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history 2016-01-03 history 2026-09-11 (current)
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====== Recent Version History ====== ====== Recent Version History ======
-This is a list of changes for each release of WinSCP. See also [[project_history|project history]].+This is a full list of changes for each release of WinSCP. See also [[project_history|Project history]] and [[incompatible_changes|Incompatible changes between versions]].
-===== [[5.8.1]] 5.8.1 (not released yet) ====+===== [[6.8]] 6.8 (not released yet) ((2026-08-22)) =====
-=== 2016-01-03 === +
-··* 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''. +
-  * Correcting DST adjustments of FTP timestamps by IIS FTP server. [[bug>1380]] +
-  * 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. [[bug>1381]] +
-  * Bug fix: Failure when displaying hint on color menu. [[bug>1382]] +
-  * Bug fix: Failure when transferring files from command-line. [[bug>1383]]+
-===== [[5.8]] 5.8 beta ===== +··* Word wrapping in the internal editor can be toggled from toolbar menu. [[bug>2451]]
-=== 2015-12-16 === +
-··* Authentication with TLS/SSL client certificates. [[bug>921]] +
-  * Redesigned Progress and Synchronization progress windows. +
-  * WebDAV file locking. [[bug>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). [[bug>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 [[&url(puttychanges)|PuTTY 0.66]]. +
-  * Improved transfer speed: +
-    * with SFTP and SCP protocols when CPU is limiting factor. +
-    * with SFTP on high latency connections. [[bug>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. [[bug>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. [[bug>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. [[bug>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. [[bug>1334]] +
-    * Protocol prefix ''%%ftpes://%%'' for FTP over explicit TLS/SSL. +
-    * Change: Deprecating ''Session.DefaultConfiguration'' in favor of ''Session.AddRawConfiguration''. +
-    * Not re-reading XML log when end of the file is reached to optimize performance. [[bug>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. [[bug>1373]] +
-    * Resetting 10 seconds input timeout every time a key is pressed in scripting batch mode. [[bug>1347]] +
-  * Optionally not closing the application after the last session closes. [[bug>857]] +
-  * Optionally preserve timestamps of directories with SFTP protocol. [[bug>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. [[bug>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. [[bug>1346]] [[bug>1020]] +
-  * Configurable internal editor font color and default background color. [[bug>1326]] +
-  * Change: Using UTF-8 for strings (such as password) with SSH protocol. [[bug>1014]] +
-  * Using ''REST'' command to resume upload with FTP protocol. [[bug>552]] +
-  * Incremental site search can be restricted to the beginning of site name only or expanded to other site fields. [[bug>1348]] +
-  * Files can be dropped on queue list. [[bug>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. [[bug>1327]] +
-  * Masking out passwords when logging command-line. [[bug>1344]] +
-  * TLS/SSL core upgraded to OpenSSL 1.0.2e. +
-  * Installer upgraded to Inno Setup 5.5.6. +
-  * Enabled IPv6 with FTP by default. [[bug>1310]] +
-  * Support for long local paths when deleting local file. [[bug>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. [[bug>1322]] +
-  * Handling ''%%ssh://%%'' URLs and opening them in PuTTY. [[bug>1305]] +
-  * Optionally trimming VMS version numbers from filenames during transfer. [[bug>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 [[bug>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. [[bug>1280]] +
-  * Keyboard shortcuts ''Ctrl+L'' and ''Alt+D'' to focus //Address// toolbar (Explorer interface) or open bookmarks (Commander interface). [[bug>1303]] Change: Shortcut of command //Clear Selection// changed to ''Shift+Ctrl+L''. +
-  * Commands to select/unselect all files with the same extension. [[bug>1286]] +
-  * Inserting ''-load'' argument of PuTTY before custom user arguments. [[bug>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. [[bug>1282]] +
-  * Hint user about possible reasons of SFTP code 4 error. [[bug>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. [[bug>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. [[bug>1349]] +
-  * Providing error details when deleting a local file fails. +
-  * Using ''printenv'' instead of ''echo'' to obtain a value of the ''LANG'' environment variable. [[bug>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. [[bug>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. [[bug>1372]] +
-  * Wrapping too long entries in authentication log to avoid horizontal scrollbar. +
-  * Disambiguated commands in //Once Done/Empty// menus. [[bug>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. [[bug>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. [[bug>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. [[bug>26]] +
-  * Bug fix: Failure or broken synchronized browsing when changing directory while another command was executing already. [[bug>1369]] +
-  * Bug fix: Showing a command of a custom command in status bar. [[bug>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. [[bug>1374]] +
-  * Bug fix: Failure when a local drive is removed. [[bug>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. [[bug>1378]] +
-  * Bug fix: Failure when using //Close all windows// taskbar function with opened and active internal editor. [[bug>1377]]+
-===== [[5.7.7]] 5.7.7 (not released yet) ===== +===== [[6.6.4]] 6.6.4 (not released yet) ((2026-09-11)) ===== 
-=== 2015-12-17 === +  
-  * Translation completed: Arabic+··* Increased length limit of proxy host name for updates preferences. [[bug>2456]] 
-  * TLS/SSL core upgraded to OpenSSL 1.0.1q+  * Optionally default to keeping Login dialog open after opening session in PuTTY. [[bug>2459]] 
-  * Bug fix: Failure when Progress window closes (transfer finishes) while //Once done// drop down menu is opened. [[bug>1379]]+  * Improving placement of widows, particularly those opened, while the main window is not visible (notably during command-line operations)
 +  * Bug fix: When selecting a site to perform a command-line operation with, it was possible to select a workspace or a folder, resulting in unexpected behaviour or failure. [[bug>2457]] 
 +  * Bug fix: After opening session in PuTTY, WinSCP process is never closed. [[bug>2458]] 
 +  * Bug fix: Invalid language code for Serbian was used for Microsoft Store package. [[bug>2460]]
-(* Reveal only with the release, not to scare people that some upgrade is missing *) +===== [[6.6.3]] 6.6.3 RC ((2026-09-03)) =====
-(* Upgraded private key tools (PuTTYgen and Pageant) to 0.66. *)+
-===== 5.7.6 ===== +··* Translations completed: Belarusian, Brazilian Portuguese, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Hungarian, Italian, Japanese, Korean, Lithuanian, Macedonian, Polish, Portuguese, Romanian, Russian, Serbian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Tamil, Traditional Chinese and Turkish
-=== 2015-11-04 === +  * Some parts of GUI (panel headers, scrollbars, buttons, checkboxes) show dark in dark theme even when system-wide app theme is light
-  * Translation completed: Spanish. +  * SSH core and private key tools (PuTTYgen and Pageant) upgraded to [[&url(puttychanges)|PuTTY 0.85]]. \\ It brings the following change: 
-  * Upgraded private key tools (PuTTYgen and Pageant) to 0.65+ ···* Security issue: fixed a remotely triggerable use-after-free in Pageant. [[pbug>pageant-deferred-decryption-uaf]] 
-  * Workaround for ProFTPD using ''cdir'' type in ''MLST'' response when retrieving listing for a current working directory. [[bug>1350]] + ···* Security issue: fixed a remotely triggerable buffer overflow if the OpenSSH encrypt-then-MAC cipher modes are in use. [[pbug>etm-large-packet-overflow]] 
- ·* Workaround for FTP servers that incorrectly use RFC 2228-style response to ''MLST'' command. [[bug>1360]] + ···* Security issue: fixed a buffer overflow in private key decryption, if the private key is constructed maliciously. [[pbug>argon2-parameter-checks]] 
- ·* Perform TLS/SSL handshake on transfer connection immediately when connected to Idea FTP server (home.pl). [[bug>1357]] + ···* Denial-of-service security fixes: a server can trigger a tight loop in WinSCP, and even a MITM can make it consume unlimited memory at startup. [[pbug>maxpkt-0-tight-loop]] 
- ·* Recognize WebDAV folder by trailing slash in its path, if the server does not provide ''DAV:collection'' tag. [[bug>1362]] +··* Bundled SSH private key tools (PuTTYgen and Pageant) are 64-bit. 
-  * Limiting ''Session.Output'' size not to waste memory with large sessions. [[bug>1367]] +  * On Windows 11, using system dark tab theme, that uses different shades for active and disabled/disconnected tabs. [[bug>2452]] 
-  * Bug fix: Failure when spinning a mouse wheel over a Find/Replace dialogs of Internal editor. [[bug>1353]] +  * TLS/SSL core upgraded to OpenSSL 3.5.8. 
-  * Bug fix: Failure when dropping files from application that fails to provide ''CF_HDROP''. [[bug>1361]] +  * XML parser upgraded to Expat 2.8.4. 
-  * Bug fix: Failure when Windows session is closing while no session is connected. [[bug>1363]] +··* Source code package build script supports 64-bit target. 
-  * Bug fix: Cannot download root folder from an FTP server that does not support ''MLSD'' or ''SIZE';' and ''MDTM'' commands. [[bug>1364]] +··* Installer upgraded to Inno Setup 6.7.3. 
-  * Bug fix: Queue setting on Copy dialog is lost when different transfer setting preset is selected+· * 64-bit build is identified in version information. 
-  * Bug fix: File timestamps are incorrectly adjusted for autodetected positive timezone difference. [[bug>1366]]+··* Resolving version of pwsh installed with MSIX. 
 +  * Thirdparty information from the About dialog can be copied to the clipboard even when the browser control malfunctions. 
 +  * Bug fix: No error is shown when connection fails. 
 +  * Bug fix: ''x-name'' URL parameter was incorrectly decoded. 
 +··* Bug fix: Incorrect number validation. 
 +··* Bug fix: Some controls (notably list view headers) do not correctly apply dark mode in 64-bit build. [[bug>2453]] 
 +  * Bug fix: 64-bit build did not identify its system to be 64-bit, what among other prevented it from identifying 64-bit COM registrations
 +  * Bug fix: Some strings use incorrect translation in 64-bit version. [[bug>2455]]
-===== 5.7.5 ===== +===== [[6.6.2]] 6.6.2 RC ((2026-06-17)) =====
-=== 2015-08-04 === +
-  * Translation completed: Catalan. +
-  * TLS/SSL core upgraded to OpenSSL 1.0.1p. +
-  * Supporting the RFC 4419 revision to Diffie-Hellman group exchange. [[bug>1345]] [[pbug>rfc4419]] +
-  * Workaround for Cerberus SFTP server incorrectly indicating end of directory listing. [[bug>1338]] +
-  * SHA-256 hash of binaries provided in release notes. +
-  * Aligning //Save// button with //Edit// button on Login dialog. +
-  * Bug fix: Failure or timeout when Execute button on Console window was clicked while another command was executing already. [[bug>1339]] +
-· * Bug fix: Switches do not work with aliases to scripting commands. [[bug>1340]] +
-  * Bug fix: Failure when trying to manipulate files in nonexisting directory in "batch continue" scripting mode. [[bug>1314]] +
-  * Bug fix: It was not possible to configure //Timezone offset// for SCP protocol. [[bug>1343]] +
-  * Bug fix: When timezone difference is autodetected with legacy FTP server, timestamp precision is not taken into account when comparing timestamps (e.g. for synchronization). [[bug>1342]]+
-===== 5.7.4 ===== +··* Experimental 64-bit version of WinSCP. [[bug>618]] 
-=== 2015-06-17 === +  * Optionally not showing error message when connection is lost while idle. [[bug>2360]] 
-  * Translations completed: French and Ukrainian+· * SSH core and SSH private key tools (PuTTYgen and Pageant) upgraded to [[&url(puttychanges)|PuTTY 0.84]]. \\ It brings the following changes: 
-  * TLS/SSL core upgraded to OpenSSL 1.0.1o+····* Security issue: fixed a remotely triggerable double-free in RSA key exchange. [[pbug>rsakex-double-free]] 
-  * Not using directory include masks recursively when finding files. [[bug>1329]] +   * Minor security issue: fixed a remotely triggerable crash in NIST ECDSA signature verification. [[pbug>ecdsa-remotely-triggerable-assertion]] 
-  * Recognizing UTF-8 encoded localized German month names in FTP ''LIST'' command results. [[bug>1328]] +····* Bug fix: spurious //"Network error: Socket is not connected"// when authenticating to some HTTP proxies. [[pbug>http-proxy-auth-wsaenotconn]] 
-  * Bug fix: Relative path of find results is shown incorrectly when finding from root folder. [[bug>1330]] +  * TLS/SSL core upgraded to OpenSSL 3.5.7. 
-  * Bug fix: Failure when switching sessions with session log window opened. [[bug>1333]] +  * XML parser upgraded to Expat 2.8.1. 
-  * Bug fix: Session and log file information on Log window is not updated when switching session+  * Restored faster C TLS/SSL AES implementation. 
-  * Bug fix: Reference to parent WebDAV directory shows incorrectly when a name of the current folder includes special characters. [[bug>1335]] +  * Configurable warning when opening large file in an internal editor. [[bug>2437]] 
-  * Bug fix: History of some inputs is not saved. [[bug>1336]] +  * Informing that when preserving directory timestamps is enabled, using multiple connections for transfer is not possible. [[bug>2439]] 
-  * Bug fix: Incorrect behavior when retrying connection after listing of initial remote directory fails+  * Warning when pasting a session URL with unsafe settings. 
-  * Bug fix: When panel drive/path comboxes box do not cover whole toolbar height, the change Drive/Directory command do not work.+  * When opening session in PuTTY to a host for which WinSCP has multiple host keys cached, using the last key or the key that PuTTY has cached. [[bug>2440]] 
 +  * Always (re)registering drag&drop shell extension during installation, even when the extension is not replaced. 
 +  * Allowed Console interface tool to have ''.exe'' extension to avoid false positive detections by some antiviruses. [[bug>2434]] 
 +  * Using //"username"// and //"hostname"// as one word. 
 +  * Reading all system settings from 64-bit registry. 
 +  * Allow assigning ''null'' to ''Session.SessionLogPath''. [[bug>2438]] 
 +  * Avoiding using ''SSH_FXF_EXCL'' together with ''SSH_FXF_TRUNC'' SFTP file opening flags. [[bug>2444]] 
 +  * Optimized file system monitoring when looking for dummy directory during drag&drop downloads. [[bug>2445]] 
 +  * Change: Not allowing WebDAV redirects to other hosts by default. [[bug>2447]] 
 +  * Change: Not allowing WebDAV redirects to an unencrypted URL by default. [[bug>2448]] 
 +  * Updated to JCL library 2.9 commit c669fd12
 +  * Bug fix: Failure when trying to connect via HTTP proxy to FTP host with excessively long login details. [[bug>2435]] 
 +  * Bug fix: Buffer overflow in Console interface tool. [[bug>2436]] 
 +  * Bug fix: Failure setting ''Session.DebugLogPath'' when running in impersonated context. [[bug>2441]] 
 +  * Bug fix: Message boxes from secondary windows (like the internal editor) caused application to move to the background when when the main window was minimized. [[bug>2443]] 
 +  * Bug fix: Heap over-read via crafted encrypted filename. [[bug>2449]] 
 +  * Bug fix: Slashes in filenames can cause path traversal when invalid filename characters replacement is disabled. [[bug>2450]]
 +===== [[6.6.1]] 6.6.1 beta ((2026-04-01)) =====
-===== 5.7.3 ===== +··* Support for OpenSSH ssh-agent. [[bug>1682]] 
-=== 2015-05-13 === +··* Optionally connecting all workspace/folder sessions immediately. [[bug>1026]] 
-  * Using FTP command ''SIZE'' in binary mode. [[bug>1292]] +  * Preserving panel scroll position after rename. [[bug>2425]] 
-  * Optionally determining local file icon by extension only. [[bug>1325]] +  * ''Ctrl+C'' works in list views on 'Server and protocol information' dialog. 
-  * Ensuring that sessions to be opened in a new window do not get actually opened back in the existing window+  * Preventing moving or copying a file or folder over ancestor folder with the same name. [[bug>2427]] 
-  * Bug fix: SFTP transfers fail occasionally. [[bug>1321]] +  * WebDAV/HTTP core upgraded to neon 0.37.1
-  * Bug fix: Controls occasionally do not align correctly after restoring maximized window from minimization. [[bug>1309]] +  * XML parser upgraded to Expat 2.7.5. 
-  * Bug fix: Embedded session is not opened. [[bug>1311]] +  * Bug fix: Some menus were not working on displays to the left or above the primary display. [[bug>2423]] 
-  * Bug fix: SCP session breaks when an output includes a null character. [[bug>1313]] +  * Bug fix: Mouse wheel downwards scrolling did not work on toolbar drop down lists
-  * Bug fix: Error retrieving file attributes with FTP protocol when the path is given with trailing slash. [[bug>1314]] +  * Bug fix: Once any control of permissions popup box was focused the popup no longer closed when user clicked outside of it
-  * Bug fix: Sort arrow was shown on unsortable Find dialog+  * Bug fix: Failure when closing Transfer settings dialog with //X// button while a permissions popup box control is focused. [[bug>2420]] 
-  * Bug fix: File mask with size constraint over 4 GB does not work. [[bug>1318]] +  * Bug fix: Failure when switching to a session that is being reconnected
-  * Bug fix: When dragging files from local panel to local tree, status bar is not updated. [[bug>1319]] +  * Bug fix: Failure when the first bit of an SFTP response is set. [[bug>2422]] 
-  * Bug fix: Local directory tree does not show newly created folder. [[bug>1320]] +  * Bug fix: Copying to clipboard with ''Ctrl+C'' from 'Server and protocol information' was broken. 
-  * Bug fix: Local directory tree stops reflecting changes after creating new folder+  * Bug fix: Protocol additional information scrolling was broken
-  * Bug fix: Failure when HTTPS WebDAV URL redirects to HTTP. [[bug>1323]] +  * Bug fix: Master password dialog was missing //Help// button
-  * Bug fix: Certificate validation fails, when HTTP WebDAV URL redirects to HTTPS+  * Bug fix: Checking if edited/opened file was modified externally didn't work for inactive sessions. [[bug>2426]] 
-  * Bug fix: Some redirected WebDAVS connection error messages show original host name instead of the actual host name+  * Bug fix: Wrapped settings values from Raw Site Settings dialog were not preserved
-  * Bug fix: WebDAVS certificate failure override for redirected session is stored for original host name. +  * Bug fix: Some files modified by local custom command in SCP session fail to upload back. [[bug>2428]] 
-· * Bug fix: During file transfers on FTP servers that do not support ''MLSD'' command, file details are not provided on overwrite confirmation prompt and transfer progress is not shown correctly. [[bug>1324]] +  * Bug fix: Whole //Key exchange// page was incorrectly hidden when //"Handles SSH key re-exchange badly"// bug was enabled. 
-  * Bug fix: Edit commands on all Internal editors reflect state of the currently focused editor, instead of their editor.+  * Bug fix: Some message boxes leak GDI handle. [[bug>2430]] 
 +  * Bug fix: Login dialog leaks GDI handles. [[bug>2431]]
 +===== [[6.6]] 6.6 beta ((2026-02-02)) =====
 +  * Synchronizing two local directories. [[bug>2020]]
 +  * Compiler upgraded to Clang/bcc32c. [[bug>618]]
 +  * Inactive sessions can be automatically reconnected. [[bug>2232]]
 +  * Added dark theme support to: [[bug>1696]]
 +    * Login dialog. [[bug>2345]]
 +    * Transfer Options dialog.
 +    * Message boxes.
 +    * Queue column headers. [[bug>2356]]
 +    * Progress window.
 +    * Authentication Progress window. [[bug>2358]]
 +    * Bug fix: Scrollbar colors did not always reflect the color theme
 +  * Using modern directory selection dialog that scales correctly and allows creating new directory. [[bug>2373]] [[bug>2389]]
 +  * Optimized GUI when working with large subdirectory selection. [[bug>2396]]
 +  * Change: Default to UTF-8 encoding in internal editor. [[bug>2397]]
 +  * New DigiCert EV code signing certificate valid until March 2029 is used for signing binaries.
 +  * TLS/SSL core upgraded to OpenSSL 3.5.5.
 +  * WebDAV/HTTP core upgraded to neon 0.36.0.
 +  * XML parser upgraded to Expat 2.7.4.
 +  * Installer upgraded to Inno Setup 6.7.0 with dark mode support enabled.
 +  * Increased WinSCP memory limit to 4 GB. [[bug>2412]]
 +  * Defined and implemented interface for the .NET library. By @mjkent. [[bug>856]]
 +  * Optimized TLS/SSL AES implementation.
 +  * Restoring ability to restart Explorer to allow upgrade of drag&drop shell extension, when installing for current user, as after-restart replacement is not possible without Administrator privileges. [[bug>2381]]
 +  * MSI toolset updated to WiX 5.
 +  * Commands to copy paths to the clipboard on the Synchronization checklist window.
 +  * Cryptography optimization.
 +  * Support long AWS/S3 session tokens. [[bug>2403]]
 +  * Prevent hang when new device is attached or removed while some mapped network drive is not available. [[bug>2382]]
 +  * Copy and paste improvements:
 +    * Consistently renaming local files dropped or pasted back to their source directory to avoid collisions.
 +    * Bug fix: When copying local files to clipboard from system context menu, "cut" state of previously cut files was not cleared.
 +  * Not redundantly verifying WebDAV or S3 certificate in Windows Certificate store if it is already marked as trusted in session settings. [[bug>2404]]
 +  * Provide SNI when opening FTP data connection. [[bug>2410]]
 +  * Optimized synchronization checklist sorting.
 +  * Support for Beyond Compare 5 in Compare Files extension. [[bug>2417]]
 +  * Convert unsupported SSH proxy to SSH tunnel when importing site from PuTTY. [[bug>2408]]
 +  * FTP directory listing falls back to the other active/passive mode, consistently with file transfers.
 +  * Consistently calling command to open window with specific directory //Explore//, instead of sometimes //Browse//.
 +  * Consistently referring to file last modification timestamp column as //Date modified//.
 +  * With INI file provided on command-line, using the same INI file when starting a new instance.
 +  * Windows shell local file copy status window is centered on the main window.
 +  * Made taskbar flashing configurable in GUI. [[bug>2411]]
 +  * Control labels on transfer settings dialogs do not show keyboard accelerator cue, until ''Alt'' key is pressed.
 +  * Not using drag images even with directory trees. [[bug>1274]]
 +  * Allow configuring checksum commands. [[bug>2394]]
 +  * Updated to JCL library 2.8.1.
 +  * Updating jump list only when running with GUI.
 +  * Made space on permissions box for longer translations. [[bug>2398]]
 +  * Opening //Default Apps// //Settings// page directly to open it in the foreground and avoid flashing //Control Panel// window.
 +  * Improving order in which Windows Narrator reads window controls.
 +  * All edit boxes with history consistently do not auto complete and show 16 entries in the drop down.
 +  * Removed obsolete //Preserve remote timestamp// session settings.
 +  * Bug fix: Local file with invalid characters replaced could not be explored from the Synchronization checklist window.
 +  * Bug fix: Files modified by local custom command are not always uploaded to the correct remote directory. [[bug>2370]]
 +  * Bug fix: List of network drives in drive drop down and directory tree did not always match.
 +  * Bug fix: Host key prompt did not have the default button.
 +  * Bug fix: When the local path specified on Open directory/Location profile dialog is not existing, when browsing for a new path, the trailing part of the nonexisting path was appended to the new path.
 +  * Bug fix: Trying to enter an invalid link in local panel fails silently.
 +  * Bug fix: After FTP data connection fails to open further use of the session is broken.
 +  * Bug fix: Pasting cut files from the clipboard into a local panel copies them instead of moving them. [[bug>2400]]
 +  * Bug fix: Some edits did not save their value to history when submitting with ''Enter''.
 +  * Bug fix: Too long edit history dropdown can overflow monitor bounds. [[bug>2432]]
 +  * Bug fix: Message box texts and some control labels are not visible to screen readers. [[bug>2413]]
 +  * Bug fix: Failure when clicking tab close button while the session is already being closed. [[bug>2416]]
 +===== [[6.5.9]] 6.5.9 (not released yet) ((2026-09-10)) =====
 +  * Back-propagated fixes from 6.6.4 release:
 +    * Bug fix: Invalid language code for Serbian was used for Microsoft Store package. [[bug>2460]]
-===== 5.7.2 ===== +===== [[6.5.8]] 6.5.8 ((2026-09-10)) =====
-=== 2015-04-14 === +
-  * Reporting relative addresses in stack trace. +
-  * Bug fix: SFTP/SCP transfers occasionally time out. [[bug>1306]] +
-  * Bug fix: Fail gracefully when internal command generated by WinSCP .NET assembly is too long. [[bug>1297]] +
-· * Bug fix: Failure when "downloading and deleting" an empty remote directory with .NET assembly. [[bug>1299]] +
-· * Bug fix: When overwriting configuration export, new configuration is appended, instead of replacing the previous export. [[bug>1300]] +
-· * Bug fix: When listing WebDAV directory using relative path, the listing includes a reference to the directory itself. [[bug>1301]] +
-  * Bug fix: Failure when pressing help icon while no control has focus. [[bug>1304]] +
-  * Bug fix: Failure when closing log window during activity. +
-  * Bug fix: Incorrect encoding of SSH_FXP_REALPATH. [[bug>1308]]+
-===== 5.7.1 ===== +··* This is Microsoft Store-only release that fixes packaging problem of 6.5.7. The actual binaries are still 6.5.7
-=== 2015-03-25 === + ···* Bug fix: Cannot install from Microsoft Store because of invalid 'sr' language. [[bug>2460]]
-··* Translations added: Croatian, Finnish, Korean and Polish. +
-  * Upgraded private key tools (PuTTYgen and Pageant) to 0.64. +
-  * TLS/SSL core upgraded to OpenSSL 1.0.1m. +
-  * Not requiring confirmation when canceling an operation. +
-  * Import of Base64-encoded passwords from FileZilla. +
-  * Progress window uses //Skip// button instead of //Cancel// when calculating transfer size. [[bug>1296]] +
-  * Workaround for ProFTPD/mod_sftp bug in SSH_FXP_REALPATH handling with SFTP version 6. [[bug>1289]] +
-  * Not asking for master password repeatedly when opening Generate URL dialog. Not asking at all unless user chooses to include password into URL+
-  * More space for information about translators. +
-  * Bug fix: Back-propagated SSH security fixes from PuTTY 0.64.((PuTTY 0.65 and 0.66 fixes are not relevant for WinSCP.)) [[pbug>private-key-not-wiped-2]] [[pbug>diffie-hellman-range-check]] +
- ·* Bug fix: Failure when working with stored sites when a temporary hidden site for interprocess communication is not properly removed. +
-  * Bug fix: Overwrite confirmation prompt displays name of source file instead of target file, when file name changes, with SFTP, SCP and WebDAV protocols. [[bug>;1290]] +
-  * Bug fix: Transfer was not resumed after moving the transfer to the background when source and target file name differs with FTP protocol. +
-  * Bug fix: Failure when trying to open another externally initiated session while externally initiated session is opening. +
-  * Bug fix: It is not possible to configure certificate accepting with WebDAV protocol in .NET assembly. [[bug>1284]] +
-  * Bug fix: User and group name is not decoded properly from UTF-8 encoding with SFTP version 3 and older. [[bug>;1288]] +
-  * Bug fix: When calculating size of files to transfer is canceled, not using the incomplete results to estimate transfer progress. +
-  * Bug fix: When local custom command is applied to a remote folder, it is unconditionally uploaded back after the command finishes. [[bug>1294]] +
-  * Bug fix: Calculation of transfer size could not be moved to background.+
-//Users upgrading from [[#5.5.6|WinSCP 5.5.6]]// can read more about [[announcement_winscp57|WinSCP 5.7 - What's New?]]+===== [[6.5.7]] 6.5.7 ((2026-09-09)) =====
-===== 5.7 ===== +··* Translations completed: Croatian, Finnish, Georgian, Italian and Serbian, and updated: Slovenian
-=== 2015-02-20 === +  * TLS/SSL core upgraded to OpenSSL 3.3.7. 
-··* Translations added: Czech, Dutch, German, Italian, Japanese, Lithuanian, Norwegian, Romanian, Russian, Simplified Chinese, Slovak, Swedish and Turkish+  * SSH private key tools (PuTTYgen and Pageant) upgraded to [[&url(puttychanges)|PuTTY 0.85]]. SSH core upgraded to include some fixes. \\ It brings the following change: 
-  * Requesting FTP directory listing fields using ''OPTS MLST'', if the server does not provide all needed fields by default. [[bug>1267]] + ···* Security issue: fixed a remotely triggerable use-after-free in Pageant. [[pbug>pageant-deferred-decryption-uaf]] 
-  * Support for ''MD5'' FTP command+ ···* Security issue: fixed a remotely triggerable buffer overflow if the OpenSSH encrypt-then-MAC cipher modes are in use. [[pbug>etm-large-packet-overflow]] 
-  * Executable ''winscp.exe'' is included in //.NET assembly// package. + ···* Security issue: fixed a buffer overflow in private key decryption, if the private key is constructed maliciously. [[pbug>argon2-parameter-checks]] 
-  * Logging level and password logging can be set on command-line using ''/loglevel'' switch. + ···* Denial-of-service security fixes: a server can trigger a tight loop in WinSCP, and even a MITM can make it consume unlimited memory at startup. [[pbug>maxpkt-0-tight-loop]] 
- ·* Logging parsed command-line and script command parameters on //Debug 1// level. + ···* Security issue: fixed a remotely triggerable double-free in RSA key exchange. [[pbug>rsakex-double-free]] 
-  * Size of connection receiving buffer increased. [[bug>1273]] + ···* Minor security issue: fixed a remotely triggerable crash in NIST ECDSA signature verification. [[pbug>ecdsa-remotely-triggerable-assertion]] 
-··* TLS/SSL core upgraded to OpenSSL 1.0.1l. +  * Back-propagated fixes from 6.6.2 beta release: 
- ·* Reducing amount of detailed information shown on Authentication Progress window for FTP sessions+ ···* Bug fix: Failure setting ''Session.DebugLogPath'' when running in impersonated context. [[bug>2441]] 
-  * Adjusting message box size for icons scaled on Windows 8.1 and newer. +  * Bug fix: A specially crafted PKCS#7 or S/MIME signed message could trigger a use-after-free during PKCS#7 signature verification. CVE-2026-45447 fix from OpenSSL 3.4.6.
-  * Not using drag images. [[bug>1274]] +
- ·* Logging processes and performance counters in .NET assembly debug log, only when ''Session.DebugLogLevel'' is ''1''. +
- ·* Not logging value of  ''-passphrase'' switch of ''open'' command. [[bug>1277]] +
-  * Bug fix: After several unsuccessful reconnects a resumed FTP file download starts from an initial remote folder, instead of correct source folder. [[bug>1268]] +
- ·* Bug fix: When sorting local files modified at the same time by modification time, sort direction is not considered when falling back to sorting by filename. [[bug>1269]] +
- ·* Bug fix: Command could be invoked in the middle of creating directory or navigating. [[bug>1272]] +
-  * Bug fix: It was possible to drop on a file with drop handler in local panel with enabled drag&drop shell extension, although it cannot work with drop handlers. +
- ·* Bug fix: Failure when dropping on a file with drop handler in local panel with disabled drag&drop shell extension. +
-··* Bug fix: Failure when running in a restricted environment. [[bug>1276]] +
-  * Bug fix: Confirmation button on //Read to Install// and //Finished installing// installer screens was incorrectly labeled //Next//. +
-  * Bug fix: Order of sessions in workspace with more than 10 sessions is not preserved. [[bug>1278]]+
-===== [[5.6.5]] 5.6.5 RC ===== +===== [[6.5.6]] 6.5.6 ((2026-03-25)) =====
-=== 2015-01-13 === +
-  * Local custom commands can optionally be executed with remote file paths. [[bug>510]] +
- * TLS/SSL core upgraded to OpenSSL 1.0.1k. Fixing several security defects. +
-  * Change: ''Session.CalculateFileChecksum'' method returns a byte array instead of a string to match .NET framework cryptography functions. +
-  * Never doing transfer via temporary file when overwriting a file known to be owned by another user. [[bug>1260]] +
-  * Never automatically refresh a file panel while menu is opened or file is being dragged. [[bug>1262]] +
-  * Loading files ownership before showing Properties when connected to Bitvise SFTP server. +
-  * Meaningful error message when a cipher or a key-exchange algorithm is not verified. +
-  * Using term "Sleep" instead of "Suspend" as used by Windows Vista and newer. +
-  * Bug fix: Location profile folders are duplicated. [[bug>1259]] +
-  * Bug fix: Command could be invoked while keeping session up to date. [[bug>1263]] +
-  * Bug fix: Wrong syntax of SHA-1 cipher name in ''checksum'' command help. +
-··* Bug fix: Default configuration was recreated after user chose to cleanup configuration during uninstallation. +
-  * Bug fix: Failure in scripting one some rare prompts. [[bug>1264]] +
-  * Bug fix: Failure when file panel autorefresh is triggered while directory is being read. [[bug>1265]] +
-  * Bug fix: Could not connect to FTP server over a proxy with //Force IP address for passive mode connections// set to //On//. [[bug>1266]]+
-[[history_old|[Older versions] ]]+  * Translations completed: Macedonian, and updated: Lithuanian, and Russian. 
 +  * TLS/SSL core upgraded to OpenSSL 3.3.6. 
 +  * Back-propagated improvements from 6.6–6.6.1 beta release: 
 +    * New DigiCert EV code signing certificate valid until March 2029 is used for signing binaries. 
 +    * XML parser upgraded to Expat 2.7.5. 
 +    * Support for Beyond Compare 5 in Compare Files extension. [[bug>2417]] 
 +    * Bug fix: Checking if edited/opened file was modified externally didn't work for inactive sessions. [[bug>2426]] 
 + 
 +===== [[6.5.5]] 6.5.5 ((2025-11-19)) ===== 
 + 
 +  * Translation updated: Vietnamese. 
 +  * Bug fix: Pasting files using local directory tree context menu pastes them to the current directory, instead of the selected one. 
 +  * Bug fix: Failure when opening site imported from PuTTY with unsupported SSH proxy. [[bug>2407]] 
 +  * Bug fix: Incorrect hostname validation when connecting to S3 endpoint with certificate that does not cover root S3 hostname. [[bug>2409]] 
 + 
 +===== [[6.5.4]] 6.5.4 ((2025-10-16)) ===== 
 + 
 +  * Translations updated: Belarusian and Georgian. 
 +  * TLS/SSL core upgraded to OpenSSL 3.3.5. 
 +  * XML parser upgraded to Expat 2.7.3. 
 +  * Added new ''ap-southeast-6'' AWS region. 
 +  * Bug fix: When restored after operation completed while minimized the window is disabled. [[bug>2393]] 
 +  * Bug fix: Command ''md5sums'' is incorrectly used to calculate MD5 checksum instead of ''md5sum''. [[bug>2392]] 
 +  * Bug fix: Incomplete FTP upload when the source stream/stdin reads less than requested. [[bug>2395]] 
 +  * Bug fix: ''Shift''-clicking //OK// button on Synchronization checklist window when synchronization in the background was not possible still closed the window. 
 +  * Bug fix: Failure after reloading file panel when number of files decreases. [[bug>2402]] 
 +  * Bug fix: Failure or silently missing headers when when S3 request headers were too long. 
 + 
 +[[history_old|Older versions]]
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Last modified: by martin