backstage/.changeset/fluffy-countries-beam.md

@backstage/plugin-catalog, @backstage/plugin-cost-insights, @backstage/plugin-shortcuts, @backstage/plugin-user-settings

@backstage/plugin-catalog	@backstage/plugin-cost-insights	@backstage/plugin-shortcuts	@backstage/plugin-user-settings
patch	patch	patch	patch

@backstage/plugin-user-settings: Hide Header on mobile screens to improve the UI & give more space to the content. Furthermore, the "Pin Sidebar" setting is removed on mobile screens, as the mobile sidebar is always pinned to the bottom.

Other plugins: Smaller style adjustments across plugins to improve the UI on mobile devices.