What´s new in version 7.5.2

• Fixed an issue that could cause the virtual procesor to get stuck in an endless loop.
  
• The right arrow key did not work correctly when used for game control. This has been fixed.

What´s new in version 7.5

• Support for two Mockingboard cards in one machine, in order to listen to max. 12 channels.
  
• Corrected an issue with double low resolution colors.
  
• Added an experimental feature: the super serial card emulation can now work with Unix named pipes (full license only).
  
• Improved timing of video rendering; the Apple //e cursor now blinks with constant time intervals.
  
• The RAMWorks card now has a maximum capacity of 16 MB (was 8 MB) (full license only).
  
• Relaxed the requirements for a custom character set definition: the file can now be either tiff or png, 1-bit or 8-bit.
  
• The Preferences window now shows the correct tab when opened.
  
• Simultaneous disk drive and printer sound effects could cause a crash - this has been fixed.
  
• The print preview now takes the scrollbar preferences into acount.
  
• Saving the machine state could potentially cause a crash - this has been solved.
  
• Fixed an issue where "high speed mode" sometimes incorrectly dropped back to regular speed.
  
• The Quicklook preview for saved state documents works again.
  
• The preview of saved state documents can now show horizontal scanlines.
  
• Fixed a Yosemite compatibility issue in the disk transfer application (A2V2).