DROID X OTA Update 4.5.621

Droid X users, Motorola and Verizon haven't forgotten about you; not completely, at least. You may not be getting Ice Cream Sandwich (officially, anyway), but Big Red is pushing one hell of a bug-fix update to your device right now.
The OTA update brings fixes to a whole slew of issues that DX users have been dealing with for far too long:
Over the Air Updates

• Prevents lockups or resets after the Over the Air (OTA) update.
• OTA update notice screen displays the correct estimated update time.

Device Features

• Improved browser security with the Google Security Patch from Android 2.3.6.
• Fixed issue where the device may power ON without user interaction.
• Resolved possible device resets while playing music.
• Adjusted camera settings will be saved, even after the device is powered down.
• Reduced Out of Memory errors.
• WAV files can be played from Visual Voice Mail.
• Device is enabled with the Wireless Alerting System.
• Improved stability of Music Player reduces resets.
• Shortcuts to applications remain on the device even after applications are moved to the SD card.

Email, Messaging, & Data

• Improved connectivity with 3G Mobile Hotspot data connectivity.
• Addressed error that replicated thumbnails in message threads.
• Corrected errors where Yahoo! mail notifications were not displayed properly.
• Reduced duplicate message errors.
• Improved ability to access and receive Gmail when the Mobile Hotspot is turned on.
• Sorted contact groups.
• Device recognizes Multimedia ringtones after purchase.

Accessories

• Button background lighting turns off while in the desktop cradle.