Character duplication issue in HeidiSQL 12.12.1.208 (Linux)

[maxiaozhi]

Description

I installed the linux version of HeidiSQL 12.12.1.208 on Ubuntu 25.04. When typing characters, they always get duplicated. For example, when I type "abc", it becomes "aabbcc"

HeidiSQL version

12.122.1.208

Database server version

mysql 8

Reproduction recipe

Installed the linux version of HeidiSQL 12.12.1.208 on Ubuntu 25.04 (Wayland) and enter characters in the text box..

Error/Backtrace

[ansgarbecker]

Sounds somehow familiar to auto-removed characters in the query editor: https://www.heidisql.com/forum.php?t=44494