[Building Sakai] sakai.X-UA-Compatible settings in production (Profile 2 help)

[Thomas, Gregory J]

Thanks!  That is helpful information.

We're still having hit and miss issues with Profile 2 with IE8 in production when a user is adding connections (browser freezes).  We're attempting to collect data to figure out if we can find a specific cause with the browser, but nothing definitive yet as its a mixed boat on when IE8 works and when it doesn't.

We're using Sakai 2.7.1 as the code base and our specific Profile 2 version is 1.3.14.  Any other institutions have this issue or could do something testing with IE8 (IE9 would be good, too) and help report data, that would be greatly appreciated.  Emulating IE7 seems to fix it, but we'd prefer to emulate IE8 to deal with the other known issues.

Thanks,
Greg Thomas

From: Matthew Jones <jonespm at umich.edu<mailto:jonespm at umich.edu>>
Date: Fri, 20 May 2011 12:30:29 -0400
To: Gregory Thomas <gjthomas at iupui.edu<mailto:gjthomas at iupui.edu>>
Cc: "sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org>" <sakai-dev at collab.sakaiproject.org<mailto:sakai-dev at collab.sakaiproject.org>>
Subject: Re: [Building Sakai] sakai.X-UA-Compatible settings in production

The recommendations for Sakai 2.5 & 2.6 was for IE7. This was just provided via a patch. IE8 mostly worked but had some patches that weren't backported.

2.5 & 2.6 were recommended to be patched and set to IE=EmulateIE7 (SAK-16074)

For 2.7 and 2.8, a patch was committed as you mentioned (KNL-697) because some features were completely broken by IE9 and not fixable in time to get the release out. (Mostly around FCKEditor)

2.7&2.8 were by default set to IE=EmulateIE8

Whether your choose IE7 or IE8 would depend on your users (if you have google analytics) and local testing. Both should be equally compatible. Hopefully by 2.9 we can switch to CKEditor by default and have all other IE9 related issues fixed. But then they'll have IE10 out so we'll probably still need an IE=EmulateIE9. :)

SAK-20283 [1] is an umbrella jira for IE9 issues. It still had 4 outstanding. All of these were temporarily resolved with this flag.

[1] https://jira.sakaiproject.org/browse/SAK-20283

On Fri, May 20, 2011 at 10:21 AM, Thomas, Gregory J <gjthomas at iupui.edu<mailto:gjthomas at iupui.edu>> wrote:
Hello,

Indiana University has very recently successfully upgraded to version 2.7 of Sakai!  One of the newer-ish items we discovered during the upgrade was the ability for browsers to emulate an older version, such as IE emulating IE7 via this setting in the sakai.properties:

sakai.X-UA-Compatible=IE=EmulateIE7

We found an issue with Profile 2 so far without the browser emulation forcing a compatibility mode with IE8, but think there are others based off comments I read from https://jira.sakaiproject.org/browse/KNL-697

Mostly writing to the list to see what other institutions are doing for their production environments as far as their emulation settings may go.  Additionally, any specific tools or areas where a newer browser has a problem would be good to know, too.  Any concerns people may have thought of for their implementation decisions is appreciated, as well.

Thanks!
Greg

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