Sharing muSharing multiple files with K-9 not possible (after last update to K-9 V10)

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1

Android 14, K-9 Mail 10:
Sharing multiple files with K-9 not possible (after last update to K-9 V10)

My use case (simple version):
Select multiple images in galery and share this files to K-9 Mail.
Only the last selected file is shown as attachement of a new mail.
I would expect, that all selected files are show as attachment of a new mail in K-9 Mail.
The same use case with another app works fine.

Has anyone run in this issue before?

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2

I reproduced this using Android 15 and K-9 10.0 (F-Droid).

Adding files using the attachment button in the email, both files attached.

Using share after selecting the same two images in the Samsung Gallery app and choosing K-9, results in only the last image attached to the email.

3

Same bug. Android 15 k9 10 will not email multiple attachments

4

Adding manually uses a different mechanic than sharing. The intent used when sharing provides a list of which K-9 only sees the last item as it does not expect a list.

This issue was raised with cketti a few years back, but he insisted back then that this is correct behaviour as the OS is supposed to declare the list when sending the intend instead of just populating the list.

I guess, now that cketti is gone, a developer is willing to change the code so that a list is accepted even when it is not explicitly declared?

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5

I do not know implementation details in Android or K-9 Mail.
But:
Sharing of multiple files was possible until last K-9 update in 2025-05 to K-9 V10.
I guess something changed in K-9 V10 regarding sharing interface.

Sharing of multiple files is possible with most of the apps i use.

I used this functionality (sharing of multiple images to K-9) several years until now.

For understanding my use case i add some details (complex scenario):
Images are usually very large in terms of file size. K-9 has no feature to resize images automatically. So i use an app =Imagepipe // see https://forum.k9mail.app/t/enhancement-request-resize-attached-photos-before-sending/7874.
But beside images i used sharing of multiple files for many years also for p.e. pdf-files to mail with K-9.

I hope that there will be a change in K-9 V10.

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This was reported in GitHub · Where software is built and we have a fix on daily. Once we’ve tested it on beta I’ll make sure it becomes available to release as well.

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