Mozilla Firefox 4.0 Beta 1

Here are some of the changes and improvements in Firefox 4.0 beta 1:

# Tabs are now on top by default

# Menu bar has been replaced by Firefox button (Vista & Windows 7 only)

# Search for and switch to already open tabs in Smart Location Bar

# New Addons Manager and extension management

# The stop and reload buttons have been merged into a single button

# The bookmarks Toolbar has been replaced with a bookmarks button

# Crash protection when there is a crash in Adobe Flash, Apple Quicktime or Microsoft Silverlight plugins