v1.64.0

1.64.0 (2026-10-13)

⚠ BREAKING CHANGES

• App CSS source paths move without shims. Paths relative to client/styles/app/: - shell/20-editor-layout.css, shell/21-editor-skeleton.css, shell/107-collab-presence.css -> Same filenames under editor/ - shell/05-avatar.css, shell/99-notification-bell.css -> Same filenames under user/ - shell/96-activity-feed.css -> list/96-activity-feed.css - list/17-deck-grid.css -> editor/17-deck-grid.css - settings/103-data-source.css -> editor/103-data-source.css - editor/modals/10-modals-base.css -> components/10-modals-base.css; slide-picker and translation variants in editor/modals/10-modals-editor.css - editor/modals/11-modals-loading.css -> components/11-modals-loading.css - editor/106-shortcuts-overlay.css -> components/106-shortcuts-overlay.css - components.css (declarations) -> components/00-components.css; components.css is now generated - editor/modals/13-modals-misc.css (theme-picker section) -> theme-select/13-theme-picker.css - shell/110-sandbox-banner.css (example shelf) -> list/110-sandbox-examples.css; the global banner remains in shell - share-viewer/75-share-viewer.css (revocation dialog) -> editor/modals/19-modals-revoke.css; viewer styles remain in share-viewer

Changed

• align app CSS with feature and DOM ownership (b1646d5)
• clarify CSS path migration release policy (b8a4712)