[Pkg-owncloud-maintainers] Bug#896129: UTF-8 characters are not recognized correctly on Buster

[Louis-Philippe Véronneau]

package: owncloud-client
severity: important

I did a dist-upgrade on my laptop running buster (testing), and since
then, UTF-8 support for owncloud-client is broken.

My old sync connection now fails with this message:

"CSync failed to access /path/to/dir/��pice"

Instead of Mojibake, it should be written "Épice"

The GUI popup that lets me choose what dirs I want to sync also shows
Mojibake instead of proper UTF-8 chars in the directory where things
used to work.

If I try to create a new sync connection in a new directory, the
directories containing UTF-8 chars are not synced at all and I get this
error message:

"The filename cannot be encoded on your file system."

I think this last issue is related to this:
https://github.com/owncloud/client/issues/5719, but I think it's now
normal behavior.

I tried downgrading to 2.4.0+dfsg-1 and even to 2.2.4+dfsg-2. It did
solve the problems of files not syncing and Mojibake, but UTF-8 chars
are replaced by "?", as in "?pice" instead of "Épice".

As of now, my guess is that this is due to some Qt5 package update that
broke something.

I know this is not the best bug report in the world, but I've been
trying to debug this for a few hours now without success. I'll post
updates here if I find the guilty package.

-- 
pollo

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