J3.x:Missing Installer Tabs

From Joomla! Documentation

Other languages:
Deutsch • ‎English • ‎Nederlands • ‎español • ‎français • ‎فارسی

Errors reported

After upgrading to Joomla 3.6.0, under certain circumstances, your installer tabs are missing (Install from file, Install from web, Install from folder etc..)

Versions affected

General Information

This pertains only to Joomla! version(s): 3.6.0

What is the cause

How to fix

CLEAR your cache, Clear your admin cache, Discover for new extensions, install the new plugins, enable the new plugins

See also: https://github.com/joomla/joomla-cms/issues/11098#issuecomment-232341213