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New in Version 21.0

August 10, 2021

New General Features

  • Added the Layout command (multiple items), and allows you to select which UI elements to show or hide, whether to switch to the full screen mode, and whether to retain the layout next time you launch EmEditor. By default, the Full Screen (F11) and Focus Mode (Alt+F11) Screen layouts were defined.
  • Added the /layout switch to the Command Line Options.
  • Increased selecting, scrolling, and regular expression search speeds when a very long line exists in a file.
  • The new version adds the command name as a comment to each editor.ExecuteCommandByID method when saving/editing a recorded macro.

Test results:

v20.9 v21.0 Comparison
Replace All “[a-e]” with an empty string 5.99 seconds 0.016 seconds 349 times faster

* 976 KB, 1 line, 1 million characters, random ASCII data, default options except Regular Expressions, 16 threads, Windows 10 (64-bit), Core i9-9900K, 64GB RAM, 2TB SSD.

New Options

  • Added the Layouts page to the Customize dialog box.
  • Added the Insert as HTML command to the Clipboard History menu.
  • The new version added the Paste as HTML button to the Show Clipboard History button displayed when pasting a string if the HTML format is available in the Clipboard.
  • Added the Macro text box, … button, the Set Repeat Count check box, the Run the macro against each opened document check box, the Name list box, the Add button, the Delete button, the > button, the Save and close each document after running the macro check box, and the Save options check box to the Macro Temporary Options dialog box.

New Commands

  • Paste as HTML
  • Customize Layouts
  • Layout
  • Main Menu

Plug-in API New Features

  • Added COLUMN_DELETE, COLUMN_SELECT, and COLUMN_SELECT_NO_HEADINGS flags to the Editor_EditColumn inline function and EDIT_COLUMN_INFO structure.

Macro New Features

  • Added the DeleteColumn method to the Document object.
  • Added the SelectColumn method to the Selection object.

← New in Version 21.1 New in Version 20.9 →

  • Text Editing
    • Batch Replace
    • Binary Editing
    • Bracket/Quotation Mark Auto-Complete
    • Clipboard History
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    • EditorConfig Support
    • Filter Bar
    • Find and Replace
    • Format Selection
    • Fuzzy Matching
    • Language Server Protocol Support
    • Multiple Selection Editing
      • How to use Vertical Editing
    • Number Range Expression for Find and Replace
    • Regular Expressions
    • Syntax Checker for HTML, CSS, JSON, XML
    • Syntax Highlighting
  • Powerful CSV Tools
    • Autofill
    • Combine Lines
    • Combine/Split Columns
    • CSV Converter
    • Custom CSV formats
    • Delete Duplicate Lines
    • Extract Columns
    • Extract Frequent Strings
    • Flash Fill
    • Freeze header
    • Insert lines/columns
    • Join CSV
    • Manage Columns
    • Numbering
    • Pivot table
    • Sort
    • Transpose
  • Large File Support
    • Fast Processing of Large Files
    • Large File Controller
    • Large Files up to 16 TB
    • Lightweight, multithreaded design
    • Split and Combine Files
  • User Experience
    • Configurations
    • Customizable Interface
    • Customizable toolbars
    • Document Groups
    • International language and locale support
    • Markers
    • Quick Launch
    • Split window
    • Start Window
    • Tabbed Design
    • Workspace Memory
  • Extensibility
    • AI Assisted Writing
    • AI Toolbar
    • Chat with AI
    • External Tools
    • Plug-ins
      • CommitList Plug-in
      • Explorer Plug-in
      • HTML Bar Plug-in
      • Open Documents Plug-in
      • Projects Plug-in
      • Search Plug-in
      • Snippets Plug-in
        • How to Use Zen Coding
      • Web Preview Plug-in
      • Word Complete Plug-in
      • Word Count Plug-in
    • Scriptable Macros
  • More Features
    • Base64
    • Bookmarks
    • Character Check
    • Character Code Value
    • Customer support
    • Drag and Drop
    • Error Handler and Crash Recovery
    • Fast 64-bit Build
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    • Messaging (plug-in)
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    • Privacy-first
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    • Spellcheck
    • Status Window
    • Tooltip to show HTML/XML character references
    • Unicode Normalization
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    • Universal Character Name
    • Uppercase/Lowercase conversion
    • Wildcard Support
    • Windows 11/10 Compatibility
    • CSV
  • History
    • New in Version 26.2
    • New in Version 26.1
    • New in Version 26.0
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    • New in Version 21.0
    • New in Version 20.9
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    • New in Version 16.0
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    • Basic Features
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