Provider for Google Calendar

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от KmpX Окт. 6, 2026 · permalink

Not working on Thunderbird 157? Here's a workaround that works.

Thunderbird 157.0.1 disables this add-on because it's outside the supported version range, and Tasks sync also fails on 157.

Workaround: use Thunderbird Portable 115.18.0 (the last 115 ESR release) from PortableApps.com:
1. Download "Thunderbird Portable Legacy 115 - 115.18.0" from the Legacy Editions page.
2. Install it and create a NEW profile (don't reuse a profile already opened by 157).
3. Install Provider for Google Calendar from this page. On the add-ons site, set "Works with" to "Any Thunderbird" if it's hidden.
4. Add your calendar via Calendar > New Calendar > On the Network > Google Calendar and sign in.
5. Disable auto-update in Config Editor (app.update.auto = false, app.update.enabled = false), otherwise it will update itself to a newer version and break again.

No manifest editing or signature changes needed.

Caveat: 115 only received security patches up to Dec 2024, so be careful with untrusted links and attachments. This is a stopgap until the developer releases a version that supports 157.

Thanks to Philipp for maintaining this add-on.