History

Version 25.2

Last version to support Windows 7 or 32-bit editions
Ability to configure the date and time formats for the sort functions
New UI to customize Toolbar Options and Toolbar Buttons
Improved speed of startup and the date filter
Enhanced the Chat with AI features that allow additional AI services including LM Studio, Deepseek, etc.

Version 25.1

Enhanced the Chat with AI features (ChatAI plug-in required)
New List of Bookmarks command and Bookmarks custom bar.
Ability to permanently save bookmarks
Disabled Very Dark option by default
Enhanced the speed of various operations

Version 25.0

EmEditor Professional no longer includes AI-related features by default. To keep using these features, you’ll need to download and install the ChatAI plug-in separately.
HTML tags in the source text are now displayed as they appear in Markdown Design View
Ability to stack multiple custom bars, with buttons at the bottom
New commands that allow you to convert between Markdown, HTML, and plain text
Enabled Very Dark option by default when Dark Mode is activated in Windows

Version 24.5

New Verify command to verify the file just opened
Ability to display a message if there is an internal inconsistency in the file size
New << and >> buttons that allow you to open the previous or next section of the file without exceeding the last specified size
Improved flexibility with the AI Assist editing feature
Ability to set a proxy for license validations

Version 24.4

Markdown design view that offers a near-WYSIWYG experience for editing Markdown files
New Markdown toolbar
New Onigmo.Perl regular expression engine
Enabled offline registration for all users

Version 24.3

Ability to create a list of AI Prompts
New Chat with AI custom bar
New AI toolbar
Ability to use Regex for File Types in Find/Replace in Files
Enabled offline registration

Version 24.2

New Favorites toolbar
Ability to use gpt-4o model as the default for the OpenAI API
Improved AI assisted writing feature
End support for per-computer installations
Enhanced security by requiring user to enter email address with registration key

Version 24.1

Ability to display a shortcut in Windows 11 context menu in Explorer
AI assisted writing using OpenAI

Version 24.0

New AI macro added to My Macros by default
Ability to copy changes in one document to another
Improved split window for comparison
Ability to use Extract Frequent command for URIs and email addresses
Improved speed of various commands

Version 23.1

Ability to call APIs offered by many services such as generative AIs
Complete List feature
Significant improvement of speed in executing numerous commands when editing very large files
Ability to use Store App version for Desktop App users

Version 23.0

Ability to show the embedded Web Browser within EmEditor
Ability to format the selection or entire document using the Language Server Protocol
Improved the Markdown syntax highlighting
Improved the speed of various operations
Redesigned help pages

Version 22.5

Enabled the Search Symbol command to use the language server protocol
Enabled the JSON language server
Ability to click the left edge of a line number to toggle the bookmark
Ability to display commits ahead/behind indicators with the CommitList plug-in
Improved the speed of various commands by dynamically managing the thread load balancing

Version 22.4

Improved behavior when opening a very large file from a slow or network drive
Improved response time when canceling Find in Files progress
Ability to check out commits and create new branches with the CommitList plug-in
Ability to use Language Server Protocol for syntax check
Ability to auto highlight search strings
Improved the speed of Find in Files, Delete Columns, Clear Contents, Sort Randomly, and base 64 encoding/decoding commands

Version 22.3

Ability to display tooltips using the Language Server Protocol (experimental)
Ability to match numbers containing digit grouping (thousand) separators
Improved reliability when dealing with very large files in low memory situations
Ability to abort the CSV syntax check
Improved the speed of Extract in the Find dialog box
Improved CommitList plug-in

Version 22.2

Ability to initiates a CSV detection in the beginning of opening a very large file
Ability to check CSV syntax in the background
Enhanced performance when dealing with very large files in low memory situations
Support of using V8 JavaScript engine for replacement expressions
Improved crash reporting
Improved CommitList plug-in
Improved speed of various conversion and sort commands while working on a very large file

Version 22.1

Support of modern JavaScript using V8 JavaScript engine
Ability to preview web pages with Microsoft Edge
Improved CommitList plug-in
Support of date formats without separators
Improved speed of counting number of characters in a selection and copying strings

Version 22.0

New Fuzzy Matching option to match similar strings
Ability to highlight MIME Encoded-Words (Base64) and display tooltips
Improved Main menu
Support of Unicode 15.0

Version 21.9

Improved CommitList plug-in, which allows you to see Git changes and staging changes easily
Improved comparison result view
Ability to hide or unhide any CSV columns
Ability to align any CSV columns right or center
Ability to set row headings as well as column headings
Enhanced scroll speed

Version 21.8

New CommitList plug-in, which shows the Git history of the current document
Ability to use regular expressions and number range expressions for Bulk Replace All and Bulk Find commands
Ability to search only a specified range of time stamp in files while working on the Find in Files command
Split View command

Version 21.7

Ability to display file comparsion results in one vertically split window by default
Ability to continue to open a file as the system default encoding even if its detected encoding is unsupported on Windows
Support of Bulk Replace All, which searches the document simultaneously for all search strings
Improved URI highlighting
Improved line selections in CSV selection mode

Version 21.6

Ability to specify character ranges by using the Unicode Script and Unicode General Category
Support of all possible Emoji sequences
Improved Replacement Expression Syntax
Ability to drag and drop a file to the Filter box in the Filter toolbar and a list box in the Advanced Filter, Batch Find, Batch Replace, Batch Find/Replace in Files dialog boxes
Speed improvement of the Advanced Filter command, the Join CSV command, and Multi-Find in the Find dialog box

Version 21.5

Ability to visualize invisible, control, and/or surrogate characters
EditorConfig Support
Speed improvement of Undo after Replace All

Version 21.4

Ability to customize Notifications and Update on EmEditor Free
Ability to customize dialog box font
Ability to use Transpose, Pivot Tabe and Unpivot commands to handle big data
Speed improvement of Combine Columns, Split Column(s) and Decode/Encode Selection

Version 21.3

Support very large files support on EmEditor Free
Allow date/time range and format in Number Range Expressions for Find/Replace/Filter
Ability to use any decimal point for a number range
Ability to split a window to 3 panes
Ability to assign the ENTER key
Speed improvement of various commands

Version 21.2

Many features have been enabled for EmEditor Free (see the comparison table)
Ability to select EmEditor Professional or EmEditor Free when you launch EmEditor for the first time
Ability to detect repeated steps and enter repeat count
Ability to assign keyboard shortcuts for commands by right clicking on menu items or toolbar buttons
Notification balloon tip added for Auto Copy

Version 21.1

Ability to set running macro as the default macro
Use DirectWrite option by default
Ability to display Emoji Sequences and Emoji ZWJ Sequences correctly
Speed improvement of various operations

Version 21.0

Ability to select which UI elements to show or hide
Improved speed of selecting, scrolling, and regular expression search
Improved Macro Temporary Options dialog box

Version 20.9

Improved access to toolbars
Improved Replacement Expression Syntax
Ability to paste file path by dropping a file from Explorer
Ability to perform quiet installation by default when “per-user installation” is selected during desktop installation

Version 20.8

Improved Binary (Hexadecimal View) mode
Improved UTF-8 detection in very large files
Enhanced Find Matching Parenthesis/Bracket and Matching Parenthesis/Bracket Extend behaviors

Version 20.7

Ability to use existing files as the source without opening in the Combine Files Wizard
Improved Clipboard History feature
Ability to use a separate thread for running macros
New Replacement Expression

Version 20.6

Ability to support long file paths exceeding 260 characters
Ability to customize URI schemes
Improved Clear History options
Ability to support two-factor authentication at Emurasoft Customer Center
Speed improvement of GetCell method and when a very long line exists and the line is wrapped

Version 20.5

Ability to support up to 16 TB when opening a file in the 64-bit version of EmEditor; ability to support up to 256 GB in the 32-bit version.
Improved the Large File Controller behavior
New options to display in the status bar
Ability to support very dark mode in plug-ins
Speed improvement of Print, Print Preview and various sorts in vary large files

Version 20.4

New Notifications feature
Improved the Update Checker behavior
Speed improvement of the Delete Duplicate Lines and Compare commands

Version 20.3

Improved overall update experience
Ability to show a tooltip with new version information and commands to install updates
New options related to Update Checker added to the Start window
Speed improvement of various operations in very large files

Version 20.2

Ability to sort or delete duplicate elements in a column of “nested” CSV documents
Ability to show the * mark in the Advanced button of the Find/Replace (in Files) dialog boxes
AutoFill/AutoRepeat command added to the context menu displayed when you finish dragging the AutoFill/AutoRepeat handle
Speed improvement of the Split Column(s) command

Version 20.1

Ability to change the quotation mark associated with each CSV format
Ability to support Concordance load file (DAT) format as one of the default CSV formats
Improved Advanced Filter dialog box and Jump dialog box
Enhanced Sum macro that can sum numbers in selected cells in CSV documents
Speed improvement of opening very large files by multi-threading

Version 20.0

Ability to support “nested” CSV operations
Combine Lines command and dialog box
Speed improvement of opening very large files in Binary (Hexadevimal View), Replace in Files, and Join CSV

Version 19.9

Ability to batch or multi-search
Split Column(s) command and dialog box
Speed improvement of Advanced Filter with multiple strings

Version 19.8

Ability to use uchardet
Enhanced file encoding detection
Advanced Open feature to split a file with newlines and run a macro against each open file
Ability to convert CSV formats as a macro
Very Dark mode

Version 19.7

Ability to move/copy column(s)
Ability to combine columns
Speed Improvement of multiline search

Version 19.6

Ability to show clipboard history on paste
Ability to show Minimap while mouse is hovered over the vertical scroll bar
More options added to the Extract Frequent Strings dialog box
JSON added to default configurations

Version 19.5

Extract Frequent Strings command and dialog box
Ability to create a table of frequent strings from the Find Extract results

Version 19.4

AutoFill/AutoRepeat feature for non-CSV documents and CSV documents without cell selection mode
Drag selection border to shrink/extend selection range
Speed Improvement of Copy, Cut, and Paste commands

Version 19.3

More options to customize the Start window
Speed Improvement of various operations when the document contains a very long line

Version 19.2

Speed Improvement (opening very large files, Delete Duplicate Lines, Find/Replace in Files, and various sort commands using AVX-512 and SHA instruction sets found in recent CPUs)
Enhanced the performance of Find/Replace in Files (such as displaying more error information if any files are skipped and displaying number of matches or strings replaced in the status bar)

Version 19.1

Enhanced Half-Width/Full-Width Conversion dialog box
Regular expression support for back references more than 9, and named capturing group
Speed Improvement (Delete Duplicate Lines, and various sort commands)

Version 19.0

Check syntax of all supported document types (CSV, XML, HTML, CSS, and JSON)
Sort Reverse command
Speed Improvement (CSV mode, Syntax Check (CSV), Adjust Separator Position (Whole Document), and Delete Duplicate Lines commands)

Version 18.9

Sort IP Addresses commands
Find/Replace/Filter a specified range of IPv4/IPv6 addresses
Speed Improvement (Save, Save As)

Version 18.8

Speed Improvement (opening very large files, Find/Replace/Filter, the Uppercase, Lowercase, Capitalize, Full-width, and Half-width commands using multi-threaded code and the AVX-2 instruction set, and when the document contains very long lines)

Version 18.7

Clear Contents command
Speed Improvement (Sort and Delete Duplicate Lines using multi-threaded code, Replace All using AVX-2 instruction set, and when the document contains very long lines)

Version 18.6

Multiple selection improvement
Speed Improvement (Open very large files without temporary files, Remove Newlines, and Replace All)

Version 18.5

Speed Improvement (Open very large files, Switch Wrap mode)
Keyboard shortcut assignments for CSV cell selection mode (F2 to edit cell, Ctrl+Right to move to the right edge)
New keyboard shortcuts (Alt+Ctrl+Right to extend vertical selection)
Advanced Filter improvements

Version 18.4

Number Range Expressions
Replacement Expression using JavaScript
Speed Improvement (editing very long lines, highlight keywords using regular expressions)

Version 18.3

Sort Randomly
Advanced Filter improvements (Filter Bookmarked Lines Only, Match Newline Characters)
Speed Improvement (Replace All, Remove newlines, Switch to CSV mode)

Version 18.2