As 2.3 moved into half-opened beta, and it's closer to stable release (1-2 months maybe?), I started to wonder will GMLive work with it.

They made a lot of changes, for file structure, and also now functions have some rather random names/references, like:

gml_Script_anon____struct___0_92_gml_GlobalScript_Script4

and thus those may be hard to support at all.

Will it be possible to still use GM Live (even if with some restrictions, like not creating anonymous functions in live part of code), or you yet didn't looked into?

I intend to support 2.3, but it does indeed come down to

A. Adding support for new syntax to GML-side compiler and runtime.
B. Adding support for new syntax to file-watch server.
C. Supporting new and unusual ways for code to be stored.

As you mention, reported function names currently leave much to be desired, so we'll see if that improves or if I'll have to add some sort of manual tagging (like assigning a unique name into a global variable before you live_call) for functions.

Yep, looking by amount of things they changed, seems it will take several weeks or months to add needed support, but it's good to see you didn't cross out the possibility as for today. I'm keeping fingers crossed then that you'll find a way (or they fix the bugs needed to make it work, and Russell won't come with his "this is by design" :P).

I really, really, REALLY hope this will work with 2.3 when the time comes.  I'm just (re)-starting with GM after a long hiatus and was stoked about 2.3 and your live coding system.  It would save tons of time.  Here's hoping as said above by you they change things so it's not "by design".  It seems like all other companies though they are trying to snuff out the smalltime developer.