What is this rclone version you're speaking off? I use webview and it crashes whenever I upload images
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Rclone published a beta integration reimplementing proton's client code
I'm currently using the binary from their GitHub repository (v1.64.2). The Proton Drive backend was added in 1.64.0.
You can open a ticket on GitHub. Its essentially supported by one guy who reverse engineered their internal API. This is their reverse engineered API library that rclone depends on:
https://github.com/henrybear327/Proton-API-Bridge
On a related note, proton is adding photos support. Maybe they changed something with their API for photos since the author reverse engineered it due to this.
You have been invited to the beta trial of Proton Drive’s Photo Backup
Dear Proton Community member,
As a core supporter of Proton’s mission, we are excited to invite you to participate in the early access beta of Proton Drive’s new automatic photo backup feature. This feature gives you a secure and convenient way to store, access, and share your best moments right from your mobile device.
As early supporters of Proton, you’re invited to be among the first to test this feature. To join our exclusive early beta, we’ll need your Google ID. Rest assured, your Google ID will only be used for the purpose of this beta test and will remain secure with us.