UI events cause Crash after adding Table (Darwin)

After I have added a ui.Table to my interface, events on UI component crash frequently. Resizing the window dies 100%.

Here are some dumps I've collected after crashing.

_Clicking on Image:_

panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xb code=0x1 addr=0x14 pc=0x40259ce]

goroutine 16 [running]:
runtime.panic(0x412d7c0, 0x4211d84)
/usr/local/go/src/pkg/runtime/panic.c:279 +0xf5
github.com/andlabs/ui.areaMouseEvent(0x4723640, 0x7023e90, 0x4030000, 0xc20803c560)
/Users/antonyho/golang/src/github.com/andlabs/ui/area_darwin.go:170 +0x6c1
github.com/andlabs/ui.areaView_mouseMoved_mouseDragged(0x4723640, 0x7023e90, 0xc20803c560)
/Users/antonyho/golang/src/github.com/andlabs/ui/area_darwin.go:177 +0x45
github.com/andlabs/ui._Cfunc_uimsgloop(0x4034f71)
github.com/andlabs/ui/_obj/_cgo_defun.c:588 +0x31
github.com/andlabs/ui.uimsgloop()
/Users/antonyho/golang/src/github.com/andlabs/ui/uitask_darwin.go:27 +0x1a
github.com/andlabs/ui.Go(0x0, 0x0)
/Users/antonyho/golang/src/github.com/andlabs/ui/uitask.go:22 +0x71
main.main()
/Users/antonyho/golang/src/reserve-gui/main.go:279 +0x36

goroutine 19 [finalizer wait]:
runtime.park(0x401d430, 0x421f128, 0x4213e49)
/usr/local/go/src/pkg/runtime/proc.c:1369 +0x89
runtime.parkunlock(0x421f128, 0x4213e49)
/usr/local/go/src/pkg/runtime/proc.c:1385 +0x3b
runfinq()
/usr/local/go/src/pkg/runtime/mgc0.c:2644 +0xcf
runtime.goexit()
/usr/local/go/src/pkg/runtime/proc.c:1445

goroutine 17 [syscall]:
runtime.goexit()
/usr/local/go/src/pkg/runtime/proc.c:1445

goroutine 21 [chan receive]:
github.com/andlabs/ui.uiissueloop()
/Users/antonyho/golang/src/github.com/andlabs/ui/uitask.go:59 +0x50
created by github.com/andlabs/ui.Go
/Users/antonyho/golang/src/github.com/andlabs/ui/uitask.go:21 +0x6a
exit status 2

_Resizing Window:_

fatal error: unexpected signal during runtime execution
[signal 0xb code=0x1 addr=0x28 pc=0x7fff9adcf825]

runtime stack:
runtime: unexpected return pc for runtime.sigpanic called from 0x7fff9adcf825
runtime.throw(0x4211cd6)
/usr/local/go/src/pkg/runtime/panic.c:520 +0x69
runtime: unexpected return pc for runtime.sigpanic called from 0x7fff9adcf825
runtime.sigpanic()
/usr/local/go/src/pkg/runtime/os_darwin.c:439 +0x3d

goroutine 16 [syscall]:
runtime.cgocall(0x4002370, 0x45b5f40)
/usr/local/go/src/pkg/runtime/cgocall.c:143 +0xe5 fp=0x45b5f28 sp=0x45b5ee0
github.com/andlabs/ui._Cfunc_containerBounds(0x40f3480, 0xc20804c000, 0x186, 0x41330e0, 0xc2080b2940)
github.com/andlabs/ui/_obj/_cgo_defun.c:183 +0x31 fp=0x45b5f40 sp=0x45b5f28
github.com/andlabs/ui.containerResized(0xc2080c6440)
/Users/antonyho/golang/src/github.com/andlabs/ui/container_darwin.go:45 +0x5a fp=0x45b5fa0 sp=0x45b5f40
----- stack segment boundary -----
runtime.cgocallbackg1()
/usr/local/go/src/pkg/runtime/cgocall.c:275 +0xb9 fp=0x45a1e48 sp=0x45a1df0
runtime.cgocallbackg()
/usr/local/go/src/pkg/runtime/cgocall.c:247 +0x6b fp=0x45a1e70 sp=0x45a1e48
runtime.cgocallback_gofunc(0x400e10d, 0x4002720, 0x45a1ee8)
/usr/local/go/src/pkg/runtime/asm_amd64.s:786 +0x69 fp=0x45a1e80 sp=0x45a1e70
runtime.asmcgocall(0x4002720, 0x45a1ee8)
/usr/local/go/src/pkg/runtime/asm_amd64.s:691 +0x3a fp=0x45a1e88 sp=0x45a1e80
runtime.cgocall(0x4002720, 0x45a1ee8)
/usr/local/go/src/pkg/runtime/cgocall.c:143 +0xfd fp=0x45a1ed0 sp=0x45a1e88
github.com/andlabs/ui._Cfunc_uimsgloop(0x4034f71)
github.com/andlabs/ui/_obj/_cgo_defun.c:588 +0x31 fp=0x45a1ee8 sp=0x45a1ed0
github.com/andlabs/ui.uimsgloop()
/Users/antonyho/golang/src/github.com/andlabs/ui/uitask_darwin.go:27 +0x1a fp=0x45a1ef0 sp=0x45a1ee8
github.com/andlabs/ui.Go(0x0, 0x0)
/Users/antonyho/golang/src/github.com/andlabs/ui/uitask.go:22 +0x71 fp=0x45a1f18 sp=0x45a1ef0
main.main()
/Users/antonyho/golang/src/reserve-gui/main.go:279 +0x36 fp=0x45a1f50 sp=0x45a1f18
runtime.main()
/usr/local/go/src/pkg/runtime/proc.c:247 +0x11a fp=0x45a1fa8 sp=0x45a1f50
runtime.goexit()
/usr/local/go/src/pkg/runtime/proc.c:1445 fp=0x45a1fb0 sp=0x45a1fa8
created by _rt0_go
/usr/local/go/src/pkg/runtime/asm_amd64.s:97 +0x120

goroutine 19 [finalizer wait]:
runtime.park(0x401d430, 0x421f128, 0x4213e49)
/usr/local/go/src/pkg/runtime/proc.c:1369 +0x89
runtime.parkunlock(0x421f128, 0x4213e49)
/usr/local/go/src/pkg/runtime/proc.c:1385 +0x3b
runfinq()
/usr/local/go/src/pkg/runtime/mgc0.c:2644 +0xcf
runtime.goexit()
/usr/local/go/src/pkg/runtime/proc.c:1445

goroutine 17 [syscall]:
runtime.goexit()
/usr/local/go/src/pkg/runtime/proc.c:1445

goroutine 21 [chan receive]:
github.com/andlabs/ui.uiissueloop()
/Users/antonyho/golang/src/github.com/andlabs/ui/uitask.go:59 +0x50
created by github.com/andlabs/ui.Go
/Users/antonyho/golang/src/github.com/andlabs/ui/uitask.go:21 +0x6a
exit status 2