We released EmEditor v25.4.3 today. This update focuses on stability and includes the following fixes—please keep your software current for the best experience:

Resolved an issue where the Use OPENAI_API_KEY environment variable option in Chat with AI, as well as the Copy to New Document command, might fail to work (ChatAI plug-in required).
Fixed a bug that could truncate part of the status bar.
Corrected how NUL character codes are displayed in ASCII (binary) view on the Character Code Value command.
Improved performance in several areas, including smoother horizontal scrolling in documents with very long lines.
Prevented the Find/Replace search history from being cleared when Use editor font was enabled.
Addressed user-reported issues (1).