Recent Version History

• Translations completed: Belarusian, Czech, Finnish, Italian, Japanese, Korean, Norwegian, Polish, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Tamil and Turkish.
• Small GUI improvements.
• Bug fix: Some parts of UI are not localized. 2346

• Synchronization actions can be pushed to background queue. 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).
• 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.
• SSH core upgraded to pre-release snapshot of PuTTY 0.83 (2025-01-03.1e45199). It brings the following change:
  • Implement the post-quantum ML-KEM key encapsulation method. ml-kem
• SSH private key tools (PuTTYgen and Pageant) upgraded to PuTTY 0.82.
• Command-line interface for installing public key into server. 2342
• Installer upgraded to Inno Setup 6.4.0.
• Thumbnails for WebP images. 2336
• Change: Finding WinSCP.exe in a process path if a .NET assembly assembly path is unknown (before looking into an installation folder). 2339
• WebDAV/HTTP core upgraded to neon 0.34.0.
• Better error message when trying to open an inaccessible local drive (such as locked BitLocker drive).
• https:// URL to S3 API at oraclecloud.com is interpreted as S3 protocol, instead of WebDAV.
• AWS metadata service connection timeout is by default one second and AWS_METADATA_SERVICE_TIMEOUT is respected.
• 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. 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. 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. 1870
• Bug fix: Failure when opening two SSH sessions at the same time. 2334
• Bug fix: Tunneled session password is not remembered. 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. 2338
• Bug fix: Stray set command in source code package build script. 2340
• Bug fix: Duplicate shortcut key in local Open directory window for shared bookmarks. 710
• Bug fix: Source code package build script exits parent cmd console on error. 2341
• Bug fix: Command to “Install public key into server” was enabled, even when no hostname was specified

• IDE upgraded to Embarcadero C++Builder 11. 618
• Change: Dropped support for Windows XP and Windows Vista. Minimal supported version is Windows 7.
• Improvements to Synchronization checklist window:
  • Command to find Move candidate.
  • 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.
  • Added Calculate All command.
  • Added a keyboard shortcut to Calculate command.
  • Move command can be used with long local paths.
• Compatibility with new OneDrive WebDAV interface. 2321
• Optimized loading of file panels when switching between tabs with different filters. 2315
• Optimized browsing deep local directory trees.
• XML parser upgraded to Expat 2.6.3.
• Including PuTTY and OpenSSL versions in /info.
• Added new ap-southeast-5 AWS region.
• Gracefully handling invalid Unicode characters FFFF and FFFE in filenames in .NET assembly. 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. 2319
• Bug fix: Shift+Ctrl+P keyboard shortcut on Login dialog to open site in PuTTY without closing the dialog does not work. 2320
• Bug fix: Failure when opening TLS connection with invalid OpenSSL configuration file. 2327
• Bug fix: Rare incorrect conversion of line endings when downloading. 2324
• Bug fix: Hang when creating temporary files with temporary folder on locked drive. 2328

• Thumbnail view in file panels. 912
• Three selectable sizes of toolbar icons, showing slightly larger size by default. 2147
• Optimized working with large local directories: 2264
  • Loading large directory trees on the background.
  • Hidden directory trees are loaded only in the background.
  • Optimizing directory loading by checking existence of subfolders on the background.
  • Optimized reading directories for file panel.
  • Optimized browsing within directory tree with lots of subfolders.
• Dark theme for session tabs. 1806
• Improvements to AWS/S3 authentication and configuration handling:
  • Allowed assuming IAM role. 2249
  • Credential profiles in .aws/config file are also recognized.
  • Preferring configuration file defined using an environment variable over the default one.
  • Only profiles that contain both aws_access_key_id and aws_secret_access_key are listed on the Login dialog
  • Bug fix: The .aws/credentials file path was resolved using AWS_CONFIG_FILE environment variable instead of correct AWS_SHARED_CREDENTIALS_FILE.
• Incremental search improvements:
  • Search panel pops up on Ctrl+F to make the function easier to find. 2281
  • Layout of search panel on Login dialog improved.
  • Search options context menu added to the search panel on Login dialog.
• Remembering panel scroll position when switching tabs or refreshing. 1057
• Search for Preferences options.
• TLS/SSL core upgraded to OpenSSL 3.3.2.
• Site import from an INI file. 2290
• Preserve timestamp when duplicating remote file using SFTP extension copy-data (OpenSSH). 2307
• Changing caret position on the first click on an inactive editor window. 2304
• Change: Limiting SFTP version to 3 with non-well-known SFTP servers as a workaround for interoperability issues. 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. 2277
• Optionally disabled smooth scrolling in an internal editor. 128
• Prevented redrawing scrollbars when loading remote directory tree. 2313
• Open window maximized when closed while minimized from maximized state. 2305
• Compatibility with FTP servers that return an empty path in root. 2300
• Ignoring WebDAV PROPFIND result entries that do not belong to the requested directory. 2312
• Optionally following NoViewOnDrive policy. 2310
• Recognizing matching Azure certificate files. 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. 2286
• Bug fix: Tree indentation does not scale correctly. 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. 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. 2301
• Bug fix: Caption of permissions group labels disappears when hovered over on Windows 11.

• Translation completed: Belarusian.
• 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. 2334
  • Bug fix: Tunneled session password is not remembered. 2335
  • Bug fix: Stray set command in source code package build script. 2340
  • Bug fix: Source code package build script exits parent cmd console on error. 2341

• Back-propagated improvements and fixes from 6.4.1 beta and 6.4.2 beta releases:
  • Compatibility with new OneDrive WebDAV interface. 2321
  • XML parser upgraded to Expat 2.6.3.
  • Added new ap-southeast-5 AWS region.
  • Bug fix: After delete operation is moved to background, some operations (notably editing) do not work anymore. 2319
  • Bug fix: Shift+Ctrl+P keyboard shortcut on Login dialog to open site in PuTTY without closing the dialog does not work. 2320
  • Bug fix: Hang when trying to open an inaccessible drive from drive drop down menu.
• Translations completed: Danish, and updated: Belarusian.

• TLS/SSL core upgraded to OpenSSL 3.2.3.
• XML parser upgraded to Expat 2.6.3.
• Better error message when server is using incompatible TLS protocol version. 2299
• Translations updated: Belarusian and Finnish.
• Bug fix: Incorrect “Credentials were not specified” error when authentication fails due to incorrect password with FTP protocol. 2302
• Bug fix: Stall when switching from S3 to other protocol on Login dialog on some networks. 2309

• TLS/SSL core upgraded to OpenSSL 3.2.2.
• Translations updated: Belarusian, Danish and Russian.
• Standalone executable installer can run over corrupted MSI installation. 2294
• Support for up-to 16KB WebDAV cookies. 2289
• Bug fix: Failure when trying to automate file synchronization by checksum on an SFTP server that does not support it natively. 2291
• Bug fix: Remote panel does not refresh after “ZIP and Upload”. 2292

• SSH core and SSH private key tools (PuTTYgen and Pageant) upgraded to PuTTY 0.81.
  It brings the following change:
  • Security fix for CVE-2024-31497: NIST P521/ecdsa-sha2-nistp521 signatures are no longer generated with biased values of k. The previous bias compromises private keys. 2285 vuln-p521-bias
• Translation updated: Belarusian.
• XML parser upgraded to Expat 2.6.2.
• Support for TortoiseMerge in Compare Files extension. 2279
• Bug fix: File panel does not have focus after Login in Explorer interface. 2276
• Bug fix: Failure when closing the last remote tab. 2283
• Bug fix: Copy and paste to another application in Store installation sometimes does not work. 2284

• Translation updated: Belarusian.
• XML parser upgraded to Expat 2.6.1.
• Optimized startup when right panel local directory tree is not visible.
• Workaround for SFTP servers (Cisco) which omit message field from status response. 2272
• Bug fix: Password pipe cannot be used to open a session in an existing instance. 2265
• Bug fix: Hang when canceling connection while reading remote directory. 2266
• Bug fix: Failure when canceling FTP connection while reading remote directory. 2267
• Bug fix: Cannot start on Windows XP. 2268
• Bug fix: Installation hangs when adding installation path to search path when executed in session 0. 2270
• Bug fix: Misplaced stored site use warning in scripting when session name is specified. 2271
• Bug fix: Correcting neon version in About box and logs.

• Translation completed: Norwegian.
• Bug fix: Badly encoded SFTP packet when renaming a file using SFTP version 5 and newer. 2259
• Bug fix: Failure when trying to synchronize files by checksum on server that does not support it. 2260
• Bug fix: Random hang/failure when closing FTP TLS 1.3 connection. 2261
• Bug fix: Cannot use IPv6 literal as hostname on Login dialog. 2263

• XML parser upgraded to Expat 2.6.0.
• Bug fix: Hang when prompt pops up while SFTP session is being reconnected. 2258

• Translations completed: Farsi, French, Japanese, Spanish and Traditional Chinese.
• TLS/SSL core upgraded to OpenSSL 3.2.1.
• WebDAV/HTTP core upgraded to neon 0.33.0.
• Bug fix: Failure when trying to upload file using double-click over disconnected session. 2254
• Bug fix: Failure after long frequent use of session tabs. 2255
• Bug fix: New tab icon is drawn incorrectly on Explorer interface with Show selective text labels turned off. 2257
• Bug fix: Failure when switching to another application while new session is being opened using New Tab tab. 2251

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