* Adapt OAuth2 implementation to Matrix Spec v1.18
* Handle more cases of oidc->oauth
* Fix test
* Fix read back of oauth2 context
* Iterate
* Fix tests
* Discard changes to apps/web/playwright/e2e/settings/account-user-settings-tab.spec.ts
* Fix test
* Fix test
* Fix test
* Potential fix for pull request finding 'Unused variable, import, function or class'
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* Iterate
* Iterate
* Fix test
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* Convert welcome.html to React component
In advance of changes to use Compound
* Fix types
* Fix tests
* Update styling to match Figma
* Fix random capitalisation
* Tweak styling
* Regenerate i18n
* Update tests
* Make linter happy
* Iterate
* Remove global h2 css rule in favour of heading styles/components
* Use Compound Heading in shared-components
and forbid hX elements
* Use Compound Heading in settings
add back margin to some legacy headings
* Tweak some headings
* Update screenshots
* Update screenshots
* Update snapshots
* Tweak .gitignore
* Update snapshots
* Iterate
* Update screenshots
* Update screenshots
* Update screenshot