* Migration to support libtorrent 2.0 integration
* Maintained 1.2.x on a separate branch without active maintenance; pull requests are welcome
* SWIG interface files have been modularized for better maintainability and readability
* Added missing alert types
* Introduced typed_bitfield template
* Operator renaming for Java compatibility
* Included boost_system_error_code.i
* Added prepare-macos.sh script
* Updated run-swig.sh script
* Set TORRENT_ABI_VERSION=4
* Boost 1.86.0 upgrade
* OpenSSL 1.1.1t upgrade
* Gradle 8.10.2 upgrade
* Jar built with JDK 11
* Libtorrent updated to RC_2_0 (rev:2ab8fedabb7716947edc77958da6d0b5e1040df9)
* Android NDK r26d (LTS) upgrade (from r25c)
* Added `--swig-only` and `--build-only` options to swig/build scripts
* Added `prepare-macos.sh` script for macOS build setup
* Updated `run-swig.sh` script for improved SWIG processing
* Upgraded SWIG to 4.2.1
* Enhanced exception handling in SWIG interfaces
* Fixed issues in file_storage.hpp and ip_filter.hpp
* Adjusted build flags and macros for Boost and libtorrent compatibility
* Enabled SWIG directors for specific classes
* Ignored deprecated methods in SWIG interface
* Improved documentation and added TODOs
* lt:fix uTP issue where closing the connection could corrupt the payload
* lt:apply DSCP/TOS to sockets before initiating the TCP connection
* lt:assume copy_file_range() exists on linux (unless old glibc)
* lt:fix issue where set_piece_deadline() did not correctly post read_piece_alert
* lt:fix integer overflow in piece picker
* lt:torrent_status::num_pieces counts pieces passed hash check, as documented
* lt:check settings_pack::max_out_request_queue before performance alert
* lt:allow on_unknown_torrent method in the absence of active torrents (new plugin feature added)
* lt:add feature to async_move_storage() to not move files
* lt:fix reject resume data if it contains mismatching info hashes
* lt:fix clear the candidate_cache when clear peer_list
* lt:fix missing python converter for dht::announce_flags_t
* lt:fix issue with web seed connections when they close and re-open
* lt:fallocate() not supported is not a fatal error
* lt:fix proxying of IPv6 connections via IPv4 proxy
* lt:treat CGNAT address range as local IPs
* lt:add stricter checking of piece layers when loading torrents
* lt:add stricter checking of v1 and v2 hashes being consistent
* lt:cache failed DNS lookups as well as successful ones
* lt:add an i2p torrent state to control interactions with clear swarms
* lt:fix i2p SAM protocol parsing of quoted messages
* lt:expose i2p peer destination in peer_info
* lt:fix i2p tracker announces
* lt:fix issue with read_piece() stopping torrent on pieces not yet downloaded
* lt:improve handling of allow_i2p_mixed setting to work for magnet links
* lt:fix web seed request for renamed single-file torrents
* lt:fix issue where web seeds could disappear from resume data
* lt:extend save_resume with additional conditional flags
* lt:fix issue with retrying trackers in tiers > 0
* lt:fix last_upload and last_download resume data fields to use posix time
* lt:improve error messages for no_connect_privileged_ports, by untangle it from the port filter
* lt:fix I2P issue introduced in 2.0.0
* lt:add async tracker status query, post_trackers()
* lt:add async torrent status query, post_status()
* lt:support loading version 2 of resume data format
* lt:fix issue with odd piece sizes
* lt:add async piece availability query, post_piece_availability()
* lt:add async download queue query, post_download_queue()
* lt:add async file_progress query, post_file_progress()
* lt:add async peer_info query, post_peer_info()
* lt:fix uTP streams timing out instead of closing cleanly
* lt:add write_torrent_file_buf() overload for generating .torrent files
* lt:add create_torrent::generate_buf() function to generate into a buffer
* lt:fix copy_file when the file ends with a sparse region
* lt:uTP performance, fix packet loss when sending is stalled
* lt:fix trackers being stuck after session pause/resume
* lt:fix bug in hash_picker with empty files
* lt:uTP performance, prevent premature timeouts/resends
* lt:add option to not memory map files below a certain size
* lt:settings_pack now returns default values when queried for missing settings
* lt:fix copy_file fall-back when SEEK_HOL/SEEK_DATA is not supported
* lt:improve error reporting from file copy and move
* lt:tweak pad file placement to match reference implementation (tail-padding)
* lt:uTP performance, more lenient nagle's algorithm to always allow one outstanding undersized packet
* lt:uTP performance, piggy-back held back undersized packet with ACKs
* lt:uTP performance, don't send redundant deferred ACKs
* lt:support incoming SOCKS5 packets with hostnames as source address, for UDP trackers
* lt:ignore duplicate network interface change notifications on linux
* lt:fix total_want/want accounting when forcing a recheck
* lt:fix merging metadata with magnet links added on top of existing torrents
* lt:add torrent_flag to default all file priorities to dont_download
* lt:fix &so= feature in magnet links
* lt:improve compatibility of SOCKS5 UDP ASSOCIATE
* lt:fix madvise range for flushing cache in mmap_storage
* lt:open files with no_cache set in O_SYNC mode~
* lt:fix issue in use of copy_file_range() on linux
* lt:avoid open-file race in the file_view_pool
* lt:fix issue where stop-when-ready would not close files
* lt:fix issue with duplicate hybrid torrent via separate v1 and v2 magnet links
* lt:added new function to load torrent files, load_torrent_*()
* lt:support sync_file_range() on linux
* lt:fix issue in write_torrent_file() when file size is exactly piece size
* lt:fix file_num_blocks() and file_num_pieces() for empty files
* lt:add new overload to make_magnet_uri()
* lt:add missing protocol version to tracker_reply_alert and tracker_error_alert
* lt:fix privilege issue with SetFileValidData()
* lt:add asynchronous overload of torrent_handle::add_piece()
* lt:default to a single hashing thread, for full checks
* lt:Fix bug when checking files and the first piece is invalid
* lt:fix issue creating a v2 torrent from torrent_info containing an empty file
* lt:make recheck files also update which files use partfile
* lt:add write_through disk_io_write_mode, which flushes pieces to disk immediately
* lt:improve copy file function to preserve sparse regions (when supported)
* lt:add function to truncate over-sized files part of a torrent
* lt:fix directory creation on windows shared folders
* lt:add flag to make add_files() not record file attributes
* lt:deprecate (unused) allow_partial_disk_writes settings
* lt:fix disk-full error reporting in mmap_disk_io
* lt:fixed similar-torrents feature for v2 torrents
* lt:fix potential unbounded recursion in add_completed_job, in disk I/O
* lt:deprecated (unused) volatile_read_cache setting
* lt:fix part files being marked as hidden on window
* lt:on windows, explicitly flush memory mapped files periodically
* lt:fix build with WolfSSL
* lt:fix issue where incoming uTP connections were not accepted over SOCKS5
* lt:fix several issues in handling of checking files of v2 torrents, esp. from magnet links
* lt:make the token limit when parsing metadata from magnet files configurable
* lt:fix issue with stalled pieces on disk full errors
* lt:fix missing python binding for file_progress_flags
* lt:fix torrent_file_with_hashes() to fail when we don't have the piece layers
* lt:restore path character encoding conversion for non UTF-8 locales on linux
* lt:fix use-after-free bug in make_magnet_uri
* lt:add write_torrent_file() to produce a .torrent file from add_torrent_params
* lt:allow loading v2 .torrent files without piece layer
* lt:fix issue with adding v2 torrents with invalid file root hash
* lt:fix piece picker bug causing double-picks with prefer-contiguous enabled
* lt:expose session_params in python bindings
* lt:fix (deprecated) use of add_torrent_params::info_hash
* lt:fix issue creating and loading v2 torrents with empty files. Improves conformance to BEP52 reference implementation
* lt:add new torrent_file_with_hashes() which includes piece layers for creating .torrent files
* lt:add file_prio_alert, posted when file priorities are updated
* lt:fix issue where set_piece_hashes() would not propagate file errors
* lt:add missing python binding for event_t
* lt:add work-around for systems without fseeko() (such as Android)
* lt:add convenience header libtorrent/libtorrent.hpp
* lt:increase default max_allowed_in_request_queue
* lt:fix loading non-ascii filenames on windows with torrent_info constructor (2.0 regression)
* lt:add std::hash<> specialization for info_hash_t
* lt:fix integer overflow in hash_picker and properly restrict max file sizes in torrents
* lt:strengthen SSRF mitigation for web seeds
* lt:add v1() and v2() functions to torrent_info
* lt:fix piece_layers() to work for single-piece files
* lt:fix python binding regression in session constructor flags
* lt:fix unaligned piece requests in mmap_storage
* lt:improve client_data_t ergonomics
* lt:fix issue with concurrent access to part files
* lt:fix attribute in single-file v2 torrent creation
* lt:fix padding for empty files in v2 torrent creation
* lt:add function to ask a file_storage whether it's v2 or not
* lt:fix mtime field when creating single-file v2 torrents
* lt:fix performance regression in checking files
* lt:disable use of SetFileValidData() by default (windows). A new setting allows enabling it
* lt:dropped dependency on iconv
* lt:deprecate set_file_hash() in torrent creator, as it's superceded by v2 torrents
* lt:deprecate mutable access to info_section in torrent_info
* lt:removed deprecated lazy_entry/lazy_bdecode
* lt:stats_alert deprecated
* lt:remove bittyrant choking algorithm
* lt:update userdata in add_torrent_params to be type-safe and add to torrent_handle
* lt:add ip_filter to session_params
* lt:added support for wolfSSL for SHA-1 hash and HTTPS (no Torrents over SSL)
* lt:requires OpenSSL minimum version 1.0.0 with SNI support
* lt:deprecated save_state() and load_state() on session in favour of new
* lt:write_session_params() and read_session_params()
* lt:added support for BitTorrent v2 (see docs/upgrade_to_2.0.html)
* lt:create_torrent() pad_file_limit parameter removed
* lt:create_torrent() merkle- and optimize-alignment flags removed
* lt:merkle_tree removed from add_torrent_params
* lt:announce_entry expose information per v1 and v2 info-hash announces
* lt:deprecated sha1_hash info_hash members on torrent_removed_alert,
* lt:torrent_deleted_alert, torrent_delete_failed_alert and add_torrent_params
* lt:undeprecate error_file_metadata for torrent errors related to its metadata
* lt:remove support for adding a torrent under a UUID (used for previous RSS support)
* lt:remove deprecated feature to add torrents by file:// URL
* lt:remove deprecated feature to download .torrent file from URL
* lt:requires boost >= 1.66 to build
* lt:update networking API to networking TS compatible boost.asio
* lt:overhauled disk I/O subsystem to use memory mapped files (where available)
* lt:libtorrent now requires C++14 to build
* lt:added support for GnuTLS for HTTPS and torrents over SSL
* lt:fix issue where stop-when-ready would not close files
* lt:uTP performance, fix packet loss when sending is stalled
* lt:uTP performance, prevent premature timeouts/resends
* lt:uTP performance, more lenient nagle's algorithm to always allow one outstanding undersized packet
* lt:uTP performance, piggy-back held back undersized packet with ACKs
* lt:uTP performance, don't send redundant deferred ACKs
* lt:fix wanted_done/done accounting when force-rechecking
* lt:expose userdata via torrent_handle (back-port from 2.0)
* lt:fix renaming of filenames that are too long for the filesystem
* lt:made UPnP and LSD code avoid using select_reactor (to work around an issue on windows in boost.asio < 1.80)