Good news for GTA fans - despite all the recent rumors, there is currently no official sign of another delay. 
Ahead of Take-Two’s upcoming earnings call, the publisher has already released parts of its financial documentation, including an updated release schedule of current and upcoming titles for this fiscal year.

In that document, GTA VI is still officially listed for November 19, with no mention of a postponement.
Of course, anything can change, but as of now, Take-Two is clearly still standing behind the planned launch window.

Now the bigger question is - if the date is stable, when will Rockstar finally drop the next major update?