3.0, All content unlocked in Early access.
Without HW you can get to 60 but you will not get EXP from level 50 content only level 1-49
You will not get ability from 51-60 as they are locked behind quests.
You will not get to be new race.
you will not get new jobs.
New Tomestones will be locked out.
New scipts will be locked out.

Bug fixes, hot fix
3.0X alex 2 weeks
Bug fixes, hot fix
3.05 2 more weeks
Bug fixes, hot fix
Bug fixes, hot fix
Bug fixes, hot fix

3.1 Close to 4 months after 3.0 is out.
3 more dungens
1st round of job balancing.
unknown 24 man content.