diff --git a/README.md b/README.md
index c463309..8a77ac8 100644
--- a/README.md
+++ b/README.md
@@ -132,9 +132,13 @@ pass on the server:
 | Contact form | `POST /contact` |
 
 A project page also asks TaskStream, when the project has a board there
-(`taskstream.showcase_url` in its payload): roadmap, releases, the sprint under
-way and tickets labelled `good-first-issue`. It is public, answers within four
-seconds or the page goes without those sections, and its links open the board.
+(`taskstream.showcase_url` in its payload): roadmap (with how many want each
+epic), releases, the sprint under way, tickets labelled `good-first-issue`, and
+the most voted bug reports and ideas from the public, with a link to send one
+while the board takes them. It is public, answers within four seconds or the
+page goes without those sections, and its links open the board (voting needs
+signing in there). `npm run mock` serves a showcase for the «Catálogo abierto»
+project, so every section can be seen without TaskStream.
 
 `landing/openapi.yaml` is the specification the app was written against, and
 `landing/src/app/core/api.types.ts` is the API's own generated type file. Both
diff --git a/landing/openapi.yaml b/landing/openapi.yaml
index 375da4e..2605010 100644
--- a/landing/openapi.yaml
+++ b/landing/openapi.yaml
@@ -1621,7 +1621,14 @@ paths:
     patch:
       tags: [Projects]
       summary: Update a project
-      description: Partial update. Translatable fields merge into the existing map.
+      description: |
+        Partial update. Translatable fields merge into the existing map.
+
+        `taskstream: true` opens a TaskStream board for a project that has none
+        yet, as on creation (`taskstream_key`, or one made from the slug); if
+        TaskStream refuses, the update is not saved either. A project that
+        already has a board keeps it, and `taskstream_key` without the flag is
+        ignored, so a client can PATCH back what it read.
       requestBody:
         required: true
         content:
@@ -5574,12 +5581,12 @@ components:
         demo_url: { type: string, format: uri, nullable: true }
         taskstream:
           type: boolean
-          description: On creation only. Also open a public board for it in TaskStream; see `POST /v1/projects`.
+          description: Also open a public board for it in TaskStream, on creation or when it has none yet; see `POST /v1/projects`.
         taskstream_key:
           type: string
           nullable: true
           pattern: "^[A-Za-z][A-Za-z0-9]{1,9}$"
-          description: On creation only, with `taskstream`. The key in TaskStream; made from the slug when left out.
+          description: Only read with `taskstream`. The key in TaskStream; made from the slug when left out.
         cover_image: { type: string, nullable: true, description: A path from `POST /v1/media` with `for=projects`. }
         started_at: { type: string, format: date, nullable: true }
         ended_at: { type: string, format: date, nullable: true }
diff --git a/landing/src/app/core/copy.ts b/landing/src/app/core/copy.ts
index dbbbfe9..4b4b6e4 100644
--- a/landing/src/app/core/copy.ts
+++ b/landing/src/app/core/copy.ts
@@ -117,6 +117,11 @@ export interface Copy {
     goodFirstLead: string;
     board: string;
     done: string;
+    proposals: string;
+    proposalsLead: string;
+    propose: string;
+    voteOne: string;
+    voteMany: string;
   };
   member: {
     projects: string;
@@ -317,6 +322,11 @@ const es: Copy = {
     goodFirstLead: 'Tareas pensadas para quien llega nuevo.',
     board: 'Ver el tablero',
     done: 'Hecho',
+    proposals: 'Ideas y errores',
+    proposalsLead: 'Lo que más se pide. Para votar, entra en el tablero.',
+    propose: 'Proponer una idea o avisar de un error',
+    voteOne: '1 voto',
+    voteMany: '{n} votos',
   },
   member: {
     projects: 'Proyectos',
@@ -536,6 +546,11 @@ const en: Copy = {
     goodFirstLead: 'Tasks meant for newcomers.',
     board: 'See the board',
     done: 'Done',
+    proposals: 'Ideas and bugs',
+    proposalsLead: 'What people ask for most. To vote, sign in on the board.',
+    propose: 'Suggest an idea or report a bug',
+    voteOne: '1 vote',
+    voteMany: '{n} votes',
   },
   member: {
     projects: 'Projects',
@@ -755,6 +770,11 @@ const ca: Copy = {
     goodFirstLead: 'Tasques pensades per a qui arriba de nou.',
     board: 'Veure el tauler',
     done: 'Fet',
+    proposals: 'Idees i errors',
+    proposalsLead: 'El que més es demana. Per votar, entra al tauler.',
+    propose: "Proposar una idea o avisar d'un error",
+    voteOne: '1 vot',
+    voteMany: '{n} vots',
   },
   member: {
     projects: 'Projectes',
diff --git a/landing/src/app/core/taskstream.spec.ts b/landing/src/app/core/taskstream.spec.ts
index 652a48e..d0c4801 100644
--- a/landing/src/app/core/taskstream.spec.ts
+++ b/landing/src/app/core/taskstream.spec.ts
@@ -44,4 +44,17 @@ describe('TaskStream showcase', () => {
     expect(hasContent(showcase)).toBe(true);
     expect(hasContent({ ...showcase, goodFirst: [] })).toBe(false);
   });
+
+  it('counts a board that takes proposals as something to show', () => {
+    const empty = { ...showcase, goodFirst: [] };
+    expect(
+      hasContent({
+        ...empty,
+        proposals: { open: true, path: '/p/WEB/proponer', top: [] },
+      }),
+    ).toBe(true);
+    expect(
+      hasContent({ ...empty, proposals: { open: false, path: null, top: [] } }),
+    ).toBe(false);
+  });
 });
diff --git a/landing/src/app/core/taskstream.ts b/landing/src/app/core/taskstream.ts
index 40c19f5..60b2c5b 100644
--- a/landing/src/app/core/taskstream.ts
+++ b/landing/src/app/core/taskstream.ts
@@ -1,7 +1,7 @@
 /**
  * A project's board in TaskStream, the collective's issue tracker: its public
- * showcase (roadmap, releases, the sprint under way and tickets for
- * newcomers). Fetched on the server; a slow or absent TaskStream only means
+ * showcase (roadmap, releases, the sprint under way, tickets for newcomers
+ * and the proposals people send and vote for). Fetched on the server; a slow or absent TaskStream only means
  * the project page goes without those sections.
  */
 
@@ -26,6 +26,8 @@ export interface TaskStreamShowcase {
     dueDate: string | null;
     percent: number;
     done: boolean;
+    /** How many want it; older TaskStreams leave it out. */
+    votes?: number;
     path: string;
   }[];
   releases: {
@@ -37,6 +39,21 @@ export interface TaskStreamShowcase {
     notes: string | null;
   }[];
   goodFirst: { key: string; title: string; type: string; path: string }[];
+  /** Bug reports and ideas from anyone; older TaskStreams leave it out. */
+  proposals?: {
+    /** Whether it takes them now. */
+    open: boolean;
+    /** The form in TaskStream's web app, while it takes them. */
+    path: string | null;
+    /** Open ones, most voted first. */
+    top: {
+      key: string;
+      title: string;
+      type: string;
+      path: string;
+      votes: number;
+    }[];
+  };
 }
 
 /** What the page renders: the showcase plus where its links go. */
@@ -75,7 +92,9 @@ export function hasContent(showcase: TaskStreamShowcase): boolean {
     showcase.roadmap.length > 0 ||
     showcase.releases.length > 0 ||
     showcase.goodFirst.length > 0 ||
-    showcase.activeSprint !== null
+    showcase.activeSprint !== null ||
+    !!showcase.proposals?.open ||
+    (showcase.proposals?.top.length ?? 0) > 0
   );
 }
 
diff --git a/landing/src/app/ui/project-detail.scss b/landing/src/app/ui/project-detail.scss
index 4f62c6b..51f03c7 100644
--- a/landing/src/app/ui/project-detail.scss
+++ b/landing/src/app/ui/project-detail.scss
@@ -90,7 +90,8 @@
 
 .project-roadmap,
 .project-releases,
-.project-first {
+.project-first,
+.project-proposals {
   display: grid;
   gap: 0.75rem;
   margin: 0;
@@ -134,3 +135,21 @@
   font: inherit;
   font-size: 0.9rem;
 }
+
+.project-proposals li {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.25rem 1rem;
+  justify-content: space-between;
+  align-items: baseline;
+}
+
+// Clear of the lead above and of the link below.
+.project-roadmap,
+.project-proposals {
+  margin-top: 0.75rem;
+}
+
+.project-proposals__propose {
+  margin: 1.25rem 0 0;
+}
diff --git a/landing/src/app/ui/project-detail.ts b/landing/src/app/ui/project-detail.ts
index 6a64c82..6198d1f 100644
--- a/landing/src/app/ui/project-detail.ts
+++ b/landing/src/app/ui/project-detail.ts
@@ -155,9 +155,12 @@ import { LinkButton } from './link-button';
                     <a [href]="link(epic.path)" target="_blank" rel="noopener">{{
                       epic.title
                     }}</a>
-                    <span class="content-page__muted project-roadmap__when">{{
-                      dates(epic.startDate, epic.dueDate)
-                    }}</span>
+                    <span class="content-page__muted project-roadmap__when"
+                      >{{ dates(epic.startDate, epic.dueDate) }}
+                      @if (epic.votes && !epic.done) {
+                        · {{ votes(epic.votes) }}
+                      }
+                    </span>
                     <span
                       class="project-roadmap__bar"
                       role="img"
@@ -169,6 +172,33 @@ import { LinkButton } from './link-button';
               </ol>
             </section>
           }
+          @if (b.showcase.proposals; as proposals) {
+            @if (proposals.open || proposals.top.length > 0) {
+              <section class="content-page__section">
+                <h2>{{ copy().project.proposals }}</h2>
+                @if (proposals.top.length > 0) {
+                  <p class="content-page__muted">{{ copy().project.proposalsLead }}</p>
+                  <ol class="project-proposals">
+                    @for (proposal of proposals.top; track proposal.key) {
+                      <li>
+                        <a [href]="link(proposal.path)" target="_blank" rel="noopener">{{
+                          proposal.title
+                        }}</a>
+                        <span class="content-page__muted">{{ votes(proposal.votes) }}</span>
+                      </li>
+                    }
+                  </ol>
+                }
+                @if (proposals.open && proposals.path) {
+                  <p class="project-proposals__propose">
+                    <a [href]="link(proposals.path)" target="_blank" rel="noopener"
+                      >{{ copy().project.propose }} →</a
+                    >
+                  </p>
+                }
+              </section>
+            }
+          }
           @if (b.showcase.releases.length > 0) {
             <section class="content-page__section">
               <h2>{{ copy().project.releases }}</h2>
@@ -397,6 +427,12 @@ export class ProjectDetail {
     return boardLink(this.board()?.webUrl ?? '', path);
   }
 
+  /** "1 voto", "3 votos". */
+  protected votes(count: number): string {
+    const copy = this.copy().project;
+    return count === 1 ? copy.voteOne : copy.voteMany.replace('{n}', String(count));
+  }
+
   /** "3 nov – 20 dic 2026", or one end when only one is known. */
   protected dates(start: string | null, end: string | null): string {
     const format = (date: string | null) =>
diff --git a/tools/mock-api.mjs b/tools/mock-api.mjs
index 6b5f531..936c2fb 100644
--- a/tools/mock-api.mjs
+++ b/tools/mock-api.mjs
@@ -169,6 +169,38 @@ for (const listed of data['/public/v1/projects']) {
   };
 }
 
+// The catalogue has a board in TaskStream: its showcase is served here too,
+// so the roadmap, releases, proposals and first issues show without one.
+const showcase = {
+  project: { id: 'ts-1', key: 'CAT', name: 'Catálogo abierto', description: null },
+  activeSprint: { name: 'Sprint 4', goal: 'Buscar por etiqueta', startDate: '2026-10-05', endDate: '2026-10-19', percent: 40 },
+  roadmap: [
+    { key: 'CAT-1', title: 'Fichas accesibles', startDate: '2026-07-01', dueDate: '2026-09-15', percent: 100, done: true, votes: 2, path: '/p/CAT/issues/CAT-1' },
+    { key: 'CAT-7', title: 'Búsqueda por etiquetas', startDate: '2026-09-20', dueDate: '2026-11-30', percent: 45, done: false, votes: 9, path: '/p/CAT/issues/CAT-7' },
+    { key: 'CAT-12', title: 'Exportar a PDF', startDate: null, dueDate: '2027-02-01', percent: 0, done: false, votes: 1, path: '/p/CAT/issues/CAT-12' },
+  ],
+  releases: [
+    { name: '1.2', status: 'PLANNED', targetDate: '2026-11-30', releasedAt: null, percent: 60, notes: null },
+    { name: '1.1', status: 'RELEASED', targetDate: null, releasedAt: '2026-09-16', percent: 100, notes: '- Fichas accesibles\n- Arreglos en móvil' },
+  ],
+  goodFirst: [{ key: 'CAT-21', title: 'Traducir los avisos al catalán', type: 't-task', path: '/p/CAT/issues/CAT-21' }],
+  proposals: {
+    open: true,
+    path: '/p/CAT/proponer',
+    top: [
+      { key: 'CAT-30', title: 'Modo oscuro', type: 't-feature', path: '/p/CAT/issues/CAT-30', votes: 14 },
+      { key: 'CAT-28', title: 'El buscador no encuentra palabras con tilde', type: 't-bug', path: '/p/CAT/issues/CAT-28', votes: 6 },
+      { key: 'CAT-33', title: 'Compartir una ficha por enlace corto', type: 't-feature', path: '/p/CAT/issues/CAT-33', votes: 1 },
+    ],
+  },
+};
+data['/public/v1/projects/catalogo'].taskstream = {
+  key: 'CAT',
+  url: 'https://taskstream.pireon.dev/p/CAT',
+  web_url: 'https://taskstream.pireon.dev',
+  showcase_url: 'http://localhost:4599/taskstream/CAT/showcase',
+};
+
 // Calls link to their own page, and one of them is closed so the page can
 // show what a visitor sees when a link to a filled call is still out there.
 for (const call of data['/public/v1/calls']) {
@@ -237,6 +269,12 @@ createServer((req, res) => {
 
   res.setHeader('content-type', 'application/json');
 
+  // TaskStream answers its showcase bare, not inside `data`.
+  if (path === '/taskstream/CAT/showcase') {
+    res.end(JSON.stringify(showcase));
+    return;
+  }
+
   // The two write endpoints: accept whatever arrives, as the real API does
   // for a valid submission.
   if (req.method === 'POST') {