Features of BitComet 1.02:

- Clean and free, without any adware or spyware. ( Please note: Spybot may misreport "Comet Cursor" )
- Completely new core written in C++, stable and fast, very low CPU usage.
- Multiple simultaneous downloads, ability to select download files in one torrent and set file priority.
- Ability to limit the upload speed as well as download speed.
- Intelligent Connection Optimize, Auto Optimization for different connections, runs well using all default settings.
- Intelligent Rate Control, optimize the upload distribution in order to get the max download rate.
- Intelligent Disk Cache, decrease the potential damage to the hard disk when high-speed downloading (>500KB/s) by decrease the read / write frequency, extra memory usage is the cost.
- Intelligent Disk Allocating, no long-time disk allocation, also decrease the disk fragment to almost zero.
- Intelligent Hash Scan, no time-consuming scanning when seeding / resume.
- Firewall and NAT Traversal, users behind differect NAT can now connect to each other (new in v0.55)
- Compatiable with Windows XP SP2 TCP/IP restriction (new in v0.55)
- Ability to block IP temporarily or permanently, compatiable with eMule ipfilter.dat.
- Ability to chat with other downloaders ( disabled by default )
- Using only one TCP listening port.
- Auto config ICF (Internet Connection Firewall) and ICS (Internet Connection Sharing) in Windows XP
- Auto config port mapping in router (UPnP support is required in router, Windows XP is required).
- Support Multi-tracker, and utf-8 extension, UDP tracker Protocol v2.
- Auto Update Checker.
- Muti-Language supported, support 20 language now
- No need to install, but install/uninstall packages are provided.
- [Please Note]: It is reported that Zone Alarm 5.0 conflict with BitComet (and other p2p maybe).

Changes from BitComet 1.01 to BitComet 1.02 :

- GUI Improved: task category will display "empty" when not set
- GUI Improved: whether to search for mirrors when add new HTTP task can be set as default setting
- GUI Improved: new option for preview window: keep aspect ratio of video
- GUI Improved: new switch button in toolbar of preview window: skip undownloaded range or waiting for buffering
- GUI Improved: BitComet resource browser (CometBrowser.exe) will exit immediately after close all its window
- GUI Improved: removw server mode option in advanced netword settings
- GUI Bugfix: user name and password in HTTP/FTP task properties dialog do not take effect
- Core Improved: Long-Time Seeding can download file boundary data for BT task, where one piece containing multi files
- Core Improved: when select part files of a BT task to download, the file boundary data will be saved in taskname.piece_part.bc!
- Core Improved: enhance virus protect auto-config
- Core Improved: support TCP half-open patch for Windows XP SP3
- Core Improved: FireFox extension support FireFox 3.0
- Core Bugfix: error occurs when connect to certain trackers: "Tracker Reture Zero Length Response"
- Core Bugfix: EVENT_COMPLETE should be sent to tacker only when all files in BT task downloaded, not only selected
- Core Bugfix: HTTP download task do not reconnect server after connection disconnected by server
- Core Bugfix: HTTP download task do not drop invalid data from out-of-date mirror server, lead to redownload after hash check failure