v0.16.0 - Security feature

• #251 by @drakkan - Allowing to make sure the control and data connection are issued from the same source IP address

v0.15.0

• #247 by @drakkan - Notify of a transfer error if data connection cannot be opened
• #248 by @mmcgeefeedo Add data channel (active/passive) information to the ClientContext interface
• #249 - Switching to fclairamb/go-log to provide a common logging API

v0.14.0 - Custom error codes

• #243 Custom error codes by @drakkan & @FunnyGamer
• (#242 coverage improvement by @drakkan)

v0.13.2 - Fixes

Two fixes:

• #327 by @ottodashadow - We cannot CD to a file anymore
• #328 by @ottodashadow - MLSD and MLST are now returning UTC dates

v0.13.1 - PASV parsing fix

• #236 by @drakkan - PASV parsing fix

v0.13.0 - Client certificate authentication

• #232 - Client certificate authentication

v0.12.0 - @drakkan's release

All of these PRs were handled by @drakkan :

• #206 (#207, #208, #209) - ABOR support
• #211 - Fix: Deal with temporary accept errors
• #212 - FEAT updates
• #213 - Fix: Always close the file we are hashing
• #214 - Adding ASCII transfer support
• #215 - Fix: DoS memory exhaustion issue on a never-ending line

v0.11.0 - Fixes and features

Various updates:

• #195 - Bugfix around STAT response code (by @drakkan)
• #196 - Added support for hash commands (by @drakkan)
• #197 - Exposing last received FTP command (by @drakkan)
• #199 - Bugfix around MFMT command
• #198 - Added AVLB command to provide the available space (by @drakkan)
• #202 - Bugfix around STOR command in case of error
• #203 - Added COMB command to combine files into one (by @drakkan)
• #204 - Allowing to disable SYST and STAT commands (by @drakkan)
• #205 - Added SITE MKDIR and SITE RMDIR commands

v0.10.0

Various updates but nothing major.

• #186 - LIST arguments by @drakkan
• #189 - EPRT support (which brings full IPv6 support with EPSV) by @Kleissner
• #190 - Implicit TLS support by @drakkan
• #191 - Command alias for directory handling by @drakkan
• #193 - Afero v1.5 upgrade

v0.9.0 - Mostly fixes

• #155 - Adding support for different interfaces than the afero ones to better fit the needs of sftpgo
• #157, #158, #160, #161 - Various bug fixes by @drakkan
• #178 - Fixing TLS handing for active connections
• #154 - Adding optional symbolic link support
• #169 - Allowing to require TLS
• (updated afero API)