The Toolset Starter theme is deprecated as you report.
The reason are several, mainly, the low need, the (future) issues with eventual tools like Gutenberg, and the fact that Toolset Layouts, apart from never been properly integrated in the Theme, now as well works with any theme, hence, the Starter Theme as such was not required anymore.
I understand that some users, you are one of, used this Theme extensively to build Sites.
What I suggest in this case is:
- either keep the theme, but be aware that future BUG-fixing would not be done by us.
- or, start to move to a more maintainable Theme, if you like slim, and even less crowded with "fancy" than the Starter Theme
I can provide you an example Theme, that I made for this case.
Your are 100% free to use it as you like, modify, etc.
Just, this is not a Toolset Product, hence, you cannot expect Support for the Theme itself from us.
But, after you see the code in the theme you will realistically recognize that there is not much that can break in it.
The Theme is the most possible minimal version of a WordPress Theme that integrates Toolset (inclusive Layouts).
It is fully commented in the code to explain the "what, why and how".
All ex-Toolset Starter Users that needed another option either switched to the common themes we recommend:
https://toolset.com/documentation/recommended-themes/
Or, they use the Theme I introduce above:
https://github.com/TukuToi/MinimaX1
As said, this would be something that you can use to create a fully "in house" theme of yours, which you probably will have to support less than the currently used Toolset Starter Theme, since it's just as slim as possible.
Note:
I as well experiment with Bootstrap 4 here:
hidden link
That is however not touched since the last Bootstrap 4 alpha, so, it's just a starter point if you are interested.
Please let me know if you can follow up in your projects with something like the Theme I share above?
Or, if you prefer to create your own theme based on the Starter Theme, and use that in future?
I am personally interested in your choice as ex-Developer in charge of The Starter Theme (well, towards the end of it's life ? ), as the author of the Theme I share above, and as user of Toolset myself.