Recent Version History

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

5.6.4 (not released yet)

2014-11-28

Improvements to calculating remote file checksum:
- Checksum support for FTP using HASH/XSHA1/XSHA256/XSHA512/XMD5/XCRC commands. 1242
- File checksum can be calculated in scripting (checksum command and XML log entry) and .NET assembly (Session.CalculateFileChecksum method). 1246
- Using IANA checksum algorithm names
- Calculate checksum button on Properties dialog becomes the default button when Algorithm box has focus.
Home path can be resolved in .NET assembly using Session.HomePath. 1248
Site tree on Login dialog responds to mouse wheel even when not focused. 846
Cancel all command for Background transfer queue list. 602
Keep remote directory up to date dialog can be minimized to tray, even when minimizing to taskbar is used for the application.
Prolonging countdown instead of suspending it when moving mouse over message box with “timeout” button. 1107
File ownership in available in .NET assembly and XML log. 1245
Improved automatic sizing of columns in various lists.
Change: Considering directories to have zero size, when matching file masks or sorting by size, even when the server reports size for the directory, to achieve consistent behavior.
Further compatibility improvements with IIS FTP server:
- Workaround for malformed FEAT response of older versions of IIS FTP Server.
- Bug fix: Cannot upload file to directory when FTP server returns 4xx/5xx response to directory listing request after allowing (typically empty) listing transfer. 1249
Replaced FtpSecure.ExplicitTls .NET assembly option with FtpSecure.Explicit and deprecated FtpSecure.ExplicitSsl.
Using Yes/No, instead of OK/Cancel on sites import confirmation during installation not to make an impression that rejecting the import cancels the installation.
Bug fix: Parameters /help and /batchsettings were not working with winscp.com.
Bug fix: Command could be invoked using keyboard shortcut in the middle of reloading directory.
Bug fix: Reason not given when FTP upload fails because local file attributes cannot be retrieved. 1250
Bug fix: FTP upload fails when volume information for local drive cannot be retrieved. 1251

5.6.3 beta

2014-11-13

Improved GUI responsiveness (with SFTP, SCP and FTP protocols). 1237
Sites can be mass-modified using /batchsettings command-line parameter. 1236
Use default transfer mode for edited files, except when using Notepad. 1239
Added method Session.AddRawConfiguration to configure any global configuration option. 876
Optionally logging even sensitive information (such as passwords).
Consistently logging transferred bytes for every transferred file.
Improving protection from undesired modifications of local files when handling URLs from browser while relieving restriction on combining URLs on command line with some switches, such as /log, /xmllog and /defaults.
The failonnomatch option applies also to ls and lls command. 1172
Replaced -explicittls command-line parameter and switch of open command with -explicit and deprecated -explicitssl.
Change: lls by default only displays a notification that no matching file is found, instead of failing.
Differentiating unknown private key format and non-existing/non-readable private key file errors.
Bug fix: Session cannot be opened when Session.AddRawSettings is used. 1234
Bug fix: Failure when connecting to WebDAV server not supporting persistent connections. 1235
Bug fix: Keepalives were turned off when overriding site settings with raw settings
Bug fix: Parameter /rawconfig was not documented in usage.
Bug fix: The Use default system editor button is misplaced on (ad-hoc) Editor dialog.
Bug fix: Synchronization checklist window could be resized too small not to fit Custom button.
Bug fix: The last file upload before creating a remote directory is not reported with .NET assembly. 1238
Bug fix: Progress bar not appearing on task bar when main window is not visible. 1240
Bug fix: Overwrite confirmation was required when changing case of site name.
Bug fix: Failure when copying multiple files checksum results to clipboard. 1243
Bug fix: Large sizes are displayed incorrectly. 1244

5.6.2 beta

2014-10-23

Computer can be suspended when operation completes. Thanks to s.vaningelgem. 694
Uploading back files modified by local custom command. 169
UTF-8 support for SCP. 325
Checkbox to exclude all directories as a shortcut and hint to * mask on Edit file mask dialog.
Improved Synchronization checklist window:
- Synchronization direction can be reversed for individual files. 225
- Showing total size of files selected for synchronization. 23
- Custom commands are available in context menu. 566
- Labeling custom commands drop down menu Commands only to fit the label to the button.
- Bug fix: Icon was misplaced when columns order was changed.
TLS/SSL core upgraded to OpenSSL 1.0.1j. Fixing several security defects.
Rounding file sizes up. 1204
Global configuration options can be set on command-line. 876
Command to copy find results to clipboard. 1117
Optimized startup time. Sponsored by Alan Irwin. 1220
Improved compatibility with antiquated FTP servers, like IIS: 1221
- Using CWD/SIZE/MDMT to retrieve information about file when MLST is not supported.
- Non-standard use of MDTM to modify remote file timestamp.
- Auto-detecting timezone difference when MLST is not supported.
Natural order numerical sorting of file names and sites. 425
Support for ProFTPD FTP extensions SITE COPY/CPFR/CPTO to duplicate a remote file, and SITE SYMLINK to create a symbolic link.
Configurable file panel font size. 596
Moved mask hint below directory mask boxes on Edit file mask dialog to make it obvious it applies to those masks too.
Edit With menu (previously Edit (alternative) added to file panel context menu. 1226
Added New (> File/Directory) menu to local panel context menu. 1227
Added “Exclude directories” transfer settings preset.
When FTP MLSD listing does not include Unix.mode fact, presenting at least a Perm fact, if available. 1208
Defaulting Session.ReconnectTime to 120 seconds to match the new actual default (see 1173). Setting the property to TimeSpan.MaxValue removes any limit.
Improved detection if user shall be offered external editor auto configuration.
Merging TLS and SSL encryption options for FTP into one, trying AUTH TLS first, falling back to AUTH SSL.
Timestamp variable in scripting. 1223
Auto-detecting when SFTP server does not use UTF-8 encoding with SFTP-3 and older. 1212
Removed Ext sub-caption from Name columns on file panels (since Windows Vista, it is no longer possible to distinguish sorting by name and extension in column header).
Configurable WebDAV root path in .NET assembly. 1213
Change: A .NET assembly method Session.ExecuteCommand does not throw an exception on error. Instead a CommandExecutionResult now descends from a OperationResultBase (use it’s Check method to reproduce the previous behavior).
An ExitCode property added to CommandExecutionResult in .NET assembly and an exitcode tag added to XML logging. 1225
A SecureString can be used provide password in .NET assembly via property SessionOptions.SecurePassword. 1230
Allow accessing RemoteFileInfo length via IDispatch on 32-bit systems. 1231
Masking out password in .NET assembly debug log.
Not considering directory name “extension” when sorting file panel by file type. 1211
Not popping up a message box, when fatal startup error occurs in scripting with /nointeractiveinput switch (including runs by .NET assembly). If XML logging is enabled, the fatal error is recorded in the log (and promoted to .NET assembly).
Improving GUI responsiveness when finishing uploads with SFTP protocol.
Button to use system editor on Editor Preferences dialog.
Optionally not honoring system NoDrives policy. 1233
Trying to use cp -T when duplicating remote files. 1217
Optionally using deterministic paths to temporary mirrors of remote files. 410
WebDAV core upgraded to neon 0.30.1.
License in setup can be accepted simply by pressing Accept button.
Supporting Unicode characters in private key file path. 1196
Disabling permissions controls on Create directory dialog if protocol does not allow changing permissions.
Disabling Terminal window with WebDAV protocol.
Failing scripting commands call and chmod with WebDAV protocol.
Improving workaround for Gallery2 WebDAV server that incorrectly fail PROPFIND requests for non existing files with 401 (authentication failure) code.
Showing error details when logging to a file fails. 1198
Showing error details when opening/creating a local file with FTP protocol fails.
Display progress window earlier when transfer start is taking long with SFTP protocol. 1202
SSL 3.0 disabled by default, to protect from SSL vulnerabilities, such as CVE-2014-3566 (POODLE).
Changed default checksum algorithm to “sha1”.
Added Session.ReconnectTimeInMilliseconds as an alternative to Session.ReconnectTime that can be used from COM hosts not supporting 64-bit integers (such as VBA).
Added alternative private key file filter that selects other key file formats in addition to .ppk.
Enabling Import Sites command even when no site is found and showing reason later. 1219
Terminating the last line of console output, if it was progress line.
Preventing “Pick an app” being offered as an external editor when the last editor was uninstalled.
Displaying notification when source file mask in script matches no file.
More tolerance to invalid modification time format with WebDAV protocol. 1232
Bug fix: Failure when error occurs while working with local files. 1218
Bug fix: Keyboard accelerators to mask boxes on Edit file mask dialog were not working.
Bug fix: Not possible to select/enter file name with Unicode characters in filename input boxes. 1195
Bug fix: Wrong “Timeout detected” message when FTP control connection is closed while transferring a file. 1197
Bug fix: Cannot retrieve file from root folder of FTP server. 1199
Bug fix: Mouse cursor of file list/directory tree splitter is not adjusted when Show directory tree left of file list preference option is enabled. 1200
Bug fix: Sort column header caption was truncated too much on Windows Vista and later.
Bug fix: Hint for making tree sizes equal is not generic enough to cover “Tree on left” option. 1206
Bug fix: OpenSSL was built without optimizations.
Bug fix: When opening a session from command-line in scripting failure is randomly reported. 1210
Bug fix: Part of interface description is obscured in installer when themes are turned off.
Bug fix: On the first authentication failure, message “Access without password denied”, even when password was actually used. 1214
Bug fix: When any default settings are saved, logged source of ad-hoc sites is wrongly identified as modified site. 1216
Bug fix: Cannot retrieve file from current folder of FTP server in scripting. 1222
Bug fix: When failonnomatch is enabled, script does not fail when multiple source masks are used, and the second and later mask matches no file.
Bug fix: SSL 2.0 use could be configured, despite not actually supporting the protocol.
Bug fix: Hidden columns, including otherwise not-displayable internal column Ext, are shown when Ctrl-+ shortcut is used. 1228
Bug fix: Cannot rename directory on WebDAV servers that insist on source path ending with slash. 1229
Bug fix: Session class properties could not be set over IDispatch without exact types (particularly boolean properties could not be set with integer value).

5.6.1 beta

2014-07-22

SFTP version 6 supported: 96
- Hardlinks can be created.
- Optimized directory reading and file downloading.
Allowed stored sites, including their names and initial directories, to preserve Unicode characters. 1189
Workaround for Vandyke VShell incorrect announcement of checksum calculation support. 1190
Workaround for Bitvise WinSSHD lack of SFTP extensions announcement. 1191
Support for proprietary OpenSSH extension hardlink@openssh.com for creating hardlinks. 1192
Open command can open directories.
WinSCP can register to handle WinSCP-specific WebDAV URL addresses (winscp-http:// and winscp-https://).
Improved stack trace reporting for internal errors.
No showing suggestion to delete file in error when overwriting file on non-interactive displays.
Workaround for FTP servers that do not enclose path in response to PWD command in quotes. 1193
Bug fix: Failure when opening SCP session. 1187
Bug fix: Missing help link for Note page of Advanced Site Settings dialog.
Bug fix: Failure when processing results of upload in .NET assembly when a directory was created with explicitly set permissions as the first operation. 1188
Bug fix: Wrong formatting of some error messages on log view of Keep remote directory up to date dialog with Continue on error option enabled.
Bug fix: Modified edited/opened remote files are incorrectly uploaded using an active session, instead of their original session. 1194

5.6 beta

2014-07-11

WebDAV support, both for GUI and automation (scripting and .NET assembly). 160
Ongoing foreground transfer can be moved to background transfer queue. 1170
Improved working with session URL:
- When clipboard contains session URL, Paste command on a main window opens the session specified by the URL. When save extension is used, Save session as site dialog opens instead. 663
- Added Paste Session URL command on Login dialog with Ctrl+V keyboard shortcut.
- When session URL is typed into Host name box on Login dialog, it is parsed when the box loses keyboard focus.
- New dialog for session URL generation. It also obsoletes previous File > File Names > Copy URL to Clipboard command.
Note field for site. 353
Improved display of files sizes in panels:
- Displaying file sizes in panels always in KB’s by default. 1124
- Applying file panel size format to Transferred indicator on queue list. 1124
- Reverted to JEDEC size units (KB, MB, GB) instead of IEC units (KiB, MiB, GiB). 1123
Improved informing about updates:
- Updates information dialog shows change list.
- Pending updates information is optionally shown on startup.
- Updates information balloon encourages to click it to display change list.
- Toolbar button always checks for updates, instead of showing cached data, when available.
- Distinguishing new version information on notification balloon.
Improvements to scripting, command-line and .NET assembly:
- Remote file can be opened for editing in a standalone internal editor using /edit command-line parameter. 14
- Change: When executing script file or script commands provided on command-line, default batch mode is abort and overwrite confirmations are turned off.
- Change: Enabling batch mode in scripting automatically limits reconnect time to 120 seconds, if it is not limited yet. 1173
- Change: When host key does not match fingerprint specified on command line or in script, user is not prompted to verify the host key and connection is abandoned with meaningful error message. 1186
- Session.Close method in .NET assembly.
- Speed limit in .NET assembly. 1019
- Passphrase can be provided on command line/in scripting and .NET assembly. 816
- Added switch -neweronly to put and get scripting commands to enable New and updated files only option. 666
- Optionally failing command when file mask matches no files. 1172
- Updated in-application command-line help page with missing parameters and to match online help page.
- Bug fix: Session.SynchronizeDirectories could not be called via IDispatch. 1136
- Detect and report that session is closed unexpectedly instead of reporting XML log reading error in .NET assembly. 1137
- Warning when starting configured transfer settings or synchronization options in script are not factory defaults.
- For negative (system) WinSCP exit codes, the .NET assembly presents the code also in hexadecimal format as is common for system error codes.
Support for long local paths. 821
Option not to abort Keep remote directory up to date on errors. 720
Support for copy-file SFTP extension to duplicate remote files.
Customizable background color of Internal editor. 480
IDE upgraded to Embarcadero C++ Builder XE6.
ECDH ciphers supported with TLS.
Optionally opening new sessions in separate window by default. 1000
Command to auto-detect proxy for session settings. 1147
Hidden files are hidden by default.
When internal exception occurs, stack trace is included into error message (and error report subsequently).
Replaced Symbolic link option when creating/editing list with Hard link option to avoid confusion when the option is disabled when hard links are not supported.
Not sizing message box buttons to width of the widest button.
With FTP protocol, transfer settings do not mention removing EOF mark, as this is not supported.
All top level windows (particularly when main window is not shown) have title icon, taskbar button and “WinSCP” suffix in title.
Separated hidden and filtered files indicator to separate status bar panels that can be clicked to show hidden files or modify filter respectively.
Site-specific transfer settings preset can be added from Login dialog.
Using continuous “Synchronizing” in Synchronize progress window title.
Automatically replacing forbidden slash in name of site imported from FileZilla. 1111
Updated hint for Paste command to indicate it can also paste path and session URL.
Command Server/Protocol Information moved to Session menu and session tab context menu.
Warning when trying to edit large files in an internal editor. 1120
After site import, selecting the first imported site in site tree on Login dialog.
Close buttons on progress windows cancel operation.
When collecting synchronization list for directory fails, allow skipping an error and continuing. 1132
Close session tab on middle mouse click. 1133
Using Yes/No buttons on “Cancel …” prompts instead of ambiguous OK/Cancel buttons.
Translating common Linux-PAM keyboard-interactive “Password:” prompt. 1135
Showing queue status information balloons also when application in minimized.
Information-only notification balloons distinguish main information.
Session option Chokes on WinSCP’s SSH-2 ‘winadj’ requests made configurable. 1139
Improved drive list updating:
- Preventing stale network drives from slowing or completely halting main window opening.
- Bug fix: CD/DVD label was not shown on Windows Vista and newer.
- Bug fix: CD/DVD label was not updated when media was changed.
Showing background transfer queue list toolbar by default
Widening default Explorer interface window to fit all background transfer queue list columns.
Removed useless trailing accelerator appendixes from toolbar button labels (typical for East Asian languages).
Indicating when reading directory with SFTP protocol takes long because of resolving symbolic links. 1149
Setup explains that application restart is needed to replace Drag&drop shell extension. 1150
Using “<none>” instead of “<root>” on Save session as site dialog to indicate that site is not stored in folder.
Moved Delete local files to recycle bin checkbox in Preferences to Panels > Local page
Presenting Directory size calculation progress as indeterminate on progress bar of Progress window.
When saving current session as site, duplicating current session and opening current session in PuTTY, considering even username and password entered during authentication.
Showing status for valid FTP over TLS certificates on Server and Protocol information dialog.
Showing at least untranslated certificate error description from OpenSSL library for rare FTP over TLS certificate errors.
Caching FTP certificates per site.
Requiring FTP certificate revalidation when rejection reason changes.
Showing notification balloon when error is suspended by Continue on error option.
Not saving tunnel password if password saving is not explicitly confirmed.
Offering saving a site when leaving site editor. 1174
Offering saving site when closing Login dialog while editing. 1175
Improved verification of FTP TLS/SSL certificates against system Trusted Root Certification Authorities. 1063
Use MLSD command for directory listing affects also use of MLST command. 1181
Consistently using Target remote path label on Duplicate and Move dialogs to indicate that the box includes also target file name, not only target directory.
Using an actual file name on Duplicate and Move dialogs instead of *.* when transferring a single file only. 1182
Widened Duplicate and Move dialogs.
Keyboard shortcut Ctrl+Alt+F for Filter command. 929
Beep when work finishes applies also to emptying background transfer queue. 697
Drop down arrow added to Encoding drop down menu on Internal editor toolbar.
Workaround for ProFTPD/mod_sftp bug in SFTP space-available packet. 1184
Using Reverses Order of Symlink Command Arguments workaround for ProFTPD/mod_sftp. 1185
Bug fix: If an INI file name is exactly winscp.ini, an INI file path on Preferences dialog is shown incorrectly.
Bug fix: Tunnel password saving confirmation was repeatedly required when saving edited site, when there was no main session password.
Bug fix: Not printing “Reading remote directory” while opening session, when directory is not actually read (in scripting particularly).
Bug fix: Not including @ in logged masked URL when there is no username/password in the URL.
Bug fix: Potential failure when resolving folder attributes for local folder tree display.
Bug fix: Error was silently ignored when synchronizing local file timestamp failed.
Bug fix: Failure when starting in a restricted environment (such as Microsoft Azure WebSite/WebJob). 1215

5.5.7 (not released yet)

2014-11-28

Back-propagated some improvements and fixes from 5.6.3 and 5.6.4 beta releases:
- Added an -explicit switch of an open command as an alias to an -explicittls for a forward compatibility with 5.6.x.
- Bug fix: The last file upload before creating a remote directory is not reported with .NET assembly. 1238
- Bug fix: Reason not given when FTP upload fails because local file attributes cannot be retrieved. 1250
- Bug fix: FTP upload fails when volume information for local drive cannot be retrieved. 1251

5.5.6 (hotfix)

2014-10-16

Back-propagated some improvements and fixes from 5.6.2 beta release:
- TLS/SSL core upgraded to OpenSSL 1.0.1j. Fixing several security defects.
- Bug fix: When opening a session from command-line in scripting failure is randomly reported. 1210
- Bug fix: Cannot retrieve file from current folder of FTP server in scripting. 1222
- SSL 3.0 disabled by default, to protect from SSL vulnerabilities, such as CVE-2014-3566 (POODLE).

5.5.5 (hotfix)

2014-08-21

Back-propagated some improvements and fixes from 5.6 - 5.6.2 beta releases:
- TLS/SSL core upgraded to OpenSSL 1.0.1i. Fixing several moderate severity security defects.
- Workaround for ProFTPD/mod_sftp bug in SFTP space-available packet. 1184
- Using Reverses Order of Symlink Command Arguments workaround for ProFTPD/mod_sftp. 1185
- Workaround for Vandyke VShell incorrect announcement of checksum calculation support. 1190
- Improved detection if user shall be offered external editor auto configuration.
- Showing error details when logging to a file fails. 1198
- Bug fix: If an INI file name is exactly winscp.ini, an INI file path on Preferences dialog is shown incorrectly.
- Bug fix: Failure when processing results of upload in .NET assembly when a directory was created with explicitly set permissions as the first operation. 1188
- Bug fix: Keyboard accelerators to mask boxes on Edit file mask dialog were not working.
- Bug fix: Not possible to select/enter file name with Unicode characters in filename input boxes. 1195
- Bug fix: Wrong “Timeout detected” message when FTP control connection is closed while transferring a file. 1197
- Bug fix: Cannot retrieve file from root folder of FTP server. 1199
- Bug fix: Mouse cursor of file list/directory tree splitter is not adjusted when Show directory tree left of file list preference option is enabled. 1200

5.5.4

2014-06-10

TLS/SSL core upgraded to OpenSSL 1.0.1h. It fixes CVE-2014-0224 vulnerability among other.
Added SessionOptions.TimeoutInMilliseconds as an alternative to SessionOptions.Timeout that can be used from COM hosts not supporting 64-bit integers (such as VBA). 1156
Support for size and time constraints in wildcard parameter of ls command. 1157
Using Documents and Desktop subfolders of home directory, if exist, as “Document” and “Desktop” folders under Wine.
Incremental site search is case sensitive when search text includes any capital letter. 1163
Support OS.unix=symlink designation of symbolic links in MLSD listing. 1167
Bug fix: Show inaccessible directories option was incorrectly hiding folders from root. 1155
Bug fix: Sorting by type is not consistent between local and remote panel. 1158
Bug fix: Passphrase prompt is missing an option to remember it for the duration of a session. 1159
Bug fix: During command-line operation, hidden main window is incorrectly shown when restoring application from tray. 1160
Bug fix: Mouse range selection does not start from focused file after passive panel directory reload. 1161
Bug fix: SynchronizationCriteria.None and SynchronizationCriteria.Either are not working. 1162
Bug fix: Invalid proxy autodetection when system Internet Option Use the same proxy for all protocols is turned off. 1171
Bug fix: Error when using source path ending with backslash with put command.
Bug fix: Some certificate errors did not show any description.
Bug fix: When remembering session password is enabled, stored password is used twice, even for two distinct consecutive keyboard-interactive prompts. 1176
Bug fix: FTP proxy session setting is not logged. 1177
Bug fix: Failure when current local directory is deleted while no session is opened. 1178
Bug fix: Connection attempt could not be canceled. 1179
Bug fix: Tree of current directory on network drive is not refreshed. 1180
Bug fix: Number of filtered local directories were not shown in status bar.
Bug fix: Wrong reason is given when checking for application updates fail.

5.5.3

2014-04-14

TLS/SSL core upgraded to OpenSSL 1.0.1g. It fixes CVE-2014-0160 vulnerability (Heartbleed bug) among other. 1151
Auto-recognition of RSA padding bug for ProFTPD. 1091
On Windows XP, Save As button replaced with Save when editing site.
Improvements for running under Wine:
- Using Wine home (Z:\home\%USERNAME%\) as documents folder.
- Hiding stub animation on Progress window on Wine.
- Workaround for list view bug in Wine. Wine Bug 35945
Alternate delete on Shift-Click on Delete command in file context menu. 1154
Bug fix: Directory reading progress is not shown on taskbar button. 1148
Bug fix: Hint was popping up on file panel path label even when full path was visible whenever filter was active.
Bug fix: Site colors were lost on Login dialog after language change.
Bug fix: New site data were not reset after saving.
Bug fix: Server hostname is not verified against certificate common name (or subject alternative name). 1152
Bug fix: Help page was not defined for Panels > Local page of Preferences dialog.

5.5.2

2014-03-20

Cloning site without hostname when Enter key is pressed. 1115
Preventing “Message too long to send to external console” error. 1121
When listing local files during operation fails, including path into error message. 1131
NuGet package for .NET assembly. 1145
Bug fix: Prompt to import sites was not skipped during silent install. 1112
Bug fix: Transfer settings speed limit does not apply. 1114
Bug fix: Edited file is reloaded from active session, not from original session. 603
Bug fix: Caption of New Site node on Login dialog is not translated when language is changed.
Bug fix: Error on every even opening/editing of remote file while having New and updated files only option set as default. 1118
Bug fix: Incorrect Login dialog placement when application was closed on non-primary monitor above or to the left of primary monitor. 1119
Bug fix: In countries that changed timezone, file times before the change were set wrong for downloaded files. 1122
Bug fix: Incorrect handling of remote files ending with dot with FTP protocol. 1128
Bug fix: Speed limit of waiting background transfer shows incorrect value and cannot be changed. 1129
Bug fix: Selecting private key file with space in path yields error message when submitting Advanced Site Settings dialog. 1130
Bug fix: .NET assembly Session.FileTransferProgress is not included in COM event sink. 1134
Bug fix: When main window was restored from notification area while message box was displayed, main window could receive focus.
Bug fix: Notification balloons showing transfer configuration/error were showing ** markup.
Bug fix: When minimized, message boxes were popping up on foreground.
Bug fix: Main menu accelerators are not working. 1143
Bug fix: Scaled-down version of 32×32 icon was used in task bar notification area instead of 16×16 icon. 1144
Bug fix: Failure when ending Windows session when main window is minimized.
Bug fix: Occasional failure when run from Session 0. 1146
Bug fix: Timeout while trying to resume upload with FTP protocol. Thanks to Michael Lukashov.
Bug fix: With FTP protocol Set permissions transfer setting was incorrectly enabled for synchronization in Both mode.

5.5.1

2014-01-21

TLS/SSL core upgraded to OpenSSL 1.0.1f.
Showing delayed Progress window before any message box is displayed
Usability improvements to new Login dialog:
- Consistently using Save caption for save button, even for new sites.
- Using de-facto standard accelerator A for Save As command (also removes duplicity with Save command).
- Explicit keyboard shortcut Alt+A for Save As command. 1006
- When saving cloned site, offer folder and name (with unique suffix) of original site. 1105
- Cloning to a new site when double-clicking site without host name specified. 1100
Selecting tab to the right after closing tab. 1102
When externally opening additional session in existing instance of WinSCP, bringing its window to front. 1098
Using same accelerator for Upload and Download commands
Default transfer setting preset can be duplicated.
Temporarily suspending countdown when moving mouse over message box with “timeout” button. 1107
Showing name of folder being calculated on Progress window before the calculation starts, not only after it has finished.
Widening default Progress column of background transfer queue list to fit “Connecting…” and “Calculating…” states.
Bug fix: Progress window is not shown for custom command launching long-lasting external process. 1101
Bug fix: Swapped local and remote Root directory command buttons. 1097
Bug fix: Drag&Drop menu on local panel loses focus when a change is detected in local drive. 1103
Bug fix: Duplicate accelerator between Edit and Download and Delete commands 1104 and Download and Delete.
Bug fix: Repeated attempt to immediately start “Keeping remote directory up to date” when prompt to perform prior full synchronization is canceled with /keepuptodate /defaults.
Bug fix: Preferred main window size is lost after command-line operation.
Bug fix: Invalid decoding of session URL with sequence of encoded characters that includes + or % encoded character on second or later place in the sequence. 1108
Bug fix: Background transfer queue progress was shown on main window title, when a dialog box was opened on top of it.
Bug fix: Some hint labels did not fit their caption, particularly with long translations.
Bug fix: Compare directory criterions do not save. 1110

Users upgrading from WinSCP 5.1.8 can read more at WinSCP 5.5 - What’s New?.

5.5

2013-12-19

Distinguishing main question/information of even more messages.
Detecting symbolic link loops when finding files. 1093
Remembering Synchronized browsing state with site only when Remember last used directory is enabled. 963
New installer icon.
Visualizing instant operations (such as copying data to clipboard or creating a desktop shortcut) with hourglass mouse cursor.
Showing full path to an INI file on Preferences dialog.
Not allowing to switch from /ini=nul configuration storage to avoid data loss.
Improved display of lists on Server and protocol information dialog.
Bug fix: During reconnect user was prompted with password even when password was remembered already.
Bug fix: Option to remember password for session was not working for authentication of background transfers and separate shell sessions.
Bug fix: Removing BOM on text mode FTP uploads was unconditional. 1096

Users upgrading from WinSCP 5.1.8 can read more at WinSCP 5.5 - What’s New?.

5.2.7 RC

2013-11-26

Support for proprietary SFTP extension statvfs@openssh.com to check disk space usage.
Not requiring Windows nor Windows Explorer restart when new version uses the same or older version of Drag&Drop shell extension than existing one.
It’s possible to Login/Open a site in PuTTY in a new window without closing Login dialog. 1086
Using theme instruction font for message texts.
Listing new/empty site folders on Save session as site dialog. 1089
Increasing number of items shown in drop down lists of some combo boxes.
Consistently logging modification time and size of every transferred file.
System error message is shown when changing local working directory fails in scripting. 1087
Added host name to some connection related error messages.
Canceling site editing when the site is dragged.
Allowing Enter and Esc keys on site list of folder/workspace view on Login dialog.
Improved error messages related to drag&drop shell extension.
Bug fix: Failure when closing Windows session.
Bug fix: Environment variables were not expanded in site hostname and username in rare cases.
Bug fix: It was not possible to skip error listing local directory during operation. 1090
Bug fix: Some messages containing & were shown incomplete.
Bug fix: FTPS upload over proxy truncates files. 1092

5.2.6 beta

2013-11-14

Improved registration for URL protocols:
- WinSCP registers itself with Default Programs control panel for protocol URLS sftp://, scp://, ftp:// and ftps:// on Windows Vista and newer. 50
- WinSCP handles application specific protocol URLs winscp-sftp://, winscp-scp://, winscp-ftp:// and winscp-ftps://.
- It is possible to remove protocol registration from Preferences.
- It is possible to open Default Programs control panel for WinSCP from Preferences.
- When registering machine-wide, current-user-specific registration that would shadow it is removed.
New icons for Move to and Duplicate commands and dialogs.
Keyboard shortcut to open site in PuTTY on Login dialog. 1079
When saving session opened from SFTP/SCP URL with host key fingerprint, the host key is saved to cache.
Improved distinguishing main question of master-password related message boxes.
Removed icon from Quit command in menus.
Not adding UTF-8 BOM to files edited in an Internal editor. 1081
For FTP sessions over implicit TLS/SSL, Copy URL to Clipboard command uses ftps:// protocol.
Support FTP servers that require TLS/SSL handshake on transfer connection before responding 1yz to STOR/APPE. 1084
Bug fix: Failure when connecting through SSH tunnel. 1076
Bug fix: Failure on start when any site has proxy or tunnel password protected with master password. 1077
Bug fix: Failure when disconnecting a session.
Bug fix: Failure during some operations in FTP over TLS/SSL session. 1078
Bug fix: When saving site from SFTP/SCP URL, the saved site was not pre-selected on the Login dialog, unless the URL contained host key fingerprint.
Bug fix: Failure when selecting SSH private key. 1080
Bug fix: Time-based SSH key re-exchange does not work. 1082
Bug fix: Passwords are lost when any raw session settings is specified in scripting or command-line. 1083

5.2.5 beta

2013-10-24

Distinguishing main question of a message box. 46
Session can be opened in PuTTY from Login dialog. 190
Improved working with session colors:
- Better standard color set (16 less saturated colors).
- Remembering recently used custom colors.
- Drop down color selector on Advanced site settings dialog.
- Custom colors can be modified on standard Color dialog.
- Option Default (color) renamed to No Color.
- Bug fix: Color of a directory tree border was not updated in some cases.
Change: Using UTF-8 for strings (such as file names) with SFTP protocol by default even for version 3 and lower. 1072
Offering to upload edited/opened file using another session to the same site, if original session was closed. 1042
Support for FTP servers with Windows-like paths. 1074
Option to create a site desktop shortcut on Save Session as Site dialog.
Verifying TLS/SSL certificates against system Trusted Root Certification Authorities. 1063
Command to clone site settings to a new site. 1069
Automatically saving opened workspace. 1029
Not showing Progress window for operations shorter than 200ms.
Change: Removing BOM/EOF marks on text mode uploads is configurable and disabled by default. 842
Showing total progress for non-recursive transfers even when Calculate total size transfer settings is turned off. 1040
Support for Diffie-Hellman group exchange with SHA-256. 1067
SSH core upgraded to PuTTY 0.63 and further to the latest development snapshot (2013-10-09, r10049). It brings following changes:
- SSH_MSG_UNIMPLEMENTED in response to SSH_MSG_KEXINIT is ignored. kexinit-unimplemented
- Support for HMAC-SHA-256 as an SSH-2 MAC algorithm (hmac-sha2-256).
- Bug fix: If the host key isn’t saved, rekeys cause another warning. hostkey-rekey
- Many other small bug fixes.
New Site icon on Login dialog and Session tabs.
New Open Directory/Location profiles dialog icons.
Command to delete all completed queue items.
Improvements to session URL syntax:
- Support for SSH host key fingerprint specification in session URL using connection parameter fingerprint defined by draft-ietf-secsh-scp-sftp-ssh-uri. 93
- URL session parameter save to initiate site saving.
- Change: Symbol ; has special meaning in session URL (due to the above changes) and has to be URL-encoded when used as a literal.
- Change: UTF-8 encoded characters in session URL are supported. 1062
Detecting Drag&drop shell extension on 64-bit systems. 20
Logging warning when system option Automatically adjust clock for Daylight Saving Time is disabled.
Bringing an application into foreground, when opening session from commandline and/or from jumplist in existing WinSCP instance.
More command and dialog icons.
Showing window and application name on Internal editor window caption.
Improved layout of message boxes.
Showing tree lines on site tree on Login dialog.
Tolerating invalid local file timestamps. 1064
Pattern !U in Custom command and PuTTY path works even with password entered only during authentication.
Do not include information about inability to test, if server IP address is routable, into error messages.
Warning that editing is in progress when double-clicking edited site on Login dialog.
Drop down menu is never narrower than its button.
Not allowing operations on focused-only file, when focus is not visible (application does not have focus). 1050
Bug fix: Failure to run WinSCP or open session with .NET assembly after frequent scheduled use. 996
Bug fix: Up to one second delay for transfer of every file with FTP over TLS/SSL. 1058
Bug fix: Rare incorrect conversion of line endings. 1059
Bug fix: Timestamps of local files are not shifted when DST starts/finishes on Windows 2008 R2. 1060
Bug fix: Failure when validating/executing custom command ending with ! pattern.
Bug fix: File name was not shown on Progress window when deleting local files.
Bug fix: Stray folders on initially inactive page of Location profiles dialog. 1094
Bug fix: Failure when excessive session timeout or keepalive interval is configured. 1065
Bug fix: Incorrect Login dialog placement when application was closed on non-primary monitor. 1066
Bug fix: When saving new site with the same generated name as an existing saved site, an overwrite configuration was not requested.
Bug fix: Error when downloading empty file/directory using FTPS via proxy. 1068
Bug fix: Wrong icon for Enable Queue Processing command.
Bug fix: Suspend All and Resume all queue commands were not working unless any queue item had focus.
Bug fix: It was not possible to drag a site to a root folder on Login dialog.
Bug fix: Wrong check for presence of GSSAPI/SSPI on Advanced Site Settings dialog.
Bug fix: When remote directory was not opened using directory tree, a node of the opened directory was not expanded.
Bug fix: Local custom commands working with both local and remote files were disabled when file in passive panel was focused only (not selected). 1071
Bug fix: Size of externally removed local selected files is detracted twice from total file size of selected files shown on status bar. 1073
Bug fix: When some of master-password protected passwords became undecryptable, Sites and Workspaces menus could not be opened.

5.2.4 beta

2013-09-16

Improved and fixes for large font/high DPI environments:
- Windows and panel size configuration (including default configuration) scales with DPI.
- Using native “Segoe UI” dialog font in Windows Vista and later.
- Changing Internal editor and Console window font to “Lucida Console” (Windows 7 and older) or “Consolas” (Windows 8 and newer).
- Using icon font for file panels/lists, directory trees, path labels, status bars, message boxes and other controls throughout the application.
- Saving preferred editor font in points, rather than pixels.
- File panels respond to changes of system icon font.
- Using native scaling even for scales above 120%/125 DPI.
- Using Windows native scalable mouse cursors for splitters.
- Bug fix: Path labels on Commander interface were using different font than the rest of the window.
- Bug fix: Status bars on some windows did not resize for large fonts.
- Bug fix: Some images were not centered.
- Bug fix: Many dialogs were incorrectly resized for large fonts.
Redesigning message boxes after Windows task dialogs.
Reusing TLS/SSL session ID is configurable.
Upgraded private key tools (PuTTYgen and Pageant) to 0.63. 1039
Not allowing operations on focused-only file, when focus is not visible (panel does not have focus). 1050
Aligning file information on Overwrite confirmation dialog. 1049
Improved placement and effects of drop down menus.
Showing Proxy settings box on Advanced Site Settings dialog for SFTP/SCP protocols only.
Empty queue notification can be clicked to restore/activate application, respective session and transfer queue list
Showing file name in error message when deleting of auxiliary local files fails.
Configuration is saved after submitting Preferences dialog (this among other warns user when configuration storage is not writable). 667
Opening update information, when clicking update notification balloon. 1047
Widening default Changed columns width to accommodate AM/PM suffixes.
Hiding Group column by default also in Explorer interface.
Not asking for exit confirmation when Windows session is closing.
Reporting connection errors on FTP transfer failure.
Do not include confusing FTP server’s intermediate and success responses into error messages.
Ctrl+Space shortcut for toggling selection of focused file works in Commander-style selection mode.
Message box width is limited.
Widened some forms and controls to make space for translation into languages with longer words, such as German.
Reduced chance of collision in .NET assembly session instance name in multi-threaded applications. 1055
Allowing button selection using Left/Right keys on message boxes with drop down menus. 1054
Bug fix: Back-propagated SSH security and memory-leak fixes from PuTTY 0.63. 1039 vuln-modmul vuln-bignum-division-by-zero private-key-not-wiped
Bug fix: Failure when opening the first session with Automatically open new session in PuTTY enabled. 1037
Bug fix: Login dialog got corrupted when changing language on systems with Windows XP style font scaling enabled. Worked-around by disabling runtime language change on such systems. 1038
Bug fix: Dialog boxes were incorrectly considered as submitted when Windows session was closing, causing failures or validation errors, preventing the Windows session from actually closing.
Bug fix: On failure to overwrite local file (e.g. due to permissions), error “The system cannot find the file specified” was shown instead of the actual cause.
Bug fix: Console input/output was not using UTF-8 encoding on Windows 8.
Bug fix: Connection gets aborted when TLS/SSL certificate uses ASN.1 GeneralizedTime format. 1044
Bug fix: Connection gets aborted without any feedback when TLS/SSL certificate cannot be decoded.
Bug fix: Failure when send buffer of FTP connection is temporarily full.
Bug fix: External changes to local directory are sometimes not shown on the local panel.
Bug fix: WinSCP child process was not terminated when process using WinSCP .NET assembly crashed. 1045
Bug fix: Edit toolbar buttons were not disabled when only directories were selected.
Bug fix: When changing configuration storage failed (such as when an INI file could not be removed), storage state on Preferences dialog is not rolled back and some of the other changes to preferences were lost.
Bug fix: For various errors when cleaning up application configuration, a resource number was shown instead of an actual error message.
Bug fix: Failure while (or after) creating directory during synchronized browsing. 1046
Bug fix: Context menu was popping up after new session was opened when New Session tab was right-clicked.
Bug fix: Notification about empty transfer queue was not shown.
Bug fix: Wrong detection of Windows Server 2008 R2 for purposes of timestamp conversion in respect to DST.
Bug fix: Directory listing was included in transfer error messages with FTP protocol.
Bug fix: Directory masks in autoselection rule of transfer settings preset were not working.
Bug fix: “Never show again” checkbox on information only messages boxes was wrongly labeled “Never ask again”.
Bug fix: Failure when manipulating location profiles folders. 1052
Bug fix: Allow SCP fallback session option was not preserved. 1053
Bug fix: Hostname and Username masks in autoselection rule of transfer settings preset were not working.

5.1.8 (hotfix)

2013-12-04

Back-propagated some improvements and fixes from 5.2.4 beta - 5.2.7 RC releases:
- Logging warning when system option Automatically adjust clock for Daylight Saving Time is disabled.
- Reduced chance of collision in .NET assembly session instance name in multi-threaded applications. 1055
- Bug fix: Console input/output was not using UTF-8 encoding on Windows 8.
- Bug fix: Connection gets aborted when TLS/SSL certificate uses ASN.1 GeneralizedTime format. 1044
- Bug fix: Connection gets aborted without any feedback when TLS/SSL certificate cannot be decoded.
- Bug fix: Failure when send buffer of FTP connection is temporarily full.
- Bug fix: External changes to local directory are sometimes not shown on the local panel.
- Bug fix: WinSCP child process was not terminated when process using WinSCP .NET assembly crashed. 1045
- Bug fix: For various errors when cleaning up application configuration, a resource number was shown instead of an actual error message.
- Bug fix: Directory listing was included in transfer error messages with FTP protocol.
- Bug fix: Failure while (or after) creating directory during synchronized browsing. 1046
- Bug fix: Directory masks in autoselection rule of transfer settings preset were not working.
- Bug fix: Failure when manipulating location profiles folders. 1052
- Bug fix: Up to one second delay for transfer of every file with FTP over TLS/SSL. 1058
- Bug fix: Rare incorrect conversion of line endings. 1059
- Bug fix: Timestamps of local files are not shifted when DST starts/finishes on Windows 2008 R2. 1060
- Bug fix: File name was not shown on Progress window when deleting local files.
- Bug fix: Error when downloading empty file/directory using FTPS via proxy. 1068
- Bug fix: Suspend All and Resume all queue commands were not working unless any queue item had focus.
- Bug fix: Color of a directory tree border was not updated in some cases.
- Bug fix: Size of externally removed local selected files is detracted twice from total file size of selected files shown on status bar. 1073
- Bug fix: Failure when disconnecting a session.
- Bug fix: FTPS upload over proxy truncates files. 1092