Changelog
What's new in CalendarSync
Every update, improvement, and fix documented in one place.
v1.4.0
NewMarch 2026- NewCalDAV support added: connect Apple Calendar, Yahoo, Fastmail, and Zoho via open standard protocol
- NewUnified Calendars page combines connections and sync rules into a step-by-step flow
- NewEmail and password sign-in with forgot password flow
- ImprovedReal-time sync frequency increased for Pro subscribers using Microsoft Graph subscriptions
- FixedFixed OAuth callback redirect after connecting Google or Microsoft Calendar
v1.3.0
FeatureFebruary 2026- NewMirror sync mode: copy full event details (title, description, location) across calendars
- NewSync logs page with 90-day history for Pro subscribers
- NewConflict detection: alerts when both calendars modify the same event simultaneously
- ImprovedIncremental sync using Google syncToken and Microsoft deltaLink for faster, lower-bandwidth syncs
- ImprovedToken refresh now happens automatically 5 minutes before expiry
v1.2.0
FeatureJanuary 2026- NewStripe billing integration: upgrade to Pro for $8/month
- NewBilling portal: manage subscription, view invoices, cancel anytime
- NewPlan-based feature gates: blocker mode on free, mirror mode on Pro
- ImprovedDashboard now shows sync health summary and next scheduled sync time
- FixedFixed recurring event handling when source event spans timezone boundary
v1.1.0
FeatureDecember 2025- NewMicrosoft Outlook support via Microsoft Graph API with OAuth 2.0
- NewWebhook-based real-time sync for Google Calendar (push notifications)
- NewBidirectional sync: changes on either calendar are reflected on the other
- NewLoop prevention: synced copies are tracked to avoid infinite sync cycles
- ImprovedExpanded timezone selection to 75+ zones across all continents
v1.0.0
LaunchNovember 2025- NewInitial launch of CalendarSync
- NewGoogle Calendar connection via Google Calendar API
- NewBlocker sync mode: create "Busy" placeholder events to prevent double-bookings
- NewPolling-based sync every 5 minutes for all accounts
- NewEncrypted token storage: access and refresh tokens encrypted at rest
- NewGoogle and Microsoft sign-in via Supabase Auth
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