Industry insiders suggest that is a "bridge build." Cadlia is reportedly rebuilding the kernel in 64-bit, but they used the 519 update to buy time and stabilize the current user base.
"The mouse scroll wheel zooms too fast." Fix: This is a known bug in 519 New. You cannot fix it in software. You must lower your mouse's DPI to 800 or use a Logitech mouse with "Smooth Scrolling" disabled. jewelcad 519 new
If you are looking for a of JewelCAD 519 New —stop. The cracked versions lack the updated ACIS kernel and will crash on Boolean operations. The legitimate "New" build is about stability, and in jewelry design, stability is profit. Industry insiders suggest that is a "bridge build