how do you make the case-sensitive index block?
Done.
I also suggest a boolean that detects if BIGNUMS is on. Like this:
that only works if you want it case sensitive. By using the one in the stings library, it's not.
done.
Can you add an option to resize the custom dialog boxes?
I wouldn't say that, but I wouldn't know how to do it.
Oh. Can you make a custom dialog block that reports the button pressed?
@ashtyboi
Not really, but there's a simple (ish) workaround:
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Actually, I guess I could make a non-javascript (kinda) block using this. Hang on
The block itself doesn't use javascript, but it has blocks in it that use javascript.
Done.
Can you add a block that acts like the 
block but with sprites? It should also include the edge option. Like this:
Sorry, I don't know how to make the bounce part of it. (Way more complicated than you might think.)
This is already a primitive! Just use
The definition is also unnecessarily complicated.
Also, if you turn off the negative? and decimal? flags, the block basically loses all meaning, since it just reports 1. Why even have those?
There's a much simpler way to make this definition:
The "reverse string" block is missing a definition.
This can be done much more easily:
...What?
Why don't you just use 
?
Can be simplified:
Because has precision issues. The blocks I made simply make precision better.
Will you add my textbox blocks?
(var is a text variable dropdown input)
(box is a read-only number input)
(Playing with morphs is so fun!)
Done.