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history 2023-03-11 history 2026-03-09 (current)
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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]]. 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]].
 +===== [[6.6.1]] 6.6.1 (not released yet) ((2026-03-09)) =====
-пглпщн8з +  * Support for OpenSSH ssh-agent. [[bug>1682]] 
-пш7а+  * Optionally connecting all workspace/folder sessions immediately. [[bug>1026]] 
 +  * ''Ctrl+C'' works in list views on 'Server and protocol information'. 
 +  * Preventing moving or copying a file or folder over ancestor folder with the same name. [[bug>2427]] 
 +  * WebDAV/HTTP core upgraded to neon 0.37.0. 
 +  * Bug fix: Some menus were not working on displays to the left or above the primary display. [[bug>2423]] 
 +  * Bug fix: Mouse wheel downwards scrolling did not work on toolbar drop down lists. 
 +  * Bug fix: Once any control of permissions popup box was focused the popup no longer closed when user clicked outside of it. 
 +  * Bug fix: Failure when closing Transfer settings dialog with //X// button while a permissions popup box control is focused. [[bug>2420]] 
 +  * Bug fix: Failure when switching to a session that is being reconnected. 
 +  * Bug fix: Failure when the first bit of an SFTP response is set. [[bug>2422]] 
 +  * Bug fix: Copying to clipboard with ''Ctrl+C'' from 'Server and protocol information' was broken. 
 +  * Bug fix: Protocol additional information scrolling was broken. 
 +  * Bug fix: Master password dialog was missing //Help// button. 
 +  * Bug fix: Checking if edited/opened file was modified externally didn't work for inactive sessions. [[bug>2426]] 
 +  * Bug fix: Wrapped settings values from Raw Site Settings dialog were not preserved.
 +===== [[6.6]] 6.6 beta ((2026-02-02)) =====
-омтвштдишиш+  * Synchronize 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 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]]
-понаелнлe+===== [[6.5.6]] 6.5.6 (not released yet) ((2026-03-06)) =====
-нгерпкврапр+  * Translations completed: Macedonian, and updated: Lithuanian, and Russian. 
 +  * TLS/SSL core upgraded to OpenSSL 3.3.6. 
 +  * Back-propagated improvement from 6.6–6.6.1 beta release: 
 +    * New DigiCert EV code signing certificate valid until March 2029 is used for signing binaries. 
 +    * 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]]
-===== [[5.21.7]] 5.21.7 ((2023-01-23)) =====+===== [[6.5.5]] 6.5.5 ((2025-11-19)) =====
-  * Improvements to official //Batch Rename// extension: +  * Translation updated: Vietnamese. 
- ···* Made GUI refresh optional to allow standalone execution. + ·* Bug fix: Pasting files using local directory tree context menu pastes them to the current directory, instead of the selected one
-   * Not failing when specific file do not require any rename+ ·* Bug fix: Failure when opening site imported from PuTTY with unsupported SSH proxy. [[bug>2407]] 
- ···* Bug fix: Rename fails when the filename contain file mask special characters. [[bug>2157]] +  * Bug fix: Incorrect hostname validation when connecting to S3 endpoint with certificate that does not cover root S3 hostname. [[bug>2409]]
-  * Bug fix: Failure when system settings change after new version message box was displayed. [[bug>2148]]+
-===== [[5.21.6]] 5.21.6 ((2022-11-28)) =====+===== [[6.5.4]] 6.5.4 ((2025-10-16)) =====
-  * TLS/SSL core upgraded to OpenSSL 1.1.1s+  * Translations updated: Belarusian and Georgian. 
-  * XML parser upgraded to Expat 2.5.0+··* TLS/SSL core upgraded to OpenSSL 3.3.5
-  * Translation updated: German. +  * XML parser upgraded to Expat 2.7.3
-  * Setting ''$PSNativeCommandArgumentPassing'' to ''Legacy'' in generated WinSCP scripting PowerShell commandline, which is needed for PowerShell 7.3 compatibility. [[bug>2134]] +  * Added new ''ap-southeast-6'' AWS region. 
-  * Added new ''ap-south-2'', ''eu-central-2'' and ''eu-south-2'' AWS regions and doubling region drop-down height. +··* Bug fix: When restored after operation completed while minimized the window is disabled. [[bug>2393]] 
-  * Bug fix: Moving WebDAV transfer to background aborts the transfer if the server commits the interrupted foreground transfer. [[bug>2126]] +  * Bug fix: Command ''md5sums'' is incorrectly used to calculate MD5 checksum instead of ''md5sum''. [[bug>2392]] 
-  * Bug fix: Failure when saving edited file while current tab is not connected. [[bug>2139]] +  * Bug fix: Incomplete FTP upload when the source stream/stdin reads less than requested. [[bug>2395]] 
-··* Bug fix: When the current session is encrypted, saved edited file was uploaded using the current session instead of its source session. When the current session is not encrypted, edited files opened in any encrypted session was uploaded on the background, possibly leading to data inconsistent files. +  * Bug fix: ''Shift''-clicking //OK// button on Synchronization checklist window when synchronization in the background was not possible still closed the window. 
-  * Bug fix: When reattaching edited file to re-connection session, the file was always attached to the current session instead of the possibly non-active re-connected session.+  * 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.
-===== [[5.21.5]] 5.21.5 ((2022-10-06)) =====+===== [[6.5.3]] 6.5.3 ((2025-07-16)) =====
-  * Translation completed: Brazilian Portuguese. +  * Translations updated: Belarusian, Brazilian Portuguese [[bug>2386]] and Slovenian
-  * WebDAV/HTTP core upgraded to neon 0.32.4. +  * TLS/SSL core upgraded to OpenSSL 3.3.4. 
-  * XML parser upgraded to Expat 2.4.9. +  * Temporarily not updating drag&drop shell extension for minor changes when installing for current user. [[bug>2381]] 
-  * Preventing opening tunneled sessions in PuTTY from Login dialog as it cannot work. [[bug>2116]]· +  * Bug fix: Failure when reading empty certificate authority configuration. 
-  * Bug fix: Agent forwarding does not work. [[bug>2113]] +  * Bug fix: Failure when running Maximized. [[bug>2387]] 
-  * Bug fix: Stall when new folder is detected and the drive contains folders with numerical names. [[bug>2114]] +  * Bug fix: Incorrect scaling of navigation tree on Login and Preferences dialogs. [[bug>2385]] 
-  * Bug fix: New version notification is not displaying.+  * Bug fix: Incorrect scaling of drag&drop shell extension status display on Preferences dialog.
-===== [[5.21.4]] 5.21.4 ((2022-09-12)) =====+===== [[6.5.2]] 6.5.2 ((2025-06-18)) =====
-  * This is Microsoft Store-only release with the following fix: +  * Translation updated: Brazilian Portuguese and Polish. 
- ···* The //Donate// command removed from the //Help// menu to comply with Store App policies.+  * Added new ''ap-east-2'' AWS region. 
 +  * Bug fix: Some translations (notably Japanese) are not loaded. [[bug>2372]] 
 + ·* Bug fix: Directory tree indentation is scaled incorrectly when starting on scaled display on system with scaled primary monitor. [[bug>2374]] 
 +  * Bug fix: Wrong icon size is used when starting on secondary monitor with different scaling than the primary one. 
 +··* Bug fix: Failure when proxy hostname resolution fails with SFTP/SCP protocols. [[bug>2376]] 
 + * Bug fix: Avoid replacing ''%2F'' with a slash and ''%2E'' with a dot in special cases on upload to avoid path traversal. [[bug>2377]] 
 +  * Bug fix: Failure when canceling reconnection on authentication banner, when the connection was already closed by the server. [[bug>2379]] 
 +  * Bug fix: Local directories sometimes cannot be deleted. [[bug>2380]]
-===== [[5.21.3]] 5.21.3 ((2022-09-06)) =====+===== [[6.5.1]] 6.5.1 ((2025-05-05)) =====
-  * Translation updated: Ukrainian+  * Translation completed: Danish
-  * Added new ''me-central-1'' AWS region+  * Change: Skipping symlinks in //Search for Text// extension. [[bug>2365]] 
-  * Bug fix: Site with a stored password protected by master password cannot be opened from command-line. [[bug>2101]] +  * WebDAV/HTTP core upgraded to neon 0.34.2. It brings the following change, among other: 
-  * Bug fix: Opening session in new window fails. [[bug>2104]]+    * Bug fix: Failure when parsing WebDAV ''<status>'' without reason phrase. [[bug>2368]] 
 +  * Bug fix: Monitor placement and maximization is not remembered on monitors with different scaling than the primary one. [[bug>2366]] 
 +  * Bug fix: WebDAV authentication is endlessly retried when both SSPI/NTLM/Negotiate and other authentication method fails. [[bug>2367]] 
 +  * Bug fix: Cannot incrementally search with ''space'' and cannot use ''space'' to toggle selection. [[bug>2364]] 
 +  * Bug fix: Failure after switching off //Thumbnails// view. [[bug>2369]] 
 +  * Bug fix: Failure when system app mode changes to //Dark//.
-===== [[5.21.2]] 5.21.2 ((2022-08-08)) =====+===== [[6.5]] 6.5 ((2025-03-31)) =====
-  * Translation completed: Farsi+  * Translation completed: Norwegian
-  * TLS/SSL core upgraded to OpenSSL 1.1.1q. +  * XML parser upgraded to Expat 2.7.1
-  * Initial implementation of application logging+  * Bug fix: Layout problems of by-default hidden columns on high-DPI displays. [[bug>2361]] 
-  * Bug fix: "Hidden files showing toggled" message displays opposite status. +  * Bug fix: Scaling was broken  
- * Bug fix: Cannot authenticate to WebDAV server with username containing some special characters. [[bug>2095]] +  * Bug fix: //Copy key fingerprints to clipboard// command link was scaled incorrectly.
-  * Bug fix: Checkbox to set permissions recursively on Properties dialog is missing, when changing owner and group is not supported. [[bug>2097]] +
-  * Bug fix: .NET assembly type library cannot be used in WSH. [[bug>2098]]+
-===== [[5.21.1]] 5.21.1 ((2022-06-24)) ===== +===== [[6.4.3]] 6.4.3 RC ((2025-03-17)) =====
-  * Translation completed: Polish. +
-  * TLS/SSL core upgraded to OpenSSL 1.1.1p. +
-  * Not offering to create a link to parent directory, when it happens to be selected, when starting to create a link. [[bug>2091]] +
-  * Bug fix: Extension options dialog layout broken on systems with multiple monitors with different text scaling. [[bug>2090]] +
-  * Bug fix: Failure when starting parallel FTP background transfers. [[bug>2093]] +
-  * Bug fix: Directory coloring rules on remote panel do not work. [[bug>2094]]+
-===== [[5.21]] 5.21 ((2022-06-15)) =====+··* Display and modify S3 file/object tags. [[bug>2353]] 
 +  * Translations completed: Belarusian, Brazilian Portuguese, Catalan, Czech, Dutch, Finnish, French, German, Hungarian, Italian, Japanese, Korean, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Tamil, Traditional Chinese and Turkish; updated: Norwegian; and started: Georgian. 
 +  * SSH core and SSH private key tools (PuTTYgen and Pageant) upgraded to [[&url(puttychanges)|PuTTY 0.83]]. \\ It brings the following change: 
 +    * Bug fix: crash in Pageant if an SSH connection is abandoned while waiting for a deferred decryption passphrase. 
 +  * TLS/SSL core upgraded to OpenSSL 3.3.3. 
 +  * Installer upgraded to Inno Setup 6.4.1. 
 +  * XML parser upgraded to Expat 2.7.0. 
 +  * Allowed S3 connection with IAM roles on instances that require IMDSv2. [[bug>2351]] 
 +  * Remembering empty session password. [[bug>2352]] 
 +  * Small GUI improvements. 
 +  * Bug fix: Some parts of UI are not localized. [[bug>2346]] 
 +  * Bug fix: //Columns > Reset layout// command does not reset width of by-default hidden columns. [[bug>2347]] 
 +· * Bug fix: Some translation file were duplicitously interpreted as another additional language. 
 +  * Bug fix: Unicode contents in web sources was incorrectly decoded. 
 +  * Bug fix: Intermediate translation ''.islu'' files were included in MSI installer. 
 +  * Bug fix: Monospace font is not remembered if SSH banners are administratively forced. 
 +  * Change: Bug fix: In XML log, ''filename'' tag was included in ''stat'' tag, although explicitly documented not to. 
 +  * Bug fix: Error when the last page of S3 directory listing is empty. [[bug>2355]]
-··* Bug fix: Hang when entering small directories with FTP protocol. [[bug>2087]] +===== [[6.4.2]] 6.4.2 beta ((2025-01-27)) =====
-· * Bug fix: Lag when moving files from remote panel using drag&drop. [[bug>2088]+
-· * Bug fix: After certain operations, drive that was ever opened in local file panel cannot be safely removed temporarily.+
-===== [[5.20.4]] 5.20.4 RC ((2022-06-08)) ===== +··* Synchronization actions can be pushed to background queue. [[bug>2318]] 
-   +· * Ongoing local delete operation can be moved to a background queue (only on a remote tab, as local tabs do not have a queue). 
-  * SSH core and SSH private key tools (PuTTYgen and Pageant) upgraded to [[&url(puttychanges)|PuTTY 0.77]]. It brings the following changes: + * Switching to //Segoe UI// font with slightly larger size (9) as recommended for Windows Vista and newer. All windows are now slightly larger accordingly and their layout was unified. 
- ···* Pageant: Option ''%%--openssh-config%%'' to allow easy interoperation with Windows's ''ssh.exe''. [[pbug>win-pageant-openssh-interop]] +  * SSH core upgraded to pre-release snapshot of PuTTY 0.83 (2025-01-03.1e45199). It brings the following change: 
- ···* Bug fix: PuTTYgen's mouse-based entropy collection now handles high-frequency mice without getting confused. [[pbug>win-puttygen-entropy-rate-limit]] +····* Implement the post-quantum ML-KEM key encapsulation method. [[pbug>ml-kem]] 
- ···* Bug fix: Pageant can now handle large numbers of concurrent connections without hanging or crashing. [[pbug>win-pageant-max-connections-2]] +  * SSH private key tools (PuTTYgen and Pageant) upgraded to PuTTY 0.82. 
- ···* Bug fix: If Pageant is started multiple times simultaneously, the instances should reliably agree on one of them to be the persistent server. [[pbug>win-pageant-concurrent-startup]] +  * Command-line interface for installing public key into server. [[bug>2342]] 
-  * Improved error message when FTP server returns malformed response. [[bug>2077]] +··* Installer upgraded to Inno Setup 6.4.0. 
-  * Translations updated: German and Slovak. +  * Thumbnails for WebP images. [[bug>2336]] 
-  * Not listing remote directory when downloading file using FTP protocol with overwrite confirmations off. [[bug>2084]] + ·* Change: Finding ''WinSCP.exe'' in a process path if a .NET assembly assembly path is unknown (before looking into an installation folder). [[bug>;2339]] 
-  * Workaround for calls to system API failing when used first time against some network shares (Samba) with paths over the legacy Windows limit. [[bug>2082]] +  * WebDAV/HTTP core upgraded to neon 0.34.0. 
-  * Workaround for an apparent bug in Windows 11 that prevents WinSCP from stopping Windows going to the sleep mode during transfers. [[bug>2083]] +  * Better error message when trying to open an inaccessible local drive (such as locked BitLocker drive). 
-  * Workaround for specific encoding of commas in filenames (and particularly directory names) by OneDrive WebDAV interface. [[bug>2085]] +  * ''%%https://%%'' URL to S3 API at ''oraclecloud.com'' is interpreted as S3 protocol, instead of WebDAV. 
-  * Bug fix: When transferring a growing file, after its original size is reached, the ''Session.FileTransferProgress'' event starts being triggered continuously. [[bug>2078]] +· * AWS metadata service connection timeout is by default one second and ''AWS_METADATA_SERVICE_TIMEOUT'' is respected. 
-  * Bug fix: Restored pre-5.20.3 behaviour with MVS systems. [[bug>2086]]+ ·* Added new ''ap-southeast-7'' and ''mx-central-1'' AWS regions. 
 + ·* Bug fix: Hang when trying to open an inaccessible drive from drive drop down menu. 
 +· * Bug fix: On Windows 11, //Windows 10// version was logged. 
 +··* Bug fix: Hang when opening path with duplicated backslash. [[bug>2330]] 
 + ·* Bug fix: When moving an ongoing delete operation to background queue, it might attempt to delete the current file again, failing the operation. 
 +  * Bug fix: After system theme change panel context menus stop working. [[bug>2331]] 
 +  * Bug fix: It was possible to start synchronization in new window despite incompatible //Selected files only// option selected by ''Shift''-clicking the //OK// button. [[bug>1870]] 
 +  * Bug fix: Failure when opening two SSH sessions at the same time. [[bug>2334]] 
 +  * Bug fix: Tunneled session password is not remembered. [[bug>2335]] 
 +  * Bug fix: Failure when trying to use a file not containing a private key as a client certificate file with WebDAV. 
 +  * Bug fix: ''Session.DebugLogPath'' cannot be set in single-file bundles. [[bug>2338]] 
 +  * Bug fix: Stray ''set'' command in source code package build script. [[bug>2340]] 
 +  * Bug fix: Duplicate shortcut key in local //Open directory// window for shared bookmarks. [[bug>710]] 
 +  * Bug fix: Source code package build script exits parent ''cmd'' console on error. [[bug>2341]] 
 +  * Bug fix: Command to //"Install public key into server"// was enabled, even when no hostname was specified
-===== [[5.20.3]] 5.20.3 RC ((2022-05-17)) =====+===== [[6.4.1]] 6.4.1 beta ((2024-11-21)) =====
-  * Translations completed: Catalan, Czech, Dutch, Finnish, French, German, Hungarian, Italian, Japanese, Korean, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Traditional Chinese, Turkish and Ukrainian; and updated: Vietnamese +  * IDE upgraded to Embarcadero C++Builder 11. [[bug>618]] 
- ·* Streaming support in .NET assembly and scripting for FTP protocol. [[bug>1945]] +· * Change: Dropped support for Windows XP and Windows Vista. Minimal supported version is Windows 7
-  * Improved compatibility with MVS systems. [[bug>2069]] +· * Improvements to Synchronization checklist window
-  * New .NET assembly method ''Session.TryGetFileInfo''. Thanks to @RachamimYaakobov. [[bug>2068]] + ···* Command to find //Move// candidate
-  * Expanding environment variables in Open Directory/Location Profiles dialogs in local paths. [[bug>909]] + ···* //Move// command can be used with a set of orphaned files and new folder in source directory to create that directory on the target side and move the orphaned files there
-  * Optimized loading of large directories. [[bug>1631]] + ···* Added //Calculate All// command. 
-  * TLS/SSL core upgraded to OpenSSL 1.1.1o+ ···* Added a keyboard shortcut to //Calculate// command. 
-  * Installer upgraded to Inno Setup 6.2.1+ ···* //Move// command can be used with long local paths. 
-  * When group (//Site/Shared//) to which new location profile is added is changed, switching the page to the target group+  * Compatibility with new OneDrive WebDAV interface. [[bug>2321]] 
-  * Preventing occasional exhaustion of resources while testing WinSCP executable version on repeated use of .NET assembly. [[bug>2075]] +  * Optimized loading of file panels when switching between tabs with different filters. [[bug>2315]] 
-  * Bug fix: Capabilities of S3 sessions were not shown. +  * Optimized browsing deep local directory trees. 
-  * Bug fix: Misplaced warning about unused scripting parameters when ''/rawsettings'' command-line switch is used. [[bug>2070]] +  * XML parser upgraded to Expat 2.6.3. 
-  * Bug fix: File panels malfunction when files are dropped from other application to it. [[bug>2071]] +  * Including PuTTY and OpenSSL versions in ''/info''. 
-  * Bug fix: When logging transfer statistics, recent transfer speed was logged instead of average speed of whole transfer. [[bug>2073]] +  * Added new ''ap-southeast-5'' AWS region. 
-  * Bug fix: z/OS PDS members without ISPF statistics are omitted in directory listing. [[bug>2076]]+  * Gracefully handling invalid Unicode characters FFFF and FFFE in filenames in .NET assembly. [[bug>2325]] 
 +  * Bug fix: Failure when system theme change is broadcasted in short order. 
 +· * Bug fix: Browsing long paths was broken. 
 +  * Bug fix: After leaving subdirectory, it is not scrolled into view in the parent directory. 
 +··* Bug fix: Long local panel location was lost after some file operations
 +  * Bug fix: Editor font was scaled twice on monitors with different DPI than the primary one
 +  * Bug fix: Option to switch to Location profiles was shown on Open directory dialog even when not possible, while session was disconnected
 +  * Bug fix: After delete operation is moved to background, some operations (notably editing) do not work anymore. [[bug>2319]] 
 +  * Bug fix: ''Shift+Ctrl+P'' keyboard shortcut on Login dialog to open site in PuTTY without closing the dialog does not work. [[bug>2320]] 
 +  * Bug fix: Failure when opening TLS connection with invalid OpenSSL configuration file. [[bug>2327]] 
 +  * Bug fix: Rare incorrect conversion of line endings when downloading. [[bug>2324]] 
 +  * Bug fix: Hang when creating temporary files with temporary folder on locked drive. [[bug>2328]]
-===== [[5.20.2]] 5.20.2 beta ((2022-04-06)) =====+===== [[6.4]] 6.4 beta ((2024-09-19)) =====
-  * Translations updated: German and Vietnamese+  * Thumbnail view in file panels. [[bug>912]] 
-  * SSH core upgraded to pre-release build of [[https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/|PuTTY 0.77]]. (*TODO replace with &url(puttychanges) once 0.77 is released*) \\ It brings the following changes: +  * Three selectable sizes of toolbar icons, showing slightly larger size by default. [[bug>2147]] 
-    * Support for HTTP Digest authentication for proxies. [[pbug>http-digestauth]] +  * Optimized working with large local directories: [[bug>2264]] 
-    * Interactive username/password prompts for proxy authentication. [[bug>468]] [[pbug>proxy-password-prompt]] +    * Loading large directory trees in the background. 
-  * TLS/SSL core upgraded to OpenSSL 1.1.1n+    * Hidden directory trees are loaded only in the background. 
-  * WebDAV core upgraded to neon 0.32.2+    * Optimizing directory loading by checking existence of subfolders in the background. 
-  * XML parser upgraded to Expat 2.4.8+    * Optimized reading directories for file panel. 
-  * Allowed uploading edited files over encrypted session. [[bug>1989]] +····* Optimized browsing within directory tree with lots of subfolders. 
-  * Building .NET assembly in Visual Studio 2019+··* Dark theme for session tabs. [[bug>1806]] 
-  * Optionally not flashing taskbar button when WinSCP needs attention while in the background. [[bug>2067]] +  * Improvements to AWS/S3 authentication and configuration handling
-  * In .NET assembly or scripting with "nul" configuration, when WinSCP registry key does not exist, do not write statistics to INI file. [[bug>2066]] +   * Allowed assuming IAM role. [[bug>2249]] 
-  * New less prominent icon for //Quit// command+ ···* Credential profiles in ''.aws/config'' file are also recognized. 
-  * Bug fix: Failure when attempting to switch to an unconnected sessions using keyboard shortcuts while another session is being connected+   * Preferring configuration file defined using an environment variable over the default one. 
-  * Bug fix: Removing all custom commands resets the default ones when INI file is used. [[bug>2059]] +····* Only profiles that contain both ''aws_access_key_id'' and ''aws_secret_access_key'' are listed on the Login dialog 
-  * Bug fix: Failure when changing remote folder using directory tree while previous directory is still loading. [[bug>2060]] +    * Bug fix: The ''.aws/credentials'' file path was resolved using ''AWS_CONFIG_FILE'' environment variable instead of correct ''AWS_SHARED_CREDENTIALS_FILE''. 
-  * Bug fix: Drive that was ever opened in local file panel cannot be safely removed until WinSCP is closed. [[bug>2061]] +  * Incremental search improvements: 
-  * Bug fix: //"Optimize connection buffer size"// checkbox was disabled for S3 although it has effect for the protocol. [[bug>2058]] +    * Search panel pops up on ''Ctrl+F'' to make the function easier to find. [[bug>2281]] 
-  * Bug fix: Custom commands menu fail to open. [[bug>2062]] +    * Layout of search panel on Login dialog improved. 
-  * Bug fix: Local drive menu does not reflect some changes. [[bug>2063]] +    * Search options context menu added to the search panel on Login dialog. 
-  * Bug fix: Using drive menu to change to an invalid drive fails silently+  * Remembering panel scroll position when switching tabs or refreshing. [[bug>1057]] 
-  * Bug fix: Scripting command ''ls'' in FTP session displays timestamps without year even if the server (notably IIS) provided the year, if it did not provide seconds. [[bug>2065]]+··* Search for Preferences options. 
 +  * TLS/SSL core upgraded to OpenSSL 3.3.2
 +  * Site import from an INI file. [[bug>2290]] 
 +  * Preserve timestamp when duplicating remote file using SFTP extension ''copy-data'' (OpenSSH). [[bug>2307]] 
 +  * Changing caret position on the first click on an inactive editor window. [[bug>2304]] 
 +  * Change: Limiting SFTP version to 3 with non-well-known SFTP servers as a workaround for interoperability issues. [[bug>2247]] 
 +  * Installer upgraded to Inno Setup 6.3.1
 +  * In icons view, files are rearranged automatically when the panel is resized. 
 +  * Explorer interface view style toolbar button now shows icon for the current style, instead of the next style. 
 +  * Fallback to nonresumable transfer when temporary target file cannot be created. [[bug>2277]] 
 +  * Optionally disabled smooth scrolling in an internal editor. [[bug>128]] 
 +  * Prevented redrawing scrollbars when loading remote directory tree. [[bug>2313]] 
 +  * Open window maximized when closed while minimized from maximized state. [[bug>2305]] 
 +  * Compatibility with FTP servers that return an empty path in root. [[bug>2300]] 
 +  * Ignoring WebDAV '';PROPFIND''; result entries that do not belong to the requested directory. [[bug>2312]] 
 +  * Optionally following ''NoViewOnDrive'' policy. [[bug>2310]] 
 +  * Recognizing matching Azure certificate files. [[bug>2311]] 
 +  * Logging can be enabled for installer subtasks. 
 +  * Limited SFTP upload queue length to avoid networking congestion. 
 +  * Updated to JCL library 2.8 commit 6380ce72. 
 +  * //Columns// menu in Explorer interface is enabled only in //Details// view
 +  * With ''/rawconfig'', session is never opened in an existing instance. 
 +  * Not including useless OpenSSL states in error reporting
 +  * Bug fix: Possibility that files in root folder were incorrectly used. 
 +  * Bug fix: Failure when system theme is changed at the same time directory change is detected. [[bug>2286]] 
 +  * Bug fix: Tree indentation does not scale correctly. [[bug>2288]] 
 + * Bug fix: It was possible to start renaming a site by double-clicking its node while editing the site. 
 +  * Bug fix: Cannot download from WebDAV server when the request is redirected to the same path on another server. [[bug>2293]] 
 +  * Bug fix: Overlay images were not drawn in icons view when //Name// column in //Details// view was too narrow. 
 +  * Bug fix: Some Unicode texts, notably custom command names, were saved incorrectly in an INI file. [[bug>2301]] 
 +  * Bug fix: Caption of permissions group labels disappears when hovered over on Windows 11. 
 + 
 +===== [[6.3.8]] 6.3.8 (not released yet) ((2025-10-31)) ===== 
 + 
 +  * TLS/SSL core upgraded to OpenSSL 3.2.6. 
 +  * Back-propagated fixes from 6.4.3–6.5.5 releases: 
 +    * Change: Skipping symlinks in //Search for Text// extension. [[bug>2365]] 
 +   * XML parser upgraded to Expat 2.7.3. 
 +····* Bug fix: Local directories sometimes cannot be deleted. [[bug>2380]] 
 +   * Bug fix: Failure or silently missing headers when when S3 request headers were too long. 
 +····* Bug fix: Incorrect hostname validation when connecting to S3 endpoint with certificate that does not cover root S3 hostname. [[bug>2409]] 
 + 
 +===== [[6.3.7]] 6.3.7 ((2025-02-20)) ===== 
 + 
 +  * Translation completed: Belarusian. 
 +  * TLS/SSL core upgraded to OpenSSL 3.2.4
 +  * Back-propagated fixes and improvements from upcoming 6.4.2 beta release: 
 +   * Added new ''ap-southeast-7'' and ''mx-central-1'' AWS regions. 
 +   * Bug fix: Failure when opening two SSH sessions at the same time. [[bug>2334]] 
 +   * Bug fix: Tunneled session password is not remembered. [[bug>2335]] 
 +    * Bug fix: Stray ''set'' command in source code package build script. [[bug>2340]] 
 +    * Bug fix: Source code package build script exits parent ''cmd'' console on error. [[bug>2341]]
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