Updates pages to promote v6.3.0 release

Fix links

Fix dates

Fix more links

Typo

Fix release notes link

Co-Authored-By: Calvin Lau <77630796+calvin-lau-sig7@users.noreply.github.com>

Author: calvin-lau-sig7

src/community/roadmap/index.md

@@ -13,13 +13,13 @@ Some things on the roadmap might change – the purpose is to tell you what’s
 
 See our [GitHub team board](https://github.com/orgs/alphagov/projects/53) for more details on our plans and day-to-day activities.
 
-Last updated 2 June 2026.
+Last updated 23 June 2026.
 
 ## Recently shipped
 
-We've released [GOV.UK Frontend v6.2.0](https://github.com/alphagov/govuk-frontend/releases/tag/v6.2.0), which helps teams prepare for upcoming changes to Sass, the CSS extension language, by adding support for including GOV.UK Frontend CSS as a Sass module with `@use` or `@forward`. We’ve also improved the enhanced File upload component and made several fixes.
+We’ve released GOV.UK Frontend v6.3.0, which adds the [Generic header component](/components/generic-header/) for services that are not part of the [GOV.UK proposition](https://www.gov.uk/government/publications/govuk-proposition/govuk-proposition) but would still benefit from using GOV.UK Frontend to build their service.
 
-In February 2026 we released [GOV.UK Frontend v6.0.0](https://github.com/alphagov/govuk-frontend/releases/tag/v6.0.0). This breaking release includes changes to improve our Sass architecture, use an updated type scale, update our colours and improve flexibility in our page template layout. We’ve also removed a number of deprecated APIs, Sass variables and component options.
+In June 2026, we released [GOV.UK Frontend v6.2.0](https://github.com/alphagov/govuk-frontend/releases/tag/v6.2.0), which helps teams prepare for upcoming changes to Sass, the CSS extension language, by adding support for including GOV.UK Frontend CSS as a Sass module with `@use` or `@forward`. We’ve also improved the enhanced File upload component and made several fixes.
 
 ## Working on now
 
@@ -28,7 +28,6 @@ We've started to:
 - create a feedback link component and test it in live services
 - add a language switcher component
 - add an interruption panel variant of the [Panel component](/components/panel/) with an accompanying pattern
-- make it easier for non-GOV.UK services to use our header
 - explore how we might publish experimental components, patterns and variants
 
 ## Future plans

src/community/whats-new/index.md

@@ -11,6 +11,12 @@ See our latest releases and updates.
 
 ## June 2026
 
+### We’ve released GOV.UK Frontend v6.3.0
+
+This release adds the [Generic header component](/components/generic-header/) for services that are not part of the [GOV.UK proposition](https://www.gov.uk/government/publications/govuk-proposition/govuk-proposition) but would still benefit from using GOV.UK Frontend to build their service.
+
+Read the [full release notes](https://github.com/alphagov/govuk-frontend/releases/tag/v6.3.0) to see what’s changed.
+
 ### We've released GOV.UK Frontend v6.2.0
 
 This release helps teams prepare for upcoming changes to Sass, the CSS extension language, by adding support for including GOV.UK Frontend CSS as a Sass module with `@use` or `@forward`. We’ve also improved the enhanced File upload component and made several fixes.

views/partials/_whats-new.njk

@@ -4,9 +4,9 @@
       <div class="govuk-grid-row">
         <div class="govuk-grid-column-two-thirds-from-desktop">
           <h2 id="whats-new" class="govuk-heading-l">What’s new</h2>
-          <h3 class="govuk-heading-s">2 June 2026: We’ve released GOV.UK Frontend v6.2.0.</h3>
-          <p class="govuk-body">This release helps teams prepare for upcoming changes to Sass, the CSS extension language, by adding support for including GOV.UK Frontend CSS as a Sass module with <code>@use</code> or <code>@forward</code>. We’ve also improved the enhanced File upload component and made several fixes.</p>
-          <p class="govuk-body"><a href="https://github.com/alphagov/govuk-frontend/releases/tag/v6.2.0" class="govuk-link">Read the release notes for v6.2.0 on GitHub</a> to see what’s changed
+          <h3 class="govuk-heading-s">23 June 2026: We’ve released GOV.UK Frontend v6.3.0.</h3>
+          <p class="govuk-body">This release adds the <a href="/components/generic-header/" class="govuk-link">Generic header component</a> for services that are not part of the <a href="https://www.gov.uk/government/publications/govuk-proposition/govuk-proposition" class="govuk-link">GOV.UK proposition</a> but would still benefit from using GOV.UK Frontend to build their service.</p>
+          <p class="govuk-body"><a href="https://github.com/alphagov/govuk-frontend/releases/tag/v6.3.0" class="govuk-link">Read the release notes for v6.3.0 on GitHub</a> to see what’s changed
           or <a href="/community/whats-new/" class="govuk-link">see our latest updates on the What's new page</a>.</p>
 
 <!-- Do not edit after this point when updating What's new -->