Zimbra Offline mode broken in Chrome 85

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ghen
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Joined: Thu May 12, 2016 1:56 pm
Location: Belgium

Zimbra Offline mode broken in Chrome 85

Postby ghen » Fri Aug 28, 2020 10:02 am

Offline mode in Zimbra 8.8.15 is no longer working with Chrome as of version 85
Users get the following message: "This feature is currently supported only in Google Chrome and Mozilla Firefox browser."

Looking at the test behind this in Chrome debugger console, turns out that applicationCache test returns FALSE:

AjxEnv.isOfflineSupported = (AjxEnv.isFirefox || AjxEnv.isChrome) && AjxEnv.supported.localstorage && AjxEnv.supported.applicationcache && AjxEnv.supported.indexeddb && AjxEnv.supported.template;

And indeed, this is mentioned in Chrome 85 changes: AppCache Removal begins.
This will require changes in Zimbra: https://web.dev/appcache-removal/

Hope this can be fixed in a 8.8.15 patch …


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L. Mark Stone
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Re: Zimbra Offline mode broken in Chrome 85

Postby L. Mark Stone » Fri Aug 28, 2020 2:50 pm

Please open a Sev 2 Support Case for this if you haven't already.
___________________________________
L. Mark Stone
Mission Critical Email - Zimbra VAR/BSP/Training Partner https://www.missioncriticalemail.com/
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ghen
Posts: 8
Joined: Thu May 12, 2016 1:56 pm
Location: Belgium

Re: Zimbra Offline mode broken in Chrome 85

Postby ghen » Fri Aug 28, 2020 3:18 pm

I have, just informing people here as well.
User avatar
L. Mark Stone
Elite member
Elite member
Posts: 2187
Joined: Wed Oct 09, 2013 11:35 am
Location: Portland, Maine, US
ZCS/ZD Version: 8.8.15 Network Edition
Contact:

Re: Zimbra Offline mode broken in Chrome 85

Postby L. Mark Stone » Fri Aug 28, 2020 3:49 pm

Awesome; thanks!
___________________________________
L. Mark Stone
Mission Critical Email - Zimbra VAR/BSP/Training Partner https://www.missioncriticalemail.com/
Zeta Alliance http://www.zetalliance.org/

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