You can see new features of IDE in GMS 2.3 here: https://www.yoyogames.com/blog/550/gamemaker-studio-2-3-new-ide-…

Screenshots!

I recommend this guy to you, read his twitter. His making really good shaders! https://twitter.com/XorDev

You can see new features of GML in GMS 2.3 here: https://www.yoyogames.com/blog/549/gamemaker-studio-2-3-new-gml-…

Start redrawing all dev textures to my own

Add different effects...

More screenshots about new autotiling blocks system based on shaders!

New beta 2.3 is here! https://www.yoyogames.com/blog/565/gamemaker-studio-2-version-2-…

Copied the color of the sky to the lighting, why I didn't do that before, I don't understand. But it looks so much better now!

New auto tile system on blocks. I haven't finished working on it yet, but it looks good already.