Tixati 2.58

* new incomplete file name formatting feature in Settings > Transfers > Files
* new automatic file selection feature that only downloads larger file(s) in a torrent
* switched local file system to an asynchronous API, greatly improving performance
* all local file system functions are now merge-aware and correctly detect symlinks/shortcuts and alternate paths
* major improvements to moving and renaming local files, including better prompting for conflicts
* moving a folder's location will also move any internal files that have a custom location within the outer location
* new option for Move on Complete to always work at the individual file level in Settings > Transfers > Files
* major improvements to the transfer pre-load prompt
* completely redesigned piece prioritization, checking, verification, and repair routines
* hashing functions now make use of extra CPU cores
* all config files are now compiled and saved asynchronously, eliminating occasional pauses when large .dat files are written
* individual file completion shell commands can now be prepended with xfer@ to delay them until the entire transfer completes
* several improvements to the sequencing of initial file checks and scans, duplicate checking, and category capture
* improved event log rendering performance and raised maximum backscroll size to 50,000 lines
* updated IP location tables
* fixed problems with internal HTTP universal client, improving tracker and RSS connection reliability
* fixed problems with tracker merging
* fixed problems when saving multiple .torrent files
* several DHT performance improvements and remote query rate-limiting adjustments
* numerous other minor GUI fixes and improvements

- fixed problems with UDP-only / TCP-only outgoing connection mode not being strictly enforced.
- ordered priority can now be overridden by high and ultra-high priorities.
- fixed crash when trackers match IP Filter.
- fixed crash under rare conditions when files are renamed.
- eliminated premature directory creation from preload window.
- fixed packaging problems with .deb installers.
- a few other minor GUI layout adjustments.

- Can now add multiple magnet links from the Add window
- Fixed problems copying multiple magnet links from transfers window
- Added support for ws attribute when parsing magnet links
- Added support for webseed placeholder when generating magnet links
- Added option to watch a directory for .desktop and .url files in addition to .torrent files
- in Settings>Transfers>Meta-Info added option to auto-delete torrent file when manually loading from specific directory
- File completion shell commands support additional placeholders $path $basepath $name $ext
- Multiple file completion shell commands for same extension/type now supported
- File handles are kept closed for a 6 second window after completion if using file completion shell commands
- File completion shell commands will execute even if transfer is immediately stopped by ratio/seed limit
- Other minor fixes to prevent file completion shell commands from running when checking or moving
- Prevent file name conflicts when saving multiple .torrent files from transfer view
- The incomplete piece / dnd file crust cache file purging system has been completely re-engineered and should use much less filesystem resources
- Several fixes to the file checking system to prevent excessive hash-checking of partial downloads upon session startup and moves
- The main internal procedure scheduler has been completely replaced with a much better system that provides complex prioritization control
- Extensive improvements to the win32 message loop idle bypass system and timer system
- The connection pacer has been completely replaced with a more reliable and much more performant system
- The internal precision timer component has been replaced with a more granular system that helps avoid processing holdups and backlogs
- Numerous performance optimizations in peer connections and peer management
- Several important performance optimizations in transfer local file handling routines
- More graceful error handling when too many files are open
- Time limits for transfer local file open-lingering have been lowered to reduce average open handle count
- Fixed problems with merging trackers that would cause groups to be erroneously merged
- Added advanced individual tracker option "xfer_peerid:" that will change peer-id of transfers containing matching trackers
- Added advanced individual tracker option "xfer_created_by:" that changes the "created by" field in saved .torrent files
- Directly embedded tracker URL peerid/headers/cookie flags will have priority over settings in tracker individual options
- Improved UDP tracker connection key caching
- Overhaul of internal traffic counting system, now also includes headers, DHT and HTTP from RSS, trackers, etc.
- Updated WebUI to support ordered priority
- Other minor WebUI fixes, including file sort order
- Fixed problems with upload ratio calculation for locally-sourced seeds
- Fixed minor bugs in incoming connection handling when set to single protocol mode
- Peer-id randomization every 6-36 hours (synced to local IP change if possible)
- Deselecting all files in preload dialog will no longer trigger category capture
- Fixed minor display updating problems when switching transfers between categories
- Fixed minor clipboard text line-ending problems in Windows build
- Raised text length limits in Windows multi-line text entry controls
- Fixed minor logging problems in transfer objects
- Partial custom peer IDs entered from Options property tab will be internally padded with characters from full 1-255 range
- Improved file diagnostic logging
- Fixed problems with peer ignore causing crash under certain rare conditions
- IP-location tables updated
- Many other minor performance optimizations throughout the program

- Fixed: Imdb "Object reference not set to an instance of an object" error fixed.
- Fixed: Kickass "Sequence contains no matching element" error fixed.
- Fixed: Kickass and Piratebay urls changed.

* Custom peer IDs from individual tracker options are now properly URL-decoded.
* Trackers now always use last announced peer ID unless announcing status=started.
* Fixed a few additional GUI problems related to windows tree view controls, including sort highlight position.
* When renaming file, extension is excluded from initial text selection.
* A few other minor corrections to the GUI layout.
* Updated internal IP location database.

# Bug-fixes and Improvements:
- category capture can now also compare file names and tracker URLs
- .url and .desktop files that contain magnet links are now also processed in folders that are being watched for .torrent files
- fixed HTTP "server overflow" error when processing chunked encoding with zero-length initial segment
- transfer preload window is no longer blocked by the presence of other modal dialogs
- web UI can now optionally be run without a login
- some improvements to the way RSS feed link refresh and item download errors are displayed
- RSS feed link error status and retry counts now persist between sessions
- fixed RSS feed item URL formatting problem when sourced from feed links with custom headers or cookies
- time span display formatting tweaks
- GUI tabbed views in Transfers and RSS will remember last tab between sessions
- locations chosen when moving individual files within a transfer will now also be added to the recently-used list
- check for missing download folder or missing incomplete piece folder will tolerate transient errors for up to 10 seconds
- improvements to the Windows system shutdown config-saving process
- config file saving sequence on program close has been slightly altered for more overally reliability
- preload window option "Apply to All" now also applies trackers and category selection
- fixed problems with using "Updated" torrents that overwrite files, force-check now overrides all errors when file is too small
- seeding problems due to interaction of super-seeding algorithm with upload_only protocol extension have been solved
- super-seeding will announce upload_only when no more useful pieces are available to upload
- auto-shutdown will now wait for all moving/allocating activity plus a small additional delay to make sure all operations are complete
- added some work-arounds for some extremely rare Windows bugs that cause a disabled main window
- fixed a rare crash upon startup involving transfers that are in an indeterminant state when closing program
- several minor fixes and tweaks to the Windows pop-up menu widgets, now using dynamically-created popups
- minor URL formatting fixes affecting trackers that use username:password@ format in URL
- minor tweaks to startup window positioning code on Windows platforms

* Includes a few important fixes to prevent a crash under heavy file-checking activity, as well as a few minor tweaks to the peer connection management algorithms.

- several new tabs have been added to the category properties window
- categories can auto-capture transfers that match a user-configured title filter, upon transfer loading and/or completion
- categories can each watch their own file system folder for .torrent files to load
- categories have individual settings to save .torrent or magnet link upon transfer loading and/or completion
- file-checking routines re-worked to be much more CPU friendly and more efficient, especially with large pieces
- added two new pages in Settings > Transfers, one for magnet links, another for file locations
- option to save .torrent or magnet link upon transfer completion
- option in Settings > Transfers > Files to run shell command(s) upon completion of transfer, file, or specific file extension
- new optional column in transfer view, "Last Activity", records the time of last block upload or download
- Add Transfer and Preload windows now display free disk space on location tooltips
- when program starts up, peer connections will wait for any pending IP filter refresh/reload operations to complete
- new checks to make sure popup windows do not show offscreen, even with previously-visible saved positions
- fixed URL parsing to work better with username:password@ after protocol and before address section
- when binding a local network interface, check for interface changes is done more often, every 10-15s, down from 30s
- new workarounds for tray icon problems in some Linux distros
- eliminated problems with incomplete piece storage between sessions
- new transfer tracker adjustment now also applies to created transfers
- better system shutdown handling in the Windows build
- improved GUI input-focus processing in Windows systems
- eliminated a minor category-jump (which would cause selection loss) when new downloads start up
- adding a peer manually can now change the port of an existing offline peer with the same address
- fixed some display issues in the 'Tree View' transfer layout
- updated IP-location tables

# Important improvements and fixes:
- magnet links for extremely large torrents can now be resolved much more quickly
- greatly improved meta-data poison block detection and recovery
- meta-data gathering block-selection algorithms have been completely redesigned
- meta-data block status is now displayed in details tab while gathering from peers
- updated bEncode parser to handle strings up to 67MB long, allowing extremely large .torrent files to be loaded
- transfer or file force-checking can now override the "Existing file with incorrect size" error when file is too small
- several fixes for SOCKS4/5 proxy connections, now fully compatible with TOR and SSH tunnels
- IP Filter blocklist parsing supports additional formats (see IP Filter Format support page)
- minimum IP Filter refresh time reduced to 3 hours
- fixed tree/list view sort ordering of names containing numbers on Windows systems
- local address settings on Network > Connections page now also accept interface names
- local address settings have a browse button for quickly selecting any local IP or interface
- fixed an extremely rare crash caused by a specific UPNP failure condition
- fixed a minor thread-pool desyncronization issue that was delaying DNS lookups under certain conditions
- treeviews and listviews on Windows systems have had numerous minor performance improvements
- fixed a problem preventing incoming connection reception when set to 'Encrypted Only'
- minor tweaks to event logging throughout the program
- new diagnostic stress-test available in the help menu
- updated IP address location tables

- scheduler time-zone conversion and localization system was re-written completely, including GUI logic
- fixed rare crash caused by an interlock/race condition when using the peer ignore feature
- some minor adjustments to file path handling in portable mode
- added an ignore button to the incoming port error dialog
- fixed extremely rare crash triggered by tracker encountering a specific remote error upon program shutdown
- tightened some rate-limits in the UDP hole punching system
- a few other minor bug fixes in the incoming connection handlers

# Fixes:
- seed queue management now takes into account bandwidth priority settings (adjustable in advanced settings)
- further adjustments to outgoing block request pipelining
- file name character encoding problems fixed
- fixed minor problems with IPv6 holepunching and PEX peer exchange
- fixed a crash upon certain HTTP/DNS errors when retrieving .torrent files from RSS feeds
- problem with WebUI not showing event logs has been fixed
- WebUI now loads template files correctly
- slightly increased DHT search pacing and fine-tuned request timeouts

# Changes:
- a problem with setting file/protocol associations in Windows has been fixed
- customized transfer sub-folder names are now being saved properly between sessions
- some further performance tuning in the UDP Peer Connection driver
- fixed minor problems with DHT search outgoing message prioritization
- updated IP-Country translation tables

# Changes:
- random-port feature with adjustable interval
- NAT-PMP port-mapping support in parallel with UPNP
- greatly improved UPNP compatibility
- all HTTPS connections (trackers/RSS/etc) support Server Name Indication (SNI)
- WebUI now has full HTTPS capabilities, generates self-signed certs
- torrent file loading compatibility improvements (work-around broken encodings in .torrent files)
- raised incoming block request queue declared ("reqq") limit to 256, raised actual limit to 512
- outgoing block request pipelining algorithms are greatly improved
- numerous improvements to automatic upload/download queue slot management
- channel stream hash-checking has a few important fixes to better cope with naturally zerod-out sections in streams
- several minor fixes to channel information propagation, and channel topic change logic
- new HTTP framework and core logic for trackers, RSS, IPFilter downloader, .torrent downloader, web seed client
- new incoming port manager and configuration GUI
- bandwidth throttle has been fully replaced, including all core proportioning logic
- new UDP Peer Connection protocol driver (used by transfer peers and channel connections)
- Linux versions now leave a crash-dump on desktop if there is a SIGSEGV, SIGABRT, SIGFPE, SIGILL, SIGINT, or SIGQUIT
- process time-scheduler and runtime profiler have been upgraded
- completely new event-logging engine that uses much less memory to hold backscroll buffers
- a completely new filesystem driver, which offers improved performance when saving/loading any data to/from files
- new DNS resolver
- new low-level TCP/UDP event-driving and notification systems
- all tracker code, including UDP tracking, has been fully re-implemented
- outgoing connection pacing engine is new (regulation of simultaneous outgoing connections, eg. "Waiting to connect")
- all core shell-integration features are now relying on the new framework
- peer connection attempt sequencing and timing logic (udp/tcp/enc/plain) is now much more accurate
- new ICMP driver for auto-throttle (ping/traceroute)
- major revisions to auto-throttle trace/ping failure handling logic
- several other minor GUI fixes and improvements

- Fixes some compatibility problems with older Windows XP pre-SP2 systems and IPv6.