OPDS stopped working

peaceridge · 03-26-2026, 06:29 PM

I don't know if it is a calibre thing or a mac os 26.3 or ipad os 26.4 thing. But, MapleRead and Marvin neither can auto detect the OPDS catalog, even when I enter the calibre address.

kovidgoyal · 03-26-2026, 11:05 PM

There have been no changes to OPDS in calibre in many, many years.

peaceridge · 03-26-2026, 11:11 PM

Quote:

Originally Posted by kovidgoyal

There have been no changes to OPDS in calibre in many, many years.

Thanks, so it is the ipad update that keeps the apps from finding the OPDS.

ShellShock · Yesterday, 03:54 AM

What version of IOS?
What version of MapleRead?
What version of Calibre?
How are you scanning/detecting the OPDS catalog in MapleRead?

I may be able to try and reproduce this depending on the answers to the above, as I have MapleRead and an IPad on IOS 26.

Edit: this works for me:

Calibre 8.16.2, on Windows 11
Mapleread 6.3 on IOS 26.3.1 (a), IPad Mini 5th Generation

Start Content Server in Calibre
In Mapleread, Go to Exchange, Auto-detected OPDS Catalogs

I have an IOS update pending: 26.4
Also I have not yet upgraded to Calibre 9.

Zebedi · Yesterday, 07:13 AM

Calibre 9 on Windows 11
IOS 26.4

OPDS Connects to MapleRead and Calibre sync and updates on IPad Air and IPad Mini

peaceridge · Yesterday, 09:53 AM

Thanks everyone. All is working fine today. Maybe a tower or hotspot glitch yesterday? Weird! FYI I'm on Calibre 9.2.1 on Mac OS 26.3, ipad os 26.4 on both my mini and m4 air.

JSWolf · Yesterday, 10:52 AM

Quote:

Originally Posted by peaceridge

Thanks everyone. All is working fine today. Maybe a tower or hotspot glitch yesterday? Weird! FYI I'm on Calibre 9.2.1 on Mac OS 26.3, ipad os 26.4 on both my mini and m4 air.

You should update to iOS 9.4 and keep updated.

peaceridge · Yesterday, 11:02 AM

Quote:

Originally Posted by JSWolf

You should update to iOS 9.4 and keep updated.

Good point. I didn't realize I was behind.

JSWolf · Yesterday, 03:25 PM

Quote:

Originally Posted by peaceridge

Good point. I didn't realize I was behind.

That way, any new features and fixes you'll have. It's akin to reporting a problem with 9.1 when 9.6 is current and has the problem fixed.

03-26-2026, 06:29 PM	#1
peaceridge Wizard Posts: 1,111 Karma: 4408398 Join Date: Feb 2009 Location: North Carolina Device: Kobo Aura1, Nexus7.2, Galaxy Tab A 8.4, Ipad Air & Mini 6	OPDS stopped working I don't know if it is a calibre thing or a mac os 26.3 or ipad os 26.4 thing. But, MapleRead and Marvin neither can auto detect the OPDS catalog, even when I enter the calibre address.

Yesterday, 03:54 AM	#4
ShellShock Wizard Posts: 1,184 Karma: 2431850 Join Date: Sep 2008 Device: IPad Mini 2 Retina	What version of IOS? What version of MapleRead? What version of Calibre? How are you scanning/detecting the OPDS catalog in MapleRead? I may be able to try and reproduce this depending on the answers to the above, as I have MapleRead and an IPad on IOS 26. Edit: this works for me: Calibre 8.16.2, on Windows 11 Mapleread 6.3 on IOS 26.3.1 (a), IPad Mini 5th Generation Start Content Server in Calibre In Mapleread, Go to Exchange, Auto-detected OPDS Catalogs I have an IOS update pending: 26.4 Also I have not yet upgraded to Calibre 9. Last edited by ShellShock; Yesterday at 04:19 AM.

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03-26-2026, 11:05 PM	#2
kovidgoyal creator of calibre Posts: 46,138 Karma: 29626604 Join Date: Oct 2006 Location: Mumbai, India Device: Various	There have been no changes to OPDS in calibre in many, many years.

Yesterday, 07:13 AM	#5
Zebedi Enthusiast Posts: 38 Karma: 6256 Join Date: Nov 2014 Location: Byford, Western Australia Device: IPad Pro 12.9, 10.5, IPhone 16	Calibre 9 on Windows 11 IOS 26.4 OPDS Connects to MapleRead and Calibre sync and updates on IPad Air and IPad Mini

Yesterday, 09:53 AM	#6
peaceridge Wizard Posts: 1,111 Karma: 4408398 Join Date: Feb 2009 Location: North Carolina Device: Kobo Aura1, Nexus7.2, Galaxy Tab A 8.4, Ipad Air & Mini 6	Thanks everyone. All is working fine today. Maybe a tower or hotspot glitch yesterday? Weird! FYI I'm on Calibre 9.2.1 on Mac OS 26.3, ipad os 26.4 on both my mini and m4 air.

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