Fix issue #463: Don't add a missing XML declaration on save.
Fix issue #460: Remove formatting for XML elements that are not allowed to contain whitespace (XSD Schema content model is Empty, Mixed, or TextOnly).

Releases Notes for 29.3.0

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• #2306 , #2307
• Uses electron 38.7.2. Support for macOS 11 is now end of life.
• Updates to draw.io core 29.3.0. 29.3.0 are added in this build.

Releases Notes for 29.2.9

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• #1745 , #1229
• Uses electron 38.7.2. Support for macOS 11 is now end of life.
• Updates to draw.io core 29.2.9. All changes from 29.0.4 to 29.2.9 are added in this build.

Releases Notes for 29.0.3

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• Uses electron 38.7.0. Support for macOS 11 is now end of life.
• Updates to draw.io core 29.0.3. All changes from 29.0.0 to 29.0.3 are added in this build.

Releases Notes for 28.2.7

Windows Installer
Windows No Installer (zip)
macOS - Universal

Windows intel x32 releases are marked -ia32-

ChangeLog:

• #2219 , #2190 , #2176 , #2214 , #2209
• Uses electron 37.7.1
• Updates to draw.io core 28.2.7. All changes from 28.2.6 to 28.2.7 are added in this build.

Releases Notes for 28.2.8

Windows Installer
Windows No Installer (zip)
macOS - Universal

Windows intel x32 releases are marked -ia32-

ChangeLog:

• #2233 , #2221 , #2227
• Uses electron 38.4.0. Support for macOS 11 is now end of life.
• Updates to draw.io core 28.2.8. All changes from 28.2.8 are added in this build.

Releases Notes for 28.2.5

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• Uses electron 37.6.1
• #1837 , #2213 , #2209 ,
• Updates to draw.io core 28.2.5. All changes from 28.1.3 to 28.2.5 are added in this build.

Releases Notes for 28.1.2

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• Uses electron 37.2.3
• Security fix in node-tmp
• Updates to draw.io core 28.1.2. All changes from 28.0.7 to 28.1.2 are added in this build.

Releases Notes for 28.0.6

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• Update for CVE-2025-7783 fix. We can't see any way to use this in a desktop tool, but we have to release because it's critical and SOC status will blink red somewhere.
• Updates to draw.io core 28.0.6
• Uses electron 37.2.3
• Updates to draw.io core 28.0.6. All changes from 28.0.5 to 28.0.6 are added in this build.

Releases Notes for 28.0.4

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• Fixes PDF title [#2130]
• Uses electron 37.2.1
• Updates to draw.io core 28.0.4. All changes from 27.1.0 to 28.0.4 are added in this build.

Changes from 2.5.6 to 2.6.0:

Updates:

• Updated LAV Filters to version 0.80-14-gb6959
• Updated MPC Video Renderer to version 0.9.19.2490

Fixes:

• Several small fixes and improvements.

 The Stable channel has been updated to 144.0.7559.59 for Windows and Mac as part of our early stable release to a small percentage of users. A full list of changes in this build is available in the log.

 The Extended Stable channel has been updated to 142.0.7444.265 for Windows and Mac which will roll out over the coming days/weeks.

The Stable channel has been updated to 143.0.7499.192/.193 for Windows/Mac  and 143.0.7499.192 for Linux, which will roll out over the coming days/weeks. A full list of changes in this build is available in the Log.

Security Fixes and Rewards

Note: Access to bug details and links may be kept restricted until a majority of users are updated with a fix. We will also retain restrictions if the bug exists in a third party library that other projects similarly depend on, but haven’t yet fixed.

Note: Access to bug details and links may be kept restricted until a majority of users are updated with a fix.

We will also retain restrictions if the bug exists in a third party library that other projects similarly depend on,

but haven’t yet fixed.

This update includes 1 security fix.

Below, we highlight fixes that were contributed by external researchers.

Please see the Chrome Security Page for more information.

[TBD][463155954] High CVE-2026-0628: Insufficient policy enforcement in WebView tag. Reported by Gal Weizman on 2025-11-23

We would also like to thank all security researchers that worked with us during the development cycle to prevent security bugs from ever reaching the stable channel.

Many of our security bugs are detected using AddressSanitizer, MemorySanitizer, UndefinedBehaviorSanitizer, Control Flow Integrity, libFuzzer, or AFL.

Interested in switching release channels? Find out how here. If you find a new issue, please let us know by filing a bug. The community help forum is also a great place to reach out for help or learn about common issues.

Fix issue #463: Don't add a missing XML declaration on save.
Fix issue #460: Remove formatting for XML elements that are not allowed to contain whitespace (XSD Schema content model is Empty, Mixed, or TextOnly).

Fix issue #430: Autoformat on Save with empty XML-Elements.
Formatting Options has new setting to format Xml attributes each on a separate line.

Fix issue #425: "No byte order mark on save" option throws stream closed exception add unit test.
Apply dark mode to window titlebar.

Fix issue #418: check setttings-file for "read-only".
Fix issue #398: XmlNotepad detects xml-errors at empty nillable xsd:date Elements, but xml is correct

Issue 409: Not able to validate XML against multiple not referenced Schemas
Issue 329: Incomplete schema validation of large XML files ( > ~20 MB).
Report invalid characters undex 0x20.
Fix unit tests so they run on Windows 11, including a work around for dotnet/winforms#10244.

Issue 324: Generate xml from schema, see ttps://youtu.be/5I_q1oXz02I.
Issue 385:: "XML Reload" removes loaded XSLT. You can now get auto-reload when xml file changes on disk
and you can turn off the prompt in options dialog and it will reapply the XSLT automatically.
update to WebView2 version 1.0.2739.15
Also preserve the selection in the XML tree view across file reloads.

Issue 382: Add progress bar on long XSLT transform operations.
Issue 379: Add Preserve Whitespace option so your XSLT transforms can output the whitespace correctly.
Bug 383: Reload of a "not loaded" file
Bug 381: Multiple instances resets the settings
Bug 380: Opening bad XML file keeps watching the file

Issue 382: Add progress bar on long XSLT transform operations.
Issue 379: Add Preserve Whitespace option so your XSLT transforms can output the whitespace correctly.
Bug 383: Reload of a "not loaded" file
Bug 381: Multiple instances resets the settings
Bug 380: Opening bad XML file keeps watching the file

Add ability to load .json files.

Add #367 preserve Options Dialog box relative location and size
Bug 370: Error Message after SEARCHING and drag & drop of a new file
Bug 371: Unhandled exception loading XML file with the http://www.crossref.org/schema/deposit/crossref4.4.2.xsd schemas.

Add ability to load .json files.

Add #367 preserve Options Dialog box relative location and size
Bug 370: Error Message after SEARCHING and drag & drop of a new file
Bug 371: Unhandled exception loading XML file with the http://www.crossref.org/schema/deposit/crossref4.4.2.xsd schemas.

12.14.1.1 - 2025-12-11

⛰️ Features

• Shell script for creating macOS app bundle - (af24108)
• Support XML formatting in grid popup text editor - (913fc9d)
• Switch to grayscale icons on inactive query tabs - (917e046)
• Support SSH tunnel configuration per commandline - (35a5225)
• Display some known file type icons in file open/save dialog - (b4c0566)
• Finalize keyboard shortcut customization in preferences - (637d2d6)
• Add new keyboard shortcut editors on preferences dialog - (cc4e6f1)
• Keep time fractions intact for CSV exports - (06322de)
• Use custom folder icons in tree on file dialogs, in non-Windows mode - (3094d79)
• Show NULL values in system variables listing - (06b44eb)
• Highlight same text in grids based on all selected rows - (afc9d8c)
• Support fractional UNIX timestamps in grids - (65c1472)
• Add "source table: xyz" hint to query result column headers - (2863a80)
• Support click on path parts on top label of file dialog - (98b796b)
• Convert all save/open dialogs to the new custom one - (4a8c53c)
• Create file-save dialog with linebreaks selector - (d5d34ad)
• Recreate basic TExtFileOpenDialog without OS owned dialog and room for customization - (bac0d7a)
• Full support for different icon packs, Silk and Icons8 - (dbca69d)
• Add 206 Silk icons into new TImageList - (769afa5)
• Require libsybdb5 in DEB package - (e1781f9)
• Mark MS SQL protocols like named pipe as unsupported, advise the user to change to TCP/IP - (b20f121)
• Dirty and basic support for MS SQL - (3df3673)
• Show more detailed backtrace in crash dialog - (bc0a7de)
• Support SSH passwords via sshpass - (f2b2dc3)

🚀 Enhancements

• Position session manager centered over main form, ignore position set by user - (571c671)
• Align bottom buttons on session manager - (ca7aad6)
• Set font style and color of size column in tree - (f987c81)
• Move RightEdge on SQL editors out of sight - (2a23e26)
• Light text color instead of ghosted/ugly icon for unseen tree nodes - (76aefb3)
• Disable tree option asDoubleClickInsertsNodeText by default - (1c9321c)

🐛 Bug Fixes

• Connect MS SQL query to session transaction, run .ExecSQL - (59191da)
• Prevent SQL delimiter being set to PostgreSQL quotes - (a3acc04)
• Crash when grid-exporting without required key - (ff6050f)
• Delete CLI-created session settings from registry after disconnect - (8778d40)
• Another broken thousand separator - (24f3e36)
• New attempt to hide SynEdit caret when unfocused - (03f4a5f)
• A TSpeedButton connected to a TAction, and a TMenuItem were not auto-checking - (42abf46)
• Database icon in Icons8 list too small - (dda44be)
• Cannot save new table when added column was removed - (1fe709a)
• Compile without MS SQL support on macOS - (9a4d841)
• Query batch stops at second last query if it has errors but StopOnErrors is off - (6e40c62)
• Drag'n drop on Linux requires VT.DragType = dtVCL - (4fd646c)
• Enable drag'n drop in table editor and session manager - (9afc60f)
• Detected empty text DEFAULT value for table columns - (4c0617d)
• Append quick filter without linebreak - (8ea3b94)
• Wrong icon sizes, disable right-click select for column list so selection is kept - (a145fc5)
• Remove dead code, fix some compiler hints - (79bcd1d)
• Bad position of TEdit on TInplaceEditorLink - (8d119a0)
• Quick filter > "more values" submenu not created/shown - (8696e61)
• Empty KeyStrokes list on text editor - (db00c83)
• Broken caption on inline text edit button - (1730956)
• User queries not showing up in log panel - (222a386)
• Do not edit grid cell on right-click, and set HotCursor on DBtree - (0257867)
• Flashing main form in background after cancel session manager - (0563b4d)
• Work around empty space artifact in ShellListView - (cf9ed85)
• Move all Application event assignments to .lpr file - (64919d6)
• Confusion with (selected) folder icons - (b488ca2)
• Tree with keyboard actions shows wrong captions - (5e20c53)
• Binary result values displayed as 000... - (4322372)
• TMySQLQuery.TableName() returns wrong string, and introduce apphelpers.GetAppDir - (bb517d7)
• Crash in AnyGridPaintText with no query result - (59659f0)
• Error: (4004) Variable identifier expected - (13a0127)
• Crash in printer dialog with 0 printers available - (6eecdd8)
• Missing file for previous commit - (857cca8)
• Some remaining issues in the new file-open/save dialogs - (34e3f32)
• Work around out-of-view item in left tree after FormShow - (ec4c237)
• Navigate to directory of currently loaded file when user opens dialog for loading another file - (251f632)
• Broken support for non UTF-8 encoding - (fe65231)
• Prompt to overwrite only if file exists - (91de2fc)
• Add encoding selector to file-open dialog - (56b783d)
• Crash when app exits, with deleted TSynGutterSeparator - (00627ae)
• Optical stuff, add bookmark icons for SynEdit - (29d1abc)
• Use GetApplicationName in InitMoFile as well, plus documentation - (93bf989)
• Make LCLTranslator independent of executable filename - (0469dd9)
• Make GetAppConfigDir independent of executable filename - (9e2611e)
• Make translation filename independent of executable filename - (5d487bb)
• More painting related crashes on QT, this time in OperationRunning() - (fbe32db)
• Compiler warnings, re-enable active line background - (a1c84ae)
• Two crashes in QT caused by aggressive control repainting - (7650efe)
• Hide library files which ldconfig shows up but don't exist - (85cf230)
• Provide at least one libmysql for macOS, plus its dependencies - (1fbc2ab)
• Fix compiler errors on macOS, set DYLD_LIBRARY_PATH run param to fix wrong path for libssl - (58b210a)
• Wrong integer size/type for ClientFlag in mysql_real_connect - (3213fe9)

⚙️ Miscellaneous Tasks

• Bump version to 12.14.1.1 - (1a2f1f3)
• Use Lazarus logo in readme - (aa49736)
• Remove now unused doc, written for converting to Lazarus - (b01e732)
• Fix generation of .deb - (e95aca8)
• Fix missing Package variable - (13c55ce)
• Using v4 of git-cliff-action - (81d613b)

Contributors

• @ansgarbecker
• @gcarreno

[12.13.1.1] - 2025-11-03

⛰️ Features

• Sort session folders at top per setting - (93dc936)
• Filter box in user manager - (b57b764)
• Add checkbox "Open file after creation" to grid export dialog - (613f4d8)
• Allow sorting columns in table designer - (8541eb4)

🚀 Enhancements

• Make file exit action OS friendly - (1f19d00)

🐛 Bug Fixes

• List procedures in PostgreSQL - (db902f7)
• Missing DELETE HISTORY privilege on MariaDB - (f7b80db)
• Prevent crash in auto-refresh action - (2c25e04)
• Bad message with no library selected - (f9a486b)
• Generate missing values for geometry columns - (eb1b5ea)
• Allow modify length of index with binary column - (173efeb)
• End global "edit function" mode for grid editing early - (5cac850)
• Take care for escaped ENUM definitions - (328fb72)
• Support return data type of stored function containing white spaces - (d7b1faa)
• Safety replacement for folder separator when renaming a session or folder - (18a21ef)
• Leave away schema when double-click table for inserting into query editor - (b72f259)
• Sticky empty-password warning after setting a non-empty one - (f2028e1)
• Support double dollar quotes on PostgreSQL - (caeae88)

📚 Documentation

• (CHANGELOG) Proper changelog - (79bb279)

⚙️ Miscellaneous Tasks

• Bumping version to 12.13.1.1 - (bf23332)
• Using correct target of build-* - (16a54a5)
• Fixing some blantant mistakes - (76dfa98)
• New category: Enhancements - (dd1ad34)
• Removing unnecessary tx-push recipe - (d293d64)
• Forgot to copy .ini files on run-* - (c513e53)
• Completing run-gtk2, run-qt5 - (04650d9)
• Adding empty tx-push to Makefile - (3ceed39)
• Adjusting workflow to skip secrets detection - (14dd9ce)
• Adding usage of secrets.mk - (123a2e7)
• Forgot to change the output folder - (78f1415)
• First batch of changes - (2bee126)

New Contributors ❤️

• @gcarreno made their first contribution
• @ansgarbecker made their first contribution
• @ made their first contribution

Note: You can already get a preview of v13 for Windows, built on the same codebase as the Linux version. See the
download page for a zip package.

3rd party updates:

• update SQLite library to v3.51.0

Bugfixes and enhancements:

• fix: crash when grid-exporting without required key (issue #2311)
• fix: cannot save new table when added column was removed (issue #2326)
• fix: delete CLI-created session settings from registry after disconnect (issue #2162)
• fix: query batch stops at second last query if it has errors but StopOnErrors is off (issue #2317)
• feat: support SSH tunnel configuration per commandline (issue #2322)
• disable tree option asDoubleClickInsertsNodeText by default (issue #2307)
• fix: require elevation per build button only if app directory is not writable by user (issue #2305)
• feat: keep time fractions intact for CSV exports (issue #2098)
• fix: crash in AnyGridPaintText with no query result
• feat: show NULL values in system variables listing (issue #1281)
• feat: highlight same text in grids based on all selected rows
• fix: crash in printer dialog with 0 printers available (issue #2283)
• feat: support fractional UNIX timestamps in grids (issue #884)
• feat: add "source table: xyz" hint to query result column headers https://www.heidisql.com/forum.php?t=44554

[12.13.1.1] - 2025-11-03

⛰️ Features

• Sort session folders at top per setting - (93dc936)
• Filter box in user manager - (b57b764)
• Add checkbox "Open file after creation" to grid export dialog - (613f4d8)
• Allow sorting columns in table designer - (8541eb4)

🚀 Enhancements

• Make file exit action OS friendly - (1f19d00)

🐛 Bug Fixes

• List procedures in PostgreSQL - (db902f7)
• Missing DELETE HISTORY privilege on MariaDB - (f7b80db)
• Prevent crash in auto-refresh action - (2c25e04)
• Bad message with no library selected - (f9a486b)
• Generate missing values for geometry columns - (eb1b5ea)
• Allow modify length of index with binary column - (173efeb)
• End global "edit function" mode for grid editing early - (5cac850)
• Take care for escaped ENUM definitions - (328fb72)
• Support return data type of stored function containing white spaces - (d7b1faa)
• Safety replacement for folder separator when renaming a session or folder - (18a21ef)
• Leave away schema when double-click table for inserting into query editor - (b72f259)
• Sticky empty-password warning after setting a non-empty one - (f2028e1)
• Support double dollar quotes on PostgreSQL - (caeae88)

📚 Documentation

• (CHANGELOG) Proper changelog - (79bb279)

⚙️ Miscellaneous Tasks

• Bumping version to 12.13.1.1 - (bf23332)
• Using correct target of build-* - (16a54a5)
• Fixing some blantant mistakes - (76dfa98)
• New category: Enhancements - (dd1ad34)
• Removing unnecessary tx-push recipe - (d293d64)
• Forgot to copy .ini files on run-* - (c513e53)
• Completing run-gtk2, run-qt5 - (04650d9)
• Adding empty tx-push to Makefile - (3ceed39)
• Adjusting workflow to skip secrets detection - (14dd9ce)
• Adding usage of secrets.mk - (123a2e7)
• Forgot to change the output folder - (78f1415)
• First batch of changes - (2bee126)

Get it from the download page

3rd party updates:

• Issue #2076: exchange 32 bit SSL libraries with their 64 bit pendants, fixing SSL connections with libpq and libmariadb

First Linux version as a release with a tag.

Get it from the download page

Full changelog: https://github.com/HeidiSQL/HeidiSQL/commits/lazarus/

Latest notable changes:

• SSH tunnel support now works, using external ssh command, like in the Windows version
• Translation support for 35 languages, through .mo files. Thanks to all the translators on Transifex!
• Icons on status bar
• Enable bracket highlighting in SQL editors
• Grid cell editors working (with quite a few crashes)
• Enabled automatic tab restore
• Table editor and the others (view, routine, trigger, event) working now
• All forms now use Lazarus' excellent anchorings for controls

Known issues:

• #2149: Missing support for MS SQL and Interbase/Firebird
• #2131: Crashes in grid cell editors, especially after hitting the Esc key
• #2143: No .rpm package for RedHat based Linux. Help appreciated.
• #2141: no wordwrap in SQL editors

A big thanks go to the Lazarus team for providing such a nice and responsive IDE. Congratulations for releasing Lazarus 4.0 these days. HeidiSQL for Linux is yet built with Lazarus v3.8 and FreePascal v3.2.2.