BitComet

What's new in this version:

GUI Improve:
- improve icons in toolbar and download list for HiDPI display
- add settings button in toolbar of torrent list
- new option for DHT torrents: Only show torrents with metadata
- add Feed Name in RSS torrent list
- display number of piece in torrent maker dialog
- display metadata downloading info in Statistics pane
- do not display listen port of peer if unknown for BT peers
- "Preview Download Mode" renamed to "Sequential Download Mode" in context menu of BT task
- add Compact Database command in settings menu of torrent list
- new advanced option: bittorrent.dht_torrent_refresh_interval, 5 sec as default to decrease disk activity time
- new advanced option: system.compact_memory_interval
- display configuration file folder in Global Log pane
- display Long-Term Seeding status in Statistics Pane
- add copy command to context menu of settings list in advanced option page
- improve HiDPI support for Batch download dialog
- new option in Proxy setting page: DNS query using proxy server
- add unit choice for Speed limit in Option dialog
- support add batch-download by drag and drop multiple URL links to floating window or main window
- support add batch-download by clipboard monitor
- new advanced option: bittorrent.hash_check_for_ltseed
- add memory usage details about process heap size and disk write buffer size
- new settings in advanced option page to select IP address to bind to when initiate a connection
- show pending DNS number in Statistics pane

GUI Bugfix:
- the number of torrents in the left channel list is not refreshed in time
- sort bug for first column of Torrent History list
- task summary panel text alignment
- level progress display error when progress is 0% in the lower left corner
- incorrect configuration file folder used in certain case
- UI lag when select all by Ctrl+A in torrent list

Core Improve:
- DHT Tracker use worker thread to reduce the UI lag
- support initiate a connection using preferred network adapter if multiple network adapters exist in system
- support IPv6 connection through SOCKS5 proxy server
- support UTF8 BOM when improve URL list from text file in Batch download dialog
- support extract URL links containing Chinese characters from html page segment dropped to BitComet from web page
- improve memory allocation, decrease memory usage for UDP buffer and log buffer
- optimize UDP packet sending efficiency，default value of network.max_udp_pkt_per_sec changed to 1000 from 500
- avoid program crash caused by IE component damage
- improve Preview download mode for BT task
- reduce memory usage when downloading metadata for DHT torrent list

Core Bugfix:
- the global option "allocation disk space before download" works even when disabled
- empty files should not be created when performs hash-check
- connection error retry issue when download from long-term seed
- fix speed limit deviation
- "Sequential Download Mode" does not work if "Optimize download strategy for preview" disabled in Option dialog