v0.0.15

What's Changed

• fix: only call the update callback when not nil by @imnotjames in #58
• feat: allow interrupting background sync from menu by @imnotjames in #59
• fix: only allow one sync at a time by @imnotjames in #60
• fix: handle missing document in reading recorder by @imnotjames in #61

Full Changelog: v0.0.14...v0.0.15