Firefox 10 upgrade: can't force installation of Tab Utilities add-on

[Adam Funk]

On 2012-02-04, Ioannis Vranos wrote:

> On Sat, Feb 4, 2012 at 10:55 PM, Adam Funk <a24061 at ducksburg.com> wrote:
>> I took the upgrade to Firefox 10 this morning & have regretted it all
>> day.  It declared the Tab Utilites add-on incompatible & I have tried
>> the following ways to make it suck it up:
>>
>> 1. about:config and set all extensions.checkCompatibility* to "false";
>>   they were all false anyway;
>>
>> 2. add extensions.checkCompatibility.10.0 and
>>   extensions.checkCompatibility.10.0a and set them to false;
>>
>> 3. unzip the xpi file, edit install.rdf to change the value of
>>   <em:maxVersion> to "99.9", zip it back up;
>>
>> 4. same as #3, but with "*" instead of "99.9".
>>
>> Every time, I get "Tab Utilities could not be installed because it is
>> not compatible with Firefox 10.0".  This is the most difficult add-on
>> problem I've seen yet --- even though FF 10 is supposed to be more
>> tolerant of this.  Any other suggestions on how to make FF accept this
>> add-on?
>
> Perhaps it is add on's issue, and not Firefox's?

Well, perhaps.  I haven't had to resort to these measures recently,
but altering em:maxVersion in the install.rdf file always used to
work.