Have the same crash. It's almost crash with a NUL bone and double click. By the way, the hotkey ctrl click when creating a bone dosen't work anymore, we have to double-click after creating the bone to assign the attachment...
Spine Launcher 2.0.02-full
Windows 8 x86 6.2
Java 1.7.0-u6-unofficial Oracle Corporation
OpenJDK Server VM
Up to date: 2.0.22
Licensed to: Akimis
Spine 2.0.22 Professional, LWJGL
NVIDIA Corporation
GeForce GT 730M/PCIe/SSE2
4.3.0
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An unexpected error has occurred:
java.lang.IllegalArgumentException: Invalid selection: xH added to xy selection
at qo.c(SourceFile:136)
at zh.a(SourceFile:235)
at yt.a(SourceFile:60)
at qo.b(SourceFile:55)
at lx.b(SourceFile:101)
at ly.b(SourceFile:240)
at cV.b(SourceFile:195)
at lz.b(SourceFile:298)
at cV.b(SourceFile:169)
at o.b(SourceFile:96)
at o.b(SourceFile:96)
at av.e(SourceFile:326)
at ah.run(SourceFile:224)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:711)
at java.awt.EventQueue.access$000(EventQueue.java:104)
at java.awt.EventQueue$3.run(EventQueue.java:672)
at java.awt.EventQueue$3.run(EventQueue.java:670)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:681)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:147)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:139)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)