心开天籁

some important new features:
A new option to prevent sites using Javascript to block the browser’s context menu.
Mozilla 1.7 size and performance have improved dramatically with this release. When compared to Mozilla 1.6, Mozilla 1.7 Beta is 7% faster at startup, is 8% faster at window open time, has 9% faster pageloading times, and is 5% smaller in binary size.
A long-standing bug with CSS backgrounds on table elements has been fixed, including support for columns and proper layering (standards mode only).