Migration from 4.x to 5.x

CommonComponent

setHelpers() has been removed in favor of core usage directly.

Auth

MultiColumn authentication has fully been moved to TinyAuth plugin.

Utility

L10n, Mime classes have been removed
Mutable Time class has been removed, use immutable DateTime instead.
Number class has been moved from Utility to I18n namespace.
DateTime class has been moved from Utility to I18n namespace.

NumberHelper

Custom engine has been moved from Utility to I18n namespace.

TimeHelper

Custom engine has been moved from Utility to I18n namespace.