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EmEditor v26.2 preview released

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This message contains changelog regarding v26.2 preview. The information is being updated as more preview versions are released.

To update

If you use the installer version, please select Customize Update Checker on the Help menu, and set the Include preview versions in order to update automatically to future preview versions. Preview versions are also available from the links below or on the Previous Versions page.

Direct Downloads

Note: After downloading, please verify that the digital signature is signed by “Emurasoft, Inc.”

Notes: The preview version supports only Japanese and English (United States). In other languages, new features may not be available.

Please contact us for any questions or comments. Thank you for trying EmEditor preview!

preview 1 (26.1.901) – June 3, 2026

General New Features

  • The AI-Assisted Writing feature now supports additional AI providers, including Anthropic, DeepSeek, Google, and LM Studio/OpenAI-compatible providers, in addition to the existing OpenAI support. This feature requires the Chat with AI plug-in. [P]
  • AI Prompts now allow you to select a second provider/model, so you can send the same prompt to two AIs at the same time. You can also compare the responses from the two AIs side by side in a split view. This feature requires the Chat with AI plug-in. [P]

New Options

  • Added a Provider drop-down list box to the AI Options page of the Customize dialog box. [P]
  • Added the Set Second Provider/Model checkbox, the Provider 2 checkbox and drop-down list box, and the Model 2 checkbox and drop-down list box to the AI Prompts page of the Customize dialog box. [P]

New Macro Features [P]

  • The Run macros asynchronously by default option on the Options page of the Customize Macros dialog box is now turned off by default.
  • The syntax checker is now disabled while a macro is running.

Bug Fixes

  • Fixed an issue where certain regular expressions containing backslashes might not work correctly in case-insensitive searches.
  • Fixed an issue where the Extract command in the Find dialog box could output text always in lowercase under certain conditions.

preview 2 (26.1.902) – June 9, 2026

  • Added the AI-Assisted Writing command. Added the AI-Assisted Writing command button to the AI toolbar to enable or disable the AI-assisted writing. [p]
  • Removed the HD and Vivid checkboxes from the AI Prompts page of the Customize dialog box. [p]
  • Added the Show suggestions only with Ctrl+Space, Show suggestions only when confident, and Set the temperature checkboxes, Don’t show suggestions after any of the following checkbox and text box, the Delay time slider, and Additional instructions text box to the AI Assist page of configuration properties. [p]

preview 3 (26.1.903) – June 11, 2026

  • Fixed a crash that could occur in Dark Mode in Preview 2. [p]

Notes

  • [P] EmEditor Professional only
  • [PF] EmEditor Professional and EmEditor Free
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EmEditor v26.1 preview released

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This message contains changelog regarding v26.1 preview. The information is being updated as more preview versions are released.

To update

If you use the installer version, please select Customize Update Checker on the Help menu, and set the Include preview versions in order to update automatically to future preview versions. Preview versions are also available from the links below or on the Previous Versions page.

Direct Downloads

Note: When downloading the MSI installer, security features such as Microsoft Defender SmartScreen may temporarily block the download. This can happen because the digital signing certificate was renewed only a few days ago and has not yet built enough public reputation. If you see this warning, it is safe to continue the download. After downloading, please verify that the digital signature is signed by “Emurasoft, Inc.” The email field in the new digital signature is “Not available.”

Notes: The preview version supports only Japanese and English (United States). In other languages, new features may not be available.

Please contact us for any questions or comments. Thank you for trying EmEditor preview!

preview 1 (26.0.901) – March 11, 2026

New General Features

  • When a file is modified externally, a delay of several milliseconds is now inserted before reloading, and the message box shown when reloading fails now allows selecting the Retry button.[PF]
  • Improved the speed of various operations including Sort. [P]

New Options

  • Added a The cursor moves to the correct position when sorting checkbox to the Sort page of the Customize dialog box.
  • Added Provider, Model, Reasoning effort, and Text Verbosity checkboxes and drop-down list boxes, as well as a Web Search checkbox, to the AI Prompts page in the Customize dialog box. [P]
  • Added Provider, Model, Reasoning effort, and Text Verbosity checkboxes and drop-down list boxes, as well as a Web Search checkbox, to the New Prompt dialog box. [P]

New Macro Features [P]

  • Added the TextLength property to the Selection object.

Plug-in New Features [P]

  • Added the EE_GET_SEL_LENGTH message and the Editor_GetSelLength inline function.

Bug fixes

  • Fixed an issue where a response to the “Do you want to terminate the current tool job?” message box was not respected.
  • Fixed a certain issue related to the WordComplete plug-in. [P]

preview 2 (26.0.902) – May 4th, 2026

New General Features

  • The new versions remembers an the “Apply to All” option when multiple unsaved documents are being saved.
  • Improved the speed when replacing all newlines in a document or inserting newlines.
  • Improved the stability when copying and pasting a very large text.

New Options

  • The Preferred model drop-down list box on the AI Options page of the Customize dialog box is now populated dynamically. [P]

New Macro Features [P]

  • Added the LineNumbersZeroBase property to the GeneralProp object.

Bug fixes

  • Fixed a DirectWrite rendering issue with double IVS characters.
  • Fixed an issue with case insensitive sort with locale.
  • Fixed an issue where a null character may not be detected when a document contains no newlines.
  • Fixed a potential issue where an empty line could be appended.
  • Fixed a potential crash when removing all newlines from a very large file.
  • Fixed an issue that copying a very large text may fail.
  • Fixed an issue where the Search Previous Warning Character/Unicode command may not work correctly in a very large file.

Notes

  • [P] EmEditor Professional only
  • [PF] EmEditor Professional and EmEditor Free
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EmEditor v26.0 preview released

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This message contains changelog regarding v26.0 preview. The information is being updated as more preview versions are released.

Please see New in Version 26.0 for screenshots.

Please contact us for any questions or comments. Thank you for trying EmEditor preview!

To update

If you use the installer version, please select Customize Update Checker on the Help menu, and set the Include preview versions in order to update automatically to future preview versions. Preview versions can also be downloaded at Previous versions.

preview 1 (25.9.901) – January 26, 2026

New General Features

  • You can now add both folders and files to Favorites. [PF]
  • The Markdown Bold/Italic/Code command now works even when no text is selected. [P]
  • The Undo/Redo History dialog has been replaced with a custom bar. [PF]
  • The Insert Special Character dialog has been replaced with a custom bar, with improvements including a larger, color font and filtering by Unicode name and block. [PF]
  • The Character Code Value dialog has been improved with a larger font and color support. [PF]
  • Improved awkward English, German, and Japanese UI text. [PF]
  • Discontinued the Russian UI in v25.4. [PF]

New Options

  • Added the Add Folder button to the Favorites page of the Customize dialog box. [PF]
  • Added gpt-5.2 and gpt-5.2.codex to the Preferred Model drop-down list in the AI Options page of the Customize dialog box (this feature requires the Chat with AI plugin). [P]

Plug-in New Features [P]

  • Added the file search feature for Chat with AI, allowing you to upload files to use in chat.
  • Added the search feature for Chat with AI to search for chat messages.
  • Improved the performance of the commit list in CommitList.

Bug fixes

  • Fixed an issue where entering an OpenAI API key in the AI Options page of the Customize dialog could trigger an error message and prevent the key from being saved.

preview 3 (25.9.903) – February 2, 2026

  • Improved the speed of various operations including Opening a large file containing no newlines (one-line file).
  • Fixed partial comparision issues.

Notes

[PF] EmEditor Professional and EmEditor Free

[P] EmEditor Professional only