Stepmania 5 b4 crashed in OSX Yosemite

I just updated my osx x from mavericks to Yosemite but suddenly I cant open it anymore.
there is message like this :

StepMania has crashed. Debugging information has been output to

/Users/radesyabaharuddin/Library/Logs/StepMania 5/crashinfo.txt

Please file a bug report at

https://github.com/stepmania/stepmania/issues

Please help me T-T what should I do?

I'm having the same issue here, upgraded to Yosemite, and when I tried to run Stepmania 5 beta 4 it won't run.

Error log.
StepMania v5.0 beta 4 crash report (build 7, Tue Sep 30 18:40:45 EDT 2014 @ )
--------------------------------------

Architecture: Mac OS X (i386)
Crash reason: Segmentation fault - address not mapped at 0x00000004
Crashed thread: Main thread

Checkpoints:
Thread: GUI thread
Thread: Main thread
RageSurface_Load_PNG.cpp:20
RageSurface_Load_PNG.cpp:245
RageSurface_Load_PNG.cpp:20
RageSurface_Load_PNG.cpp:20
RageSurface_Load_PNG.cpp:20
Thread: Decode thread

Thread: Main thread
97716ff6: CFRunLoopAddObserver (CoreFoundation)
004b5775: RageSoundDriver_AU::Init()
004c7da3: RageSoundDriver::Create(StdString::CStdStr<char> const&)
000192ff: RageSoundManager::Init()
000dd9cf: SM_main
004a163b: -[SMMain startGame:]

Static log:
StepMania v5.0 beta 4
Compiled Tue Sep 30 18:40:45 EDT 2014 @ (build 7)
Log starting 2014-11-15 07:36:03
Loading window: macosx
Model: MacBookPro7,1 (2/2)
Clock speed 2.40 GHz
Mac OS X 10.10
Memory: 8.00 GB
WARNING: ReadFile(Save/ThemePrefs.ini): No such file or directory
Language: en
Theme: default

Partial log:
00:00.621: FlashyCombo doesn't exist, creating
00:00.621: AutoSetStyle doesn't exist, creating
00:00.621: ComboOnRolls doesn't exist, creating
00:00.621: LongFail doesn't exist, creating
00:00.621: GameplayShowStepsDisplay doesn't exist, creating
00:00.621: FancyUIBG doesn't exist, creating
00:00.621: ComboUnderField doesn't exist, creating
00:00.621: Loading "/Themes/default/Scripts/03 Gameplay.lua" ...
00:00.622: Loading "/Themes/default/Scripts/04 Other.lua" ...
00:00.789: Starting thread: Decode thread

-- End of report

stop using beta 4.
https://github.com/stepmania/stepmania/releases/tag/SM5-beta4a

the downloads page hasn't been updated yet because only one person can update the site and he hasn't done it yet
(can you tell I am getting tired of this situation yet)

the downloads page hasn't been updated yet because only one person can update the site and he hasn't done it yet
(can you tell I am getting tired of this situation yet)

next update I am going to make it update-able by people other than myself.