This is list of changes for each release of WinSCP. See also project history.

• It is not possible to cancel master password prompt anymore, when saving session with passwords.
• Slash added to names of directories in search results to distinguish them from files.
• Keyboard shortcut for finding files changed to F3 in Explorer interface.
• Bug fix: When master password changing was canceled, message informing about successful change appeared anyway.
• Bug fix: No help was associated with Security tab of Preferences dialog.
• Bug fix: Passwords in default session settings were not re-encrypted when master password was changed.
• Bug fix: Empty session password were in rare situation encrypted using master password, what caused seemingly useless prompts for master passwords.
• Bug fix: WinSCP did not offer to unset read-only flag when overwritting local files anymore.
• Bug fix: Error when downloading remote files from root directory into temporary local directory. 502
• Bug fix: Failure when retrying connect attempt after host is not resolved. 503
• Bug fix: Incorrect calculation of DST start/end date. 504
• Bug fix: Session data on Login dialog were overwritten when locale is changed. 508
• Bug fix: Error when moving local directory to remote side. 509
• Bug fix: Help for put scripting command incorrectly claimed that -append switch is valid for FTP protocol only.

• File search. 92
• Stored session passwords can be encrypted by AES cipher using master password. 273
• Path relative to startup directory can be used in initial session local directory. 492
• Up to 255 characters long SFTP server commands are allowed. 495
• Value off of reconnecttime script option is case-insensitive. 491
• SFTP status code is not logged as status/error code anymore. 484
• While downloading trailing dot in filenames is replaced with %2E, as Windows trim them. 452
• WinSCP can load plain text tunnel password from configuration (new attribute TunnelPasswordPlain). If possible, it automatically converts the password to encrypted form. 497
• SSH core upgraded to the latest development snapshot of PuTTY (2008-09-27, revision 8665). It brings following changes:
  • Bug fix: Minor memory leaks.
• Bug fix: Uploads of large files with FTP were restarting. 157
• Bug fix: Error when opening separate shell session. 477
• Bug fix: Backslash in remote path broke path label. 482
• Bug fix: Using passive mode was suggested when connection fails even when used already. 485
• Bug fix: Operation hanged for a while when transfer of file was skipped with FTP protocol. 486
• Bug fix: Operation hanged occasionally when both control and transfer connection were closed at the same time with FTP protocol. 487
• Bug fix: Quote escaping did not work with console interface tool. 494
• Bug fix: Ctrl+C in console windows occasionally interrupted more than one prompt.
• Bug fix: Failed connection in script closed last active session simultaneously.
• Bug fix: It was not possible to copy remote files using drag&drop within remote panel with FTP protocol.
• Bug fix: Problem minimizing progress windows while performing operation executed from command-line. 475
• Bug fix: WinSCP hanged on some systems, when remote file with name reserved on Windows appeared in directory listing. 152
• Bug fix: Backslash was inserted to remote path when running custom command from synchronization checklist dialog. 498

• Configurable keyboard shortcuts for custom commands and shared bookmarks. 103
• FTP proxy support. 27
• FTPS server certificate is shown on Server and protocol information dialog. 438
• Existing remote file can be opened in editor by typing its name. 366
• Workaround for Momentum server limit of 32 KiB for reading/writing. 440
• Added missing descriptions of certificate, implicit, explicitssl and explicittls switches for command-line and scripting.
• Empty SSH keyboard interactive prompts are ignored. 388
• 256×256 icon is deployed with WinSCP. 445
• WinSCP prevents computer from being suspended during operation. 265
• It can be configured how long WinSCP should keep trying reconnect broken sessions. 460
• Change: Double double-quote is treated as a single double-quote within value of command-line parameter. 454
• For FTP servers know not to support LIST -a command (Personal FTP server), LIST only is used by default. 458
• Errors when deleting local files after upload finishes are reported. 462
• Pressing Enter, while having selected an open session without hostname, loads the session. 463
• Session name can be optionally used as part of the path to temporary copies of remote files. 385
• Remote path may optionally not be used as part of the path to temporary copies of remote files. 229
• Option for substituting FTP passive mode IP address with connection address. 376
• Change: Once dot-only filenames are obscured from Windows, all security checks which hide dot-only filenames from user are removed. 452
• Bug fix: Overwrite confirmations were shown even when target file did not exist when uploading with SFTP protocol. 442
• Bug fix: Mask hints label on transfer settings dialogs was improperly placed when localized.
• Bug fix: Failure when closing session while having log window opened and custom commands toolbar displayed. 441
• Bug fix: Passive FTP transfers with IPv6 did not work. 446
• Bug fix: Ctrl+R in the internal editor opened Replace dialog instead of reloading current document. 444
• Bug fix: Meaning of UTF-8 encoding for filenames option was reversed for FTP. 450
• Bug fix: Skipped files are shown in progress list on console. 451
• Bug fix: Values were overlapped on progress window when Calculate total size transfer settings was disabled. 456
• Bug fix: “There is no disk in drive” message was sometimes shown on startup. 19
• Bug fix: Failure when configuration was changed, while file from closed internal editor was still being uploaded. 461
• Bug fix: Failure when file was opened in editor while still being uploaded after closing editor. 465
• Bug fix: Transfer progress was not shown on console when moving files to local directory. 443
• Bug fix: Error when uploading empty folder that already existed on the server with FTP. 466
• Bug fix: Failure when FTP data connection was lost. 467
• Bug fix: Memory leak in drag&drop shell extension. 471
• Bug fix: Failure when installing on Windows 2000. 447
• Bug fix: OpenCandy DLL was installed even if user chose not to use it. 455
• Bug fix: Icon was not displayed properly on Windows 2000. 473
• Bug fix: Timeout may occurred earlier that configured with FTP. 472

• New icon by Jonathan Heathcote
• OpenCandy advertising network is used in installation application.
• Each selected file/directory can be optionally added individually to background transfer queue. 97
• It is possible to schedule computer shutdown at the end of operation or once the background transfer queue is empty. 292
• New switches -append and -resume to scripting commands put and get to append file/resume transfer respectively. 298
• Added switch /certificate to command-line and open script command to automatically accept SSL certificate with given fingerprint. 430
• Change: SSH host key or SSL/TLS certificate can no longer be automatically verified using scripting batch mode. 411
• When renaming a file within file panel, whole filename (including an extension) can be optionally selected again. 255
• In Commander interface the directory tree can be optionally shown left of file list. 5
• Broken idle sessions are optionally automatically reconnected. 30
• Local custom commands that work both with remote and local file (diff-style) can be executed from synchronization checklist for pairs of files. 54
• SSH core upgraded to the latest development snapshot of PuTTY (2008-04-26, revision 8519). It brings following changes:
  • Empty SSH keyboard interactive prompts are ignored. 388
• SSL core upgraded to OpenSSL 0.9.8k.
• FTPS session can be opened from script explicitly. 396
• It is possible to turn off both modification time and file size comparison criteria, synchronizing thus only by file existence. 368
• List of parameters can be passed to script using /parameter command-line parameter. The parameters are resolved in the script using %N% pattern. 197
• For synchronization, when comparison by modification time is disabled, it is possible to turn off preserving of timestamp. 368
• Empty password can be specified explicitly on command-line and in script to allow password-less authentication with FTP. 428
• Speed limit can be set as part of transfer settings. 302
• It can be configured how long script should keep trying reconnect broken sessions. 367
• On download names of files reserved in Windows (such as NUL) are appended with %00 to allow saving them. 58
• Appending to log file with XML format is disallowed.
• Dialogs are showed on-screen even if center of the main window is off-screen. 360
• Changed usage to discourage specification of session on command-line for console use.
• Console interface tool usage shows only command-line parameters relevant for console use.
• Limited number of HTTP redirects when checking for updates.
• When opening connection in FTP active mode fails, using passive mode is suggested.
• Workaround for Windows 7 incompatibility, preventing loading translation plugins. 423
• For compatibility with Fedora 11, dot (.) after permissions in directory listing is ignored 436
• Transfer settings controls reorganized so that Clear ‘Archive’ attribute fits to Upload options. 108
• In Mirror synchronization mode it is possible to turn off comparison by modification time.
• It is not possible to change XML log file name in middle of session. 393
• Bug fix: Failure when downloading file from non-current directory with FTPS protocol. 390
• Bug fix: Edit With dialog had wrong layout.
• Bug fix: Overwriting new or updated files only was not working with SFTP when overwrite confirmations were disabled. 408
• Bug fix: Occasional failure when closing commander window. 419
• Bug fix: Local shortcuts were not followed. 420
• Bug fix: Commander tab of Preferences dialog did not have help screen associated.
• Bug fix: Selection did not follow focus after reloading of directory. 432
• Bug fix: Stray empty line was printed on console on failed connections.
• See also change list for 4.1.9.

• Bug fix: It was not possible to open Preferences dialog. 381
• Bug fix: Error message was appearing during installation. 382

• FTPS (FTP over TLS/SSL) support using OpenSSL 0.9.8j. 36
• It is possible to change group/owner of a remote file by UID/GID. 333
• XML logging for more formal and machine-readable representation of operations performed during the session. 95
• Filter for file panel. 56
• New set of bookmarks/location profiles that is shared among all sessions. 284
• Timestamps of uploaded files are preserved with FTP. 293
• SSH core upgraded to the latest development snapshot of PuTTY (2008-02-23, revision 8461). It brings following changes:
  • Improved flow control with SSH-2, what improved transfer speed, particularly for downloads. 17 flow-control flow-control-filexfer
  • Support for SSH-2 RSA key exchange. ssh2-rsa-kex
  • Improved robustness when dealing with servers that does not respect WinSCP window size. ssh2-window-overrun
  • Improved robustness when dealing with servers that does not respect WinSCP packet size limit (e.g. GlobalSCAPE). 314 ssh2-bug-maxpkt
  • Switched to PuTTY’s own implementation of Kerberos/GSSAPI. It brings following changes: kerberos-gssapi
    • GSS key exchange algorithms are no longer supported.
    • Session option Service principal name is no longer supported.
  • Bug fix: WinSCP tried password authentication with SSH-1 even if the server says not to. ssh1-no-password
  • Bug fix: In CBC modes, decrypting the packet length could leak information. ssh2-cbc-pktlen-weakness
• When checking for updates, beta versions are by default not reported.
• Any file mask can include exclude masks (separated by pipe). 328
• Position of internal editor window is remembered. 317
• It is possible to synchronize remote files with name that is not allowed on Windows. 31
• Console window of .exe can be minimized to task bar status area. 243
• For external editors, WinSCP no longer waits for editor process to be closed by default. It keeps edited remote file in temporary directory until WinSCP closes instead. Previous behavior can be forced using editor preference option External editor opens each file in separate window (process). 334
• In editor preferences list, editing certain files with an associated application can be configured. 283
• It is possible to edit files in ad hoc selected editor. 291
• Using of switch -a with FTP LIST command is configurable. 275
• For messages without associated help page, WinSCP can initiate search of whole documentation site.
• File mask hint shows file size mask syntax.
• Number of not shown hidden files is indicated on status bar.
• Expanding/collapsing capability of create directory dialog removed.
• Bug fix: File externally hidden was not removed from file panel.
• Improvements and fixes back-propagated to 4.1.9 hotfix release.

• Back-propagates some improvements and fixes from 4.2 beta release:
  • Workaround for problem with Tectia SFTP server corrupting remote file if resumed transfer fails again. 351
  • Errors while keeping session alive with FTP protocol are ignored.
  • Bug fix: When synchronizing timestamps of local files, update of non-existing local files was offered. 346
  • Bug fix: When name of destination remote file was changed on overwrite confirmation dialog, timestamps and permissions were yet set on the original filename (SFTP only).
  • Bug fix: Change of name of destination remote file on overwrite confirmation dialog was not reflected properly for resumable file transfers (SFTP only).
  • Bug fix: Failure during dummy listing of remote directory with FTP as form of keepalive, while error message of failed regular directory listing was shown.
  • Bug fix: Failure after closing internal editor. 349
  • Bug fix: Infinite loop when FTP directory listing with -a switch fails. 352
  • Bug fix: Paste in an internal editor could not be undone. 354
  • Bug fix: Script switch -preservetime did not work. 361
  • Bug fix: Repetitive prompts for adding bookmark when switching between “bookmark” and “location profile” mode.
  • Bug fix: Suspending background transfer was not working with FTP. 341
  • Bug fix: Occasional failure when showing main window. 369
  • Bug fix: Status bar on log file window always indicated no log file. 370
  • Bug fix: Just leaved directory was not focused in file panel when paths as reported by remote server ended with slash. 371
  • Bug fix: Opening session in PuTTY was not working for ad-hoc sessions. 372
  • Bug fix: Incorrectly URL-encoded character in session specification may caused the session to be silently ignored. 373
  • Bug fix: Failure of authentication was not shown on authentication dialog with FTP protocol.
  • Bug fix: Directories with no transferred files were not created on upload with FTP. 137
• Back-propagates some improvements and fixes from upcoming 4.2.2 release:
  • Improved logging of FTP protocol events and errors.
  • Password for tunnel session is also remembered for background transfers. 400
  • Timestamps of local and remote file are compared with respect to their precision when transferring updated files only. 409
  • Bug fix: File selection was broken after sorting on Windows Vista. 383
  • Bug fix: Main window stopped responding if directory listing with SFTP started with file with suspicious name. 384
  • Bug fix: No overwrite confirmation when dropping local files to local panel of Commander interface. 387
  • Bug fix: Local and remote panels were inconsistently sorted by extension. 389
  • Bug fix: The Update subdirectories checkbox of Keep remote directory up to date did not apply to synchronization on start. 395
  • Bug fix: When changing directory with FTP failed due to new remote path being different to requested one, respective error message missed to report a cause. 398
  • Bug fix: Remembered password of main session was in some cases reused to authenticate tunnel session for background transfers. 400
  • Bug fix: Blank lines of command output were not shown in console window. 402
  • Bug fix: Button-like controls disappeared when accelerators were about to be shown on Windows Vista. 329
  • Bug fix: Last modification date was not shown in local file panel with some rare system date/time formats. 406
  • Bug fix: Transfer to temporary file was disabled when transferring file to/from editor. 407
  • Bug fix: Overwrite confirmation prompt was showing timestamps not adjusted for DST with FTP. 412
  • Bug fix: Failure while uploading file when timestamp of remote file was not retrieved with FTP protocol. 413
  • Bug fix: WinSCP hanged when FTP connection was closed while waiting for reply to keepalive. 414
  • Bug fix: FTP command scheduled for execution just before connection is closed was executed out of the order after reconnect. 415

• Expanding/collapsing capability of message boxes removed.
• Bug fix: Icon on Properties dialog is shrunk to fit, if shell icon size is too large. 323
• Bug fix: Dragging of item in editor list was not correctly stopped.
• Bug fix: Error when moving current remote directory to different location (e.g. by dragging tree node). 330
• Bug fix: Duplicating session in new window was not working. 332
• Bug fix: Color of file panel border was not updated in some cases.
• Bug fix: Error on startup when initial local directory as reported by Windows starts with lowercase drive letter. 319
• Bug fix: Size of externally removed local files was not detracted from total file size shown on status bar.
• Bug fix: File statistics on status bar was not updated with automatic update of local file panel on external change.
• Bug fix: Controls on some dialogs (e.g. editor preferences dialog) were occasionally corrupted. 336

Older versions