But Good News

Tag lang display flag/text langs ready ONLY
Add nocurrent param (no display current flag/text lang) to tag lang
MenuManager display langs ready ONLY
A lang is NOT READY if menu text is empty
So now are obsolete:
Tips and Tricks - #4: I don't want to display empty menu items if current language is not ready!
Tips and Tricks - #9: I want to display "default language" page if current language page is not ready (empty content)!
PAY ATTENTION:
Release with 1.4.1-2 are same but more 2.0 friendly (cosmetic only):
click on name and not on flag for editing in List content and Global Content Block
switch languages in select box in Edit content and Edit GCB
Alby