Havoc Startup Minimizer :: Add-ons for Thunderbird

About this Add-on

A lightweight, efficient, and permission-free extension for Mozilla Thunderbird that minimizes the main Thunderbird window immediately after startup.

Version Information

Version 1.0 Released Nov. 16, 2025 3.7 KiB Works with Thunderbird 78.0 and later

Source code released under Mozilla Public License, version 2.0

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