Cache

If the policy is enabled, the cache is cleared when the browser is closed.

If this policy is disabled or not configured, the cache is not cleared when the browser is closed.

Supported on: Firefox 74 or later, Firefox 68.6 ESR or later
Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
Registry PathSoftware\Policies\Mozilla\Firefox\SanitizeOnShutdown
Value NameCache
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

firefox.admx

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Administrative Templates (Users)