release-21.6
Added option to modulate fog with sky color (#407)
String hashes now use 64 bit
Debugging helper for ExpressionVM and fixes in proc gen code generation to prevent NaNs
Restructured libs: Core, GameEngine, System (#340)
Format everything using clang-format (#267)
Procedural placement fixes (#377)
Restructures the code into more folders
SPIR-V shader compiler support (#350)