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

• Support DER encoded binary certificates. 1388
• Correcting DST adjustments of FTP timestamps by IIS FTP server. 1380
• Dual code signing binaries with both SHA-1 and SHA-256.
• Improvements to code/script generation:
  • Warning when a server hostkey is not known when generating a code.
  • Not including the /console switch in a generated command-line.
  • Separate display for an executable path, when generating a command-line.
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• Using actual system language name on About dialog if the name is not provided by a (uncomplete) translation.
• Closing application when Login dialog opened after handling URL with “save” extension is canceled.
• Change: Deprecating Session.IniFilePath in favor of Session.AddRawConfiguration.
• Prolonging countdown only after mouse moves substantially over message box with “timeout” button. 1386
• More user-friendly error message when a wrong passphrase is used for a client certificate.
• When a passphrase for a client certificate is not provided, the authentication continues.
• Bug fix: When opening ssh:// URL in PuTTY or handling URL with a save extension, a main window was opened.
• Bug fix: Missing help link for Internal Editor page of Preferences dialog.
• Bug fix: Alt+D and Ctrl+L keyboard shortcuts on Commander interface in Location profiles bookmark mode do not focus the Local directory box, when a local panel has focus.
• Bug fix: Script and .NET assembly code tabs were not hidden on Generate file URL dialog.
• Bug fix: Timeout when uploading to FTP over TLS and proxy when the FTP server responds with 1xy before proxy connection is processed. 1381
• Bug fix: Failure when displaying hint on color menu. 1382
• Bug fix: Failure when transferring files from command-line. 1383
• Bug fix: Failure on exit.
• Bug fix: Wrong background color of some progress windows parts when system themes are disabled. 1384
• Bug fix: Failure when displaying hint on floating toolbar. 1385
• Bug fix: Failure when connecting using FTP with empty password. 1387
• Bug fix: Too long automatic bug reports were rejected.
• Bug fix: Failure when reading a private key from a .pem file fails.
• Bug fix: An open scripting command for FTP session with encrypted client certificate without passphrase but with password is silently ignored.
• Bug fix: Assertions in Pascal code were present in release binaries.

• Authentication with TLS/SSL client certificates. 921
• Redesigned Progress and Synchronization progress windows.
• WebDAV file locking. 1315
• Opening the initial Login dialog over the main window.
• Automatic updates (for donors only).
• Updates are checked over an encrypted HTTPS connection.
• Showing tips on using the application.
• Improvements and fixes for large font/high DPI environments:
  • Toolbar, menu and dialog images for 125%, 150% and 200% zooms (120, 144, and 192 DPI respectively). 1302
  • Scaling toolbar drop downs.
  • Scaling menu and toolbar details (submenu arrows, drop down arrows, drag handles, checkmarks, radio-button marks, color palettes).
  • Scaling status bars on Synchronization checklist and Find windows.
  • Scaling drop down button arrows.
  • Correctly scaling file icon on Properties dialog.
  • Scaling application icon on About dialog.
  • Scaling images in installer.
  • New application icon sizes.
  • New installer icon sizes.
  • New desktop icon sizes for site, site folder and workspace.
  • New Console, Editor, Log, Find and Synchronization checklist windows icon sizes.
  • Scaling icon overlays.
  • Own scaled icons for message boxes.
  • Using scalable system window resize grip.
  • Preventing system from scaling windows when moving them between displays with a different DPI.
  • Scaling Synchronization checklist action column.
  • Scaling menu lists.
  • Scaling hint window.
  • Scaling Up/Down buttons width on numerical inputs.
• SSH core upgraded to PuTTY 0.66.
• Improved transfer speed:
  • with SFTP and SCP protocols when CPU is limiting factor.
  • with SFTP on high latency connections. 1295
• Improvements to scripting, command-line and .NET assembly:
  • Change: Script file has to be in UTF-8 encoding.
  • Command-line interface for converting and editing private keys. 1331
  • Script or .NET assembly code template can be generated in GUI.
  • Allowing manual verification (with timeout) of SSH hostkey/TLS certificate in batch mode in scripting.
  • Added Session.EnumerateRemoteFiles method that can enumerate remote files and directories recursively. 1356
  • Switch -latest for get and put commands to transfer the latest file only.
  • Added a FullName property to the RemoteFileInfo class.
  • Resume and Append (TransferOptions.OverwriteMode) in .NET assembly. 1358
  • The open command in scripting can open FileZilla stored site.
  • Showing full open command syntax suggestion, when using saved site in batch script.
  • Change: The RemoteFileInfo.Name now contains a name only, even for a RemoteFileInfo instance returned by the Session.GetFileInfo.
  • Added properties IsThisDirectory and IsParentDirectory to RemoteFileInfo class.
  • Added Session.CombinePaths utility method as remote path equivalent of Path.Combine.
  • Added Session.TranslateRemotePathToLocal to generate a local path equivalent of a remote path, given root paths.
  • Supporting impersonated IIS environment with .NET assembly. 1334
  • Protocol prefix ftpes:// for FTP over explicit TLS/SSL.
  • Change: Deprecating Session.DefaultConfiguration in favor of Session.AddRawConfiguration.
  • Change: SessionOptions.SshPrivateKeyPassphrase renamed to SessionOptions.PrivateKeyPassphrase.
  • Not re-reading XML log when end of the file is reached to optimize performance. 1287
  • Parameter /loglevel documented in usage.
  • Removed deprecated .NET assembly options FtpSecure.ExplicitTls and FtpSecure.ExplicitSsl.
  • Warning when useless command-line parameters are specified in scripting.
  • Not offering host key verification in scripting if configuration is not persistent.
  • Suggesting use of -hostkey switch in host key verification prompt in scripting.
  • Session can be named using /sessionname= command-line switch. 1373
  • Resetting 10 seconds input timeout every time a key is pressed in scripting batch mode. 1347
• Optionally not closing the application after the last session closes. 857
• Optionally preserve timestamps of directories with SFTP protocol. 94
• Change: Interface theme is not configurable anymore. Only single theme is supported.
• Selected private key files in OpenSSH or ssh.com format can be automatically converted to PuTTY format. 22
• Allowing selection to start in the first column of file panel.
• Change: Change of language on run-time is not supported anymore.
• Session name (!N) and port number (!#) patterns for custom commands and terminal client path. 1346 1020
• Configurable internal editor font color and default background color. 1326
• Change: Using UTF-8 for strings (such as password) with SSH protocol. 1014
• Using REST command to resume upload with FTP protocol. 552
• Incremental site search can be restricted to the beginning of site name only or expanded to other site fields. 1348
• Files can be dropped on queue list. 1281
• Including all at least 80% translations into installer. Informing user when incomplete language is selected when installing.
• Displaying Owner file property with WebDAV protocol.
• Save All function in Internal editor. 1327
• Masking out passwords when logging command-line. 1344
• TLS/SSL core upgraded to OpenSSL 1.0.2e.
• Installer upgraded to Inno Setup 5.5.6.
• Enabled IPv6 with FTP by default. 1310
• Support for long local paths when deleting local file. 1352
• Animation on Find dialog and Authentication progress window.
• Displaying mod_dav executable property.
• Reloading site list when opening Login dialog to open additional session. 1322
• Handling ssh:// URLs and opening them in PuTTY. 1305
• Optionally trimming VMS version numbers from filenames during transfer. 1312
• Caching fingerprints of last verified host keys so they can be used in Generate URL function on Login dialog already.
• Download/Upload and Delete command moved to Download/Upload submenu 1279 and Edit With menu moved to Edit submenu. Edit With submenu is newly available on Edit toolbar button.
• Added Download/Upload in Background commands to respective menus. 1280
• Keyboard shortcuts Ctrl+L and Alt+D to focus Address toolbar (Explorer interface) or open bookmarks (Commander interface). 1303 Change: Shortcut of command Clear Selection changed to Shift+Ctrl+L.
• Commands to select/unselect all files with the same extension. 1286
• Inserting -load argument of PuTTY before custom user arguments. 1351
• New image for Find command and dialog.
• New images in an installer.
• About dialog lists all current and past translators.
• Warning when transferring multiple files to same name. 1282
• Hint user about possible reasons of SFTP code 4 error. 1285
• Platform SDK is no longer required to build 64-bit drag&drop shell extension.
• Increasing initial/minimal SFTP transfer packet size.
• Improving layout of installer Completing page of for long translations.
• Display parent directory in file panel even if the server does not include it in directory listing. 1298
• Showing only folder, not files, on Progress window, when calculating transfer size.
• Avoid flickering busy mouse cursor while calculating transfer size or collecting changes for synchronization.
• Showing localized language name on description of Typical installation.
• Added icon for Cancel All queue command.
• Correcting labels and hints for color commands in an internal editor.
• Session color can be set to black.
• Not showing percentage progress for indeterminate Directory size calculation.
• Preferences window opens with focused navigation tree.
• When Cancel is pressed on Progress window before moving transfer to background finishes, transfer is canceled.
• Disabling Proceed to Background once Cancel is pressed on Progress window.
• Added icon for queue Speed command.
• Desktop icons created by an installer show application description.
• Not showing details about retrieving timezone information on Authentication progress window.
• Using delete icon on site/site folder/workspace delete confirmation prompts.
• Showing error message when neon library initialization fails.
• Prompt for username even with GSSAPI authentication enabled. 1349
• Providing error details when deleting a local file fails.
• Using printenv instead of echo to obtain a value of the LANG environment variable. 1354
• Logging clear Authorization header when password logging is enabled.
• Explaining that certificate cannot be verified against hostname if IP address is used to connect to the server. 1359
• Updated to JCL library 2.7.
• Using Save dialog instead of Open for selecting log file and random seed file paths.
• Icon on New version message.
• Minimize buttons on Console and Synchronization checklist windows enabled.
• Informing the user when a connection fails because an FTP connection was attempted to an SFTP server.
• Increase length limit of site note to 4000. 1372
• Wrapping too long entries in authentication log to avoid horizontal scrollbar.
• Disambiguated commands in Once Done/Empty menus. 1375
• Encoding all non-ASCII characters in URLs to allow posting bug report and searching for message using web browsers that do not default to UTF-8 encoding for URLs (like Internet Explorer).
• Wider menu spacing.
• Bug fix: Speed limit history is not relocalized when language is changed. 490
• Bug fix: Not showing symlinks to directories as a difference on synchronization checklist as they are not synchronized anyway.
• Bug fix: When restoring an application from minimization, progress windows did not get activated.
• Bug fix: Preventing active window title flickering before opening Preferences dialog.
• Bug fix: Failure when opening WebDAVS session, if SSPI initialization failed (such as when running under Wine).
• Bug fix: When window is closing, its icon is hidden momentarily.
• Bug fix: WebDAV redirect loop was not detected on the first redirect.
• Bug fix: Error when SFTP server responds to upload (write) requests out of order. 1365
• Bug fix: Duplicated ad-hoc session from workspace is wrongly named.
• Bug fix: Cannot work with filenames starting or ending with space with FTP protocol. 26
• Bug fix: Failure or broken synchronized browsing when changing directory while another command was executing already. 1369
• Bug fix: Showing a command of a custom command in status bar. 1370
• Bug fix: Commander panel ratio lost after swapping panels.
• Bug fix: Minimize buttons on Login and Find windows did not minimize the application.
• Bug fix: Failure when closing window while some command was executing.
• Bug fix: When Authentication window is resized smaller, prompts get truncated.
• Bug fix: URL is generated incorrectly for a file with a space in a path. 1374
• Bug fix: Failure when a local drive is removed. 1376
• Bug fix: For a stored site with special characters, it was not possible to open/duplicate a session in a new instance, desktop shortcut had wrong name and desktop shortcuts/jump list entries were not working.
• Bug fix: Failure when the current local directory is deleted while session is disconnected and synchronized browsing is enabled. 1378
• Bug fix: Failure when using Close all windows taskbar function with opened and active internal editor. 1377

• Translation completed: Arabic.
• TLS/