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Application hangs when longtext field window is filled with more than about 650 characters

bugDefective behaviour in HeidiSQLDefective behaviour in HeidiSQL

windowsAffects the Windows versionAffects the Windows version

Status: Open.

#2388 In HeidiSQL/HeidiSQL;

· Chnutz opened on Feb 1, 2026

Support paths > MAX_PATH (longPathAware)

confirmedIssue verified by project memberIssue verified by project member

enhancementEnhances an existing featureEnhances an existing feature

Status: Open.

#1012 In HeidiSQL/HeidiSQL;

· christophvw opened on May 4, 2020

High DPI issues in trees and statusbar

bugDefective behaviour in HeidiSQLDefective behaviour in HeidiSQL

high-dpiRelated to high DPI display/font settingsRelated to high DPI display/font settings

windowsAffects the Windows versionAffects the Windows version

Status: Open.

#2413 In HeidiSQL/HeidiSQL;

· ansgarbecker opened on Feb 19, 2026