Release v4.0.0 - Githubissues

4.0.0

BREAKING: drop support for end-of-life Ruby versions 2.7 and 3.0. The minimum Ruby version is now 3.1.
BREAKING: drop support for IE8
Upgrade to govuk-frontend v5.7.1 and introduce new Javascript entry point

To upgrade you need to:

create a govuk_frontend.js file your project’s source/assets/javascripts directory
add //= require govuk_frontend_all into it

Update gem dependencies.
Declare some missing indirect dependencies to prepare for Ruby 3.4. This also resolves some warnings about this at build time.
Remove aria-hidden from search label to let assistive technologies see its accessible name
Use hidden attribute to show/hide expiry notices instead of just CSS
Only use dialog role for table of contents when it behaves like one (accessibility fix)
Prevent interactive elements being obscured by sticky table of contents header
Only wrap images with alt text in hyperlinks