v450

Merge pull request #8586 from alphagov/remove_admin_legacy_preview

Remove all Admin Legacy preview functionality

v449

Merge pull request #8585 from alphagov/remove_admin_legacy_autocomplete

Remove Admin Legacy autocomplete widget

v448

Merge pull request #8589 from alphagov/unique-attachment-admin-links

Provide unique aria labels for attachment edit and removal links

v446

Merge pull request #8581 from alphagov/remove_admin_legacy_taxon

Remove legacy taxonomy tracking

v445

Merge pull request #8580 from alphagov/remove_admin_legacy

Remove Chosen.js

v444

Merge pull request #8576 from alphagov/secondary-nav-aria-label-fixes

Further accessibility improvements to secondary navigation usage

v443

Merge pull request #8570 from alphagov/feature-to-use-asset-ids

Feature to use asset IDs

v441

Merge pull request #8572 from alphagov/dependabot/bundler/govuk_sidek…

v440

Merge pull request #8578 from alphagov/revert-yarn-and-multiselect-up…

v439

Merge pull request #8571 from alphagov/remove-auth-failure

Remove `auth_failure` controller method