iOS S3 (Wasabi) Sync Error

iOS Windows
OS Version 14.2 Win 10 2004
Joplin Version 10.3.1 1.4.7 (prod, win32)
Sync Version N/A 2
Database (iOS) Profile (Desktop) 34 34
FTS Enabled 1 N/A
Key Chain Support N/A Yes
Revision N/A 4c5e0447a (master)

I'll preface this with saying, I understand this is a beta feature AND that Wasabi may not be a supported S3 service.

I set up Amazon S3 Sync, with Wasabi and on the desktop it worked perfectly. When I then went to sync my iPhone, it created the remote items (as I can see the Welcome Mobile folder now on the desktop) but it could not download anything and returns this error:

Last error: Error: Raw buffer output not supported for FsDriverRN.readFile

I'm unable to copy the iOS log text, but I as able to grab some text from a screenshot (which I've included below):

11-10107:54:00: "There was some errors:"
11-10T07:54:00: "Error: Raw buffer output not supported for FsDriverRN.readFile value@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:1051:3858 /private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:1325:2006 y@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:587 /private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:1890
y@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF-
D0626E8E3589/Joplin.app/main.jsbundle:114:587
o@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:1066 /private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:1423
c@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF-
D0626E8E3589/Joplin.app/main.jsbundle:41:205
X@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF-
D0626E8E3589/Joplin.app/main.jsbundle:4l:l586
_@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF-
D0626E8E3589/Joplin.app/main.jsbundle:41:484
h@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:1407 /private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:1459 /private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:3848 /private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:1325:6515 y@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:587 /private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:1890
y@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF-
D0626E8E3589/Joplin.app/main.jsbundle:114:587
o@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:1066 /private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:1423
c@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF-
D0626E8E3589/Joplin.app/main.jsbundle:41:205
X@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF-
D0626E8E3589/Joplin.app/main.jsbundle:4l:l586
_@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF-
D0626E8E3589/Joplin.app/main.jsbundle:41:484
h@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:1407 /private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:1459 /private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:3848 /private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:1237:395
y@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:587 /private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF- D0626E8E3589/Joplin.app/main.jsbundle:114:1890
y@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF-
D0626E8E3589/Joplin.app/main.jsbundle:114:587
o@/private/var/containers/Bundle/Application/10AA3181-71CE-4520-ACCF-
Refresh	Errors only

Yes as the message says, what's needed is not currently supported: https://github.com/laurent22/joplin/blob/06f2fda94643ab20cfba08217a966059d049b030/packages/app-mobile/utils/fs-driver-rn.js#L117 So someone would need to add support for it first.

Okay, thanks @laurent!

For anyone else who runs into this issue, I just tried to change over to an AWS S3 bucket sync, and received the same error on iOS (after clean install). So S3 sync (any provider) will not work on iOS until this is added.

I'm receiving the same error, but while syncing directly(as in no Wasabi) to S3. Oddly, the sync seemed to work the first few times, but then failed and I can't seem to get it to work again even after reinstalling the iOS Apps.