Version 0.5b

• Automatically executes a garbage collection when low space is signaled
• VM Object allocation functions returns CObjectPointer instead of (STObject *)
• New VM alloc function for ExternalAddresses
• Process list generated in GC primitive
• Implemented low level debug mechanism to show message sends
• Move traitComposition instance variable from ClassDescription to Behavior

Bug Fixes:

• TranscriptStream cyclic buf in #pastEndPut:
• MaxObjects too big, optimized code failed to open AppLauncher
• #printOn:base: defined in SmallInteger causes FractionTest #testFractionPrinting to fail
• gmalloc overflows allocatedObjects[]
• newIntegerOrLong() must convert unsigned ints
• ExternalAddress fromInteger: does not handle negatives
• uncheckedAtPut din't check values between 0 and 255 for variableByteObjects
• garbage collector flush at cache while being used

Version 0.5a

• More portable handling of process resume and suspend in ST
• Better handling of Gtk main loop process
• FileDirectory uses libc's getcwd to set DefaultDirectory
• Added Utilities class, and system properties getter/setter methods

Bug Fixes:

• garbage collector didn't flush at cache
• garbage collector didn't inspect active process stack
• GtkAboutDialog DNU getHandle
• ExternalStructure DNU setHandle
• ClassBrowser sometimes brings a GTK error when selecting a class
• Memory leak in checkAllMemory and saveArray
• Deadlock at gmalloc, when previous gmalloc returned with an error
• Behavior new new crashes the image

Version 0.5

• ClassBrowser funcionality, add/modify method
• ClassBrowser funcionality, add/modify class
• Clean up Process/ProcessScheduler, simplify interaction
• Added first manual garbage collector
• Added weak arrays and finalization support
• Added first somInstance/nextInstance implementation
• Added basic snapshotAndQuit support
• Better external object support with auto finalization
• Reorganize project directrories

Bug Fixes:

• GIRBuilder cacheMap
• Mismatch between object's size and class instSize in some classes
• Compiler inlining #at: and #at:put
• Fixed a bug in Makefile.am, now configure works without kdevelop

Version 0.4

• Fixed temp location in the stack frame
• Fixed thisEnv var location in the stack frame
• Debugger inspects args, temps (both local and captured) and receivers correctly
• Added temp initialization by pushing nil oop, will change this in the future
• Synced compiler changes with original sources developed in Squeak
• Unify tools behavior by using pluggable view
• Added Quit option to File Menu in AppLauncher

Bug Fixes:

• Buggy class creation mechanism (ClassBuilder).

Version 0.3

• Added dynamic Traits
• Added a GTK wrapper (incomplete)
• Make Gtk wrapper thread safe
• Added UNIX pthreads support
• Added dynamic library mapping
• Changed File IO classes to support dynamic libraries
• Added a Transcript stream
• Created GUI Tools: a workspace, a transcript, a class browser and the application launcher.
• Created basic Debugger
• Added debug info to compiled methods (CompiledMethod and InstructionSequence)
• Make UnhandledError open the debugger
• Added ChangeSet mechanisms
• Added Context (PseudoContext) materialization from stack, debugger support.

Bug Fixes:

• Unwind mechanism doesn't remove FramePointers, Exceptions or Ensures from exception handler list.
• ClassBrowser hangs selecting class metohds.

Version 0.2

• Rename project to Huemul
• Separate image from executable
• Create SVN repository (http://www.guillermomolina.com.ar/repos/huemul/)
• Added fileIn/fileOut support

Version 0.1

• Initial executable
• Basic file support
• Added SystemTracer
• Support to create image files
• Use exupery as compiler
• Use SmaCC as translator
• Bug Fixes