I was editing text when the text went out of bounds. So I decided to change the font size. To do that I hit Shift + Up to select the text and I got an immediate crash.
Here is the Relevant info from the Crash Log:
OS Version: Mac OS X 10.14.1
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 TXT.dylib 0x000000010178ce71 AESLO::RenderedText::RememberCursorAdvance(AESLO::Assigned<AESLO::Real>&, AESLO::CharacterPosition) const + 273
1 TXT.dylib 0x000000010178c8d5 AESLO::RenderedText::FindPositionInNextLine(AESLO::CharacterPosition, ATE::Direction, AESLO::Assigned<AESLO::Real>&) const + 357
2 TXT.dylib 0x000000010163ae42 AESLO::Document::FindNewCursorLocation(AESLO::TextEditorKey, AESLO::KeyCombo, bool) const + 2242
3 TXT.dylib 0x0000000101638a9c AESLO::Document::HitKey(AESLO::TextEditorKey, unsigned short, AESLO::KeyCombo, AESLO::Encoding const&,