The image shows my Site Administration for 3.0:
I see no option for session timeout.
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[updated: 01 Apr 2018]
MacOS: 10.11.6 (El Capitan)
Safari 11.1; Firefox 59.0.2
PHP 7.1 Fast CGI
mySQL server: 5.1.56
Kiwitrees:
"The Royals 3.3.3 (03)" <royals.rbcsolutions.ca>
"Rebbes of Ger 3.3.3 (03)" <private>
"Uncle Ummie's Journal 3.3.3 (03)" <private>
