non-highlighted lines to opacity 0.4; no opacity passes 4.5:1 and still shows the highlight)"
+    },
+    {
+      "signature": "color-contrast :: #dbbd99 on #ffffff",
+      "pages": ["docs/presentations/revealjs/examples/line-highlighting-1.html", "docs/presentations/revealjs/examples/line-highlighting-2.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14959 (revealjs line highlighting fades non-highlighted lines to opacity 0.4; no opacity passes 4.5:1 and still shows the highlight)"
+    },
+    {
+      "signature": "color-contrast :: #99cc99 on #ffffff",
+      "pages": ["docs/presentations/revealjs/examples/line-highlighting-2.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14959 (revealjs line highlighting fades non-highlighted lines to opacity 0.4; no opacity passes 4.5:1 and still shows the highlight)"
+    },
+    {
+      "signature": "aria-prohibited-attr :: #cb > a[aria-label=\"*\"]",
+      "pages": ["docs/presentations/revealjs/demo/index.html", "docs/presentations/revealjs/demo/mini/auto-animate-code.html", "docs/presentations/revealjs/examples/line-highlighting-3.html", "docs/presentations/revealjs/examples/line-highlighting-4.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14961 (revealjs removes the href from code line-number links, so the aria-label from quarto-cli#14662 sits on an <a> that is not a link). Scoped to these revealjs decks so the entry cannot hide the same shape on format: html pages."
+    },
+    {
+      "signature": "aria-prohibited-attr :: a[aria-label=\"*\"]",
+      "pages": ["docs/presentations/revealjs/examples/code-echo.html", "docs/presentations/revealjs/examples/line-highlighting-1.html", "docs/presentations/revealjs/examples/line-highlighting-2.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14961 (revealjs removes the href from code line-number links, so the aria-label from quarto-cli#14662 sits on an <a> that is not a link). Scoped to these revealjs decks: the signature is generic and would match unrelated links on other pages."
+    },
+    {
+      "signature": "summary-name :: summary",
+      "pages": ["docs/authoring/notebook-embed.html", "docs/authoring/penguins-preview.html", "docs/authoring/penguins.html", "docs/presentations/revealjs/examples/executable-code-figure-size.html"],
+      "impact": "serious",
+      "note": "third-party: vega-embed — the Altair/Vega actions menu is a <details> whose <summary> holds only an icon SVG; the label (\"Click to view actions\") is a title on the <details>. VoiceOver reads that label, so no upstream issue filed. Scoped to these Altair pages: the signature is generic and would match unrelated <summary> elements."
+    },
+    {
+      "signature": "link-in-text-block :: a",
+      "pages": ["docs/interactive/index.html", "docs/interactive/widgets/jupyter.html"],
+      "impact": "serious",
+      "note": "third-party: Leaflet — the ESDIS link in the map tile provider's data-attribution box (#0078a8 on the page's #343a40 text, 2.32:1). Scoped to these Leaflet pages: the signature is generic and would match unrelated links on other pages."
+    },
+    {
+      "signature": "scrollable-region-focusable :: #ojs-cell > .observablehq > div",
+      "pages": ["docs/interactive/ojs/examples/arquero.html"],
+      "impact": "serious",
+      "note": "third-party: the @uwdata/arquero Observable notebook — its table .view() method (toView) wraps the table in <div style=\"max-height: 270px; overflow: auto\"> with no tabindex, so keyboard users can't scroll it. The notebook is the right place for the fix (tabindex=\"0\", role=\"region\", aria-label); no upstream issue filed. Scoped to the Arquero example page."
+    },
+    {
+      "signature": "scrollable-region-focusable :: body",
+      "pages": ["docs/presentations/revealjs/demo/mini/absolute.html", "docs/presentations/revealjs/demo/mini/auto-animate-movement.html", "docs/presentations/revealjs/demo/mini/auto-animate-stack.html", "docs/presentations/revealjs/demo/mini/auto-animate.html", "docs/presentations/revealjs/demo/mini/fragments-custom.html", "docs/presentations/revealjs/demo/mini/fragments-nested.html", "docs/presentations/revealjs/demo/mini/fragments.html", "docs/presentations/revealjs/demo/mini/stack.html", "docs/presentations/revealjs/demo/mini/zoom.html", "docs/presentations/revealjs/examples/background-color.html", "docs/presentations/revealjs/examples/background-gradient.html", "docs/presentations/revealjs/examples/background-no-title.html", "docs/presentations/revealjs/examples/creating-slides-1.html", "docs/presentations/revealjs/examples/creating-slides-2.html", "docs/presentations/revealjs/examples/creating-slides-3.html", "docs/presentations/revealjs/examples/footer-and-logo.html", "docs/presentations/revealjs/examples/incremental-lists-1.html", "docs/presentations/revealjs/examples/incremental-lists-2.html", "docs/presentations/revealjs/examples/incremental-lists-3.html", "docs/presentations/revealjs/examples/incremental-pause.html", "docs/presentations/revealjs/examples/no-footer-on-a-slide.html", "docs/presentations/revealjs/examples/per-slide-footer.html", "docs/presentations/revealjs/examples/scrollable-and-smaller.html", "docs/presentations/revealjs/examples/scrollable.html", "docs/presentations/revealjs/examples/smaller.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14817 — Quarto's revealjs template gives slides overflow-y: auto (.scrollable, or every slide with scrollable: true), and the arrow keys navigate slides instead of scrolling them, so keyboard users cannot reach overflowing content. Flagged at 320px, where reveal switches to scroll view; the barrier is real (a short viewport brings back the slide scrollbar). Scoped to these revealjs decks."
+    },
+    {
+      "signature": "scrollable-region-focusable :: #slide",
+      "pages": ["docs/presentations/revealjs/examples/scrollable-and-smaller.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14817 — Quarto's revealjs template gives slides overflow-y: auto (.scrollable, or every slide with scrollable: true), and the arrow keys navigate slides instead of scrolling them, so keyboard users cannot reach overflowing content. Every slide scrolls here because the deck sets scrollable: true. Scoped to these revealjs decks."
+    },
+    {
+      "signature": "scrollable-region-focusable :: .active-menu-panel",
+      "pages": ["docs/presentations/revealjs/demo/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14817 — Quarto's revealjs template gives slides overflow-y: auto (.scrollable, or every slide with scrollable: true), and the arrow keys navigate slides instead of scrolling them, so keyboard users cannot reach overflowing content. Here the scroller is the reveal-menu Slides panel. Scoped to these revealjs decks."
+    },
+    {
+      "signature": "scrollable-region-focusable :: .latex",
+      "pages": ["docs/presentations/revealjs/demo/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14817 — Quarto's revealjs template gives slides overflow-y: auto (.scrollable, or every slide with scrollable: true), and the arrow keys navigate slides instead of scrolling them, so keyboard users cannot reach overflowing content. Here it is a code block (.reveal pre code overflow: auto), the half of #14817 that axe usually misses; did not reproduce in a local render, so it can flicker. Scoped to these revealjs decks."
+    },
+    {
+      "signature": "scrollable-region-focusable :: #scrollable-slide",
+      "pages": ["docs/presentations/revealjs/examples/scrollable.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14817 — Quarto's revealjs template gives slides overflow-y: auto (.scrollable, or every slide with scrollable: true), and the arrow keys navigate slides instead of scrolling them, so keyboard users cannot reach overflowing content. Scoped to these revealjs decks."
+    },
+    {
+      "signature": "color-contrast :: #2a76dd on #ffffff",
+      "pages": ["docs/presentations/revealjs/demo/index.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14962 — Quarto's default revealjs theme sets $link-color to #2a76dd, 4.44:1 on #fff. Slide body links are 40px and pass as large text; the footer link here is small text and fails 1.4.3. Flagged only at 320x568: at wider viewports reveal.js scales the slide and axe marks contrast incomplete. Scoped to the demo deck."
+    },
+    {
+      "signature": "color-contrast :: #2a76dd on #bbbbbb",
+      "pages": ["docs/presentations/revealjs/examples/tabset.html"],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14963 — below 30em, Quarto's revealjs tabset fills the selected tab with $tabset-border-color (#bbbbbb), so the #2a76dd tab text is 2.31:1, under the 3:1 large-text minimum. Scoped to the tabset example."
+    },
+    {
+      "signature": "color-contrast :: #aaaaaa on #ffffff",
+      "pages": ["docs/presentations/revealjs/examples/executable-code-figure-size.html"],
+      "impact": "serious",
+      "note": "false-positive: the closed revealjs slide menu (nav.slide-menu, translateX(-300px), overflow-x hidden) lets a long .slide-menu-item-title poke about 12px into view, and axe composites it over the white slide. When the menu is open, the text is #aaaaaa on #333333 = 5.44:1. Scoped to this deck."
+    },
+    {
+      "signature": "link-name :: .slide-menu-button > a",
+      "pages": [],
+      "impact": "serious",
+      "note": "upstream: quarto-cli#14249 — the bundled reveal.js-menu plugin renders the menu button as <a href=\"#\"> with only an icon <i>, so it has no accessible name. Upstream (denehyg/reveal.js-menu) is archived, so the fix is in Quarto's copy. Clears when quarto-cli#14251 (adds aria-label) merges and ships. Applies to every revealjs deck with the menu."
+    }
+  ]
+}