Turkish characters are also incompatible with the Turkish language file update is out. How can we fix this problem ...

There are a few character issues in some contexts that cause this, and it's in works for fixing with the next update. (Not with Turkish in particular, but Turkish should get fixed in the process too.)

Can you please refer me to the Turkish language file you mention? I don't think I've heard of it yet. =)

I have a bad English exactly what you want from me I could not understand ...

Turkish language files in the folder as I tried to edit but "ç ı ğ ş ö ü" error occurs when I use the letters (http 500)...

I encountered the same problem or something in the article title...

Yardımlarınızı bekliyorum Lütfen...

I have now fixed the obvious issues affecting extended ASCII and complex script (in Unicode) input. More details on this with the new release (finished with code for now, packing up tomorrow with a fresh head).

Just to clarify — do you have a problem with Turkish characters outside using the Builder and posting content into the modules? You mentioned language files and an error 500 — if you can point me to somewhere where it actually happens, or tell me what exactly to do to repeat this, it'll be easier for me to test at my end.