I have bought the LTD when this deal appeared. Supposedly included all future updates in the offer.
Now they changed their plans and their system of charging (credits), added some AI and they offer all these new features to NEW users for FREE up to some point/level of use.
But for us, old LTD users, there is no FREE plan. WE are required to pay in order to even TRY the new features. (or maybe create a different new account)

I contacted support, and after 3 days and after my 2nd ticket, here is what they replied. :

"Hi ---,

Thank you for contacting Writesonic Support.

I see that you are on our old credit-based plan. Some of the recently launched features are not part of this.
For example:
Article Rewriter,
Chatsonic
Make Your Own Ai
AI Article Writer 4.0 and many more.
It might have shown you the option to upgrade your plan if you try to use these features. We are helping our old customers migrate for free but the subscription fee alone should be paid.

We recommend you purchase the long-form plan, which will be more suitable for you, with a $19/ Month plan, which will give you 100,000 premium words.

In addition, you can save 33% by opting for the annual billing, which will give a monthly billing of $12.67/ Month.

Please let us know if you are okay with upgrading the plan."

I DO NOT LIKE when LTD supporters are treated as stupid early supporters. And once you get their money, you introduce new features but change your plans so they cannot even get anything unless they pay.

Companies like these should NOT get our support.