Don't know if there any plans to increase the amount of textures.
A dozen textures would be more than enough for me, as long as you could have as many custom sets as you want.
Then you could different terrain for every level if needed.
Atm GGc still has a better terrain texture system - especially with the variation texture.
OldFlak....
System Specs
i7-9700K 3.60GHz. ASUS NVidia GeForce GTX 1060 6GB. 32GB Themaltake ToughRam Z-ONE 3600.
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Windows 11 Pro 64-bit Insider
aka Reliquia