Hi all!

After upgrading from ESR 52.9 to ESR 60.8, some users reported that only the first tab opened in Firefox was working. They can open new tabs but cannot navigate on them.

I've found that the problem was with the property "browser.migration.version" set in "%appdata%\Mozilla\Firefox\Profiles\{userprofile}\prefs.js":

user_pref("browser.migration.version", 22);

Removing this line or setting the value to 66 fix the issue. So, how exactly does this property works? I couldn't find any information about this.

--

*Tiago Marques Delboni*
Gerência de Aplicações e Suporte a Clientes / GTI
(31) 2108-7700

Assembleia Legislativa de Minas Gerais <http://www.almg.gov.br> Facebook da Assembleia <http://www.facebook.com/assembleiademinas> Twitter da Assembleia <http://www.twitter.com/assembleiamg> Instagram da Assembleia <http://www.instagram.com/assembleiademinas> Youtube da Assembleia <http://www.youtube.com/assembleiamg/>

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