HeidiSQL Files

12.21 - 2026-08-03

⛰️ Features

• Create opt-in option for displaying columns in database tree - (f492bed)
• Enhance order of items in completion proposal, so exact matches are at the top - (c1b817b)
• For keyboard navigation on the completion proposal, wrap around the item list - (db952f8)
• First attempt to create a user manager for PostgreSQL - (f0d7103)
• Show index icons on columns in tree, and the data type text color - (e6e90aa)
• Auto-adjust width of various combo boxes - (ca9b748)
• Show table columns in tree, as child nodes - (0e20e70)
• Query size of all indexes in one query - (c5201eb)
• Display size of each index and paint a color bar behind it - (48a93d2)
• Make custom proposal popup interval effective - (500c529)
• Icons, colors and padding in completion proposal - (3d1254d)

🐛 Bug Fixes

• (ui) Exchange icon for "column" and its variants for add, delete, edit - (08558f9)
• Sporadic crash in DBtreePaintText with columns - (f76c54f)
• Enable foreign key drop down on grid field in MS SQL mode - (9f83561)
• Remove column nodes from tree in table tools dialog - (b09823e)
• Empty command line part for sshpass on FreeBSD - (ed881b3)
• Handle MONEY column types as float - (67521d4)
• Hang and wrong check states in data grid column selection on macOS - (6c5b66c)
• Invalid folder path for SQL export cannot be created if it contains a duplicated path delimiter - (4555274)
• Various CVEs regarding libssl and libcrypto - (379d28a)
• Context menu does not appear at right-click on a tree node text - (8befce3)
• Crash when opening textfile import dialog, with 0 tables in database - (83c4947)
• Crash when cancelling session manager while a session rename is active - (1da8683)
• Prevent crashes from SetFocus on various controls - (bf46821)
• Data grid header keeps showing previous table's columns on macOS - (255695d)
• Prevent SQL error "Property 'MS_Description' already exists" - (ac50b73)
• Enhance anchors on some of the table editors controls - (bfebd9e)
• Bad width of collation combo box - (a90f73c)
• File > "New window" does nothing on macOS - (0583a4e)
• Still wrong proposal background color in dark mode - (e62c47f)
• Wrong proposal background color in dark mode - (eec978c)
• Crash when opening a table, due to using the TCanvas member of a not yet visible form or frame - (bfe29c1)
• Give the trees and grids more height for the header - (568098a)
• Widen many TSpinEditEx instances to either 80px or align them with neighbor controls - (5964be6)
• Some trees have their own OnContextMenu logic set at design time, do not overwrite - (7c2870a)
• Work around unused Header.PopupMenu menu on Linux when a tree has a PopupMenu - (2030a91)
• DPI related scale glitches, mainly on completion proposal - (905b126)
• Do not paint size bar in nodes of level 2, and do not show "-" text there neither - (3e678bc)
• Bad text color for selected item in proposal - (1c46db7)
• Propose items when editor already contains a leading backtick quote - (8f12b3e)
• Missing support for custom keyboard shortcut for executing completion popup - (79f1d38)
• Glitches with padding in completion proposal, and non-restored width - (cf67d11)
• EXPLAIN <query> actions either disabled or non-working for PostgreSQL and SQLite - (2572681)
• Hanging in a loop over result nodes by right-click on query result - (bc8f903)
• Detect release version string from Lazarus project file, and insert into Contents/Info.plist of macOS bundle - (2171b58)
• Crash during refresh on disconnected session - (0b0106d)
• When parsing the command line, make use of Application.GetOptionValue and friends, instead of ParamStr(x) with regular expressions - (f436354)
• Use default library of connection when the one from a stored session contains an invalid path/file - (51023c3)
• Refresh session tree after import per More > Import settings file - (cfca46f)
• CAS(x AS CHAR) not supported by MySQL below v4.0.2 - (e9e5263)
• Always enable release link label on update check dialog, which points to the general download page - (2d475d2)
• Prepend database name to the trigger name at the correct position, when newer MariaDB versions use IF NOT EXISTS - (27a3a51)

🚜 Refactor

• Prefer Delphi friendly SysUtils.PathDelim over System.DirectorySeparator - (84104d0)

⚡ Performance

• Avoid full string scans in StrEllipsis - (32f3bd0)

⚙️ Miscellaneous Tasks

• Update SQLite libraries to v3.53.4 - (7bfd91d)
• Ignore auto-created IntelliJ project files - (64613cf)
• Prefer macos-15 over macos-15-arm64, due to better availability of the Intel runners - (c3be9d4)
• Stick to macOS 15, because the FPC package is only officially qualified up to macOS 11 and uses a package format Apple has tightened in newer releases, so it no longer installs on the macos 26 runners. - (0c969da)

Cleanup

• TbsSeparator TToolButton's now seem to have a default width of 8px (was 6px at some point), and TStatusBar's height now has a default height of 23px (was 28px) - (660c82d)

Localize

• Update compiled .mo translation files - (3480cf4)

[!NOTE]

For a list of all the changes up to date, please read CHANGELOG.md (github.com).