timelines v0.5.0-alpha.3

Breaking Changes

• Reworked theme color variables (renamed keys, added theme type/collection metadata). Custom/old themes can be updated in app settings. Marketplace themes will no longer work in older versions of the app. See the Themes wiki for the updated format.
• Removed hidden cloud / account features

Bug Fixes

• Fix assets folder picker in timeline settings
• Fix event overlap when thumbnails are being used
• Fix YouTube Embed Error 153

This is an early testing build. Expect bugs, missing features, and breaking changes. Please report issues on GitHub.