I see that PortableAppsMenu says there's a Thunderbird 128.1.0 update, but the website downloads 128.0.1 when I surf/click the link manually.
Was able to hotwire the download...
New: r3dfox (July 15, 2025), Platform 30.0.4 (July 15, 2025)
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I updated the app homepage, thanks for the heads up
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