Qt 6.2 release plan

[shelllet]

Phase	Original plan	Updated plan	Realized
Feature Freeze	04.06.2021		7.6.2021
Branch 6.2 from dev	04.06.2021	07.06.2021	9.6.2021
Alpha Release	15.06.2021		23.6.2021
Beta1 Release	06.07.2021		6.7.2021
Beta2 Release	27.7.2021	29.7.2021	29.7.2021
Soft String Freeze		06.08.2021	9.8.2021
String freeze		16.8.2021	16.8.2021
Beta3 Release	17.08.2021		19.8.2021
Branch 6.2.0 from 6.2
Beta4 release	31.8.2021
Release Candidate	14.09.2021
Final Release	28.09.2021	30.09.2021

[shelllet]

https://wiki.qt.io/Qt_6.2_Release