intellij-csv-validator

Changelog

Unreleased

Added

Changed

Removed

Fixed

252.56.0 - Nov 09, 2026

Added

• Added drag-and-drop for multiple selected rows or columns, including non-adjacent selections, moving them as one ordered block with Undo/Redo and preserved column widths

Changed

• Table editor and editable diff cells now require a double-click to start editing; single-click selects a cell and dragging selects a range of rows and columns
• Simplified table-header dragging and rendering, reducing allocations and unnecessary column moves while preserving frozen-column behavior and row-number header styling
• Reduced horizontal cell padding while keeping focused and unfocused cell content aligned

Fixed

• Fixed an exception when opening diffs for documents without an assigned file type (#1144)
• Fixed CSV/TSV/PSV editor-provider timeouts caused by waiting for unnecessary PSI read access while opening files (#1143)

252.55.0 - Nov 07, 2026

Added

• Added a “CSV Table” view to the IDE’s diff viewer that compares CSV/TSV/PSV records side by side, highlights changed cells, and supports editing cells and applying changes to either writable side with Undo/Redo (#255)
• Added a resizable row-number column in the table editor, with the chosen width saved per file and existing automatic sizing preserved until manually resized

Changed

• Unified column reordering and quoting/unquoting behind shared document-editing operations for the text and table editors
• Reorganized shared table models, editing/search support, and Swing rendering into neutral packages, keeping file-editor and diff-specific adapters separate
• Simplified tabular formatting and unified table context-menu creation without changing editor behavior
• Replaced scheduled-for-removal IntelliJ Platform APIs for table-editor action data and CSV file references while retaining support for 2025.2 and newer
• Improved README clarity by shortening table-editor documentation and focusing on key behavior

Removed

• Removed duplicate searching and commenting on existing GitHub issues when submitting error reports
• Removed unused helpers, obsolete formatter metadata, inactive settings notifications, and production APIs used only by tests

Fixed

• Fixed text-editor column shifts to preserve final line breaks and quote comment-like values moved into the first column
• Fixed IDE read-access errors when hovering over the table editor after PSI cache invalidation (#1140)
• Fixed table-editor flickering and misplaced content at fractional display scaling by refreshing stale table and header snapshots after scrolling or resizing
• Fixed GitHub error reporting compatibility with IntelliJ Platform 2026.3 by using public authentication APIs while retaining support for 2025.2 and newer
• Fixed IDE startup freezes when opening CSV files by loading saved separator and escape settings in the background before constructing the text or table editor
• Fixed IDE startup freezes during CSV settings cleanup by preventing slow filesystem checks from blocking syntax highlighting and IDE write actions
• Fixed plugin-verification failures caused by calling an override-only IntelliJ Platform API during synchronous table-editor creation

252.54.0 - Nov 03, 2026

Added

• Added the general setting “Hide editors of other plugins”, disabled by default, which keeps the CSV text and table editors available and first when other plugins, such as Big Data Tools, hide all other editors of CSV/TSV files (#937)

Changed

• Modernized the plugin icon shown in the IDE’s plugin list and on JetBrains Marketplace, with light and dark theme variants
• The text editor’s field information (value, header, and column number) is now shown on hover and via Quick Documentation (Ctrl+Q / F1), computed only for the requested value
• Tab-separator highlighting depends only on the “Highlight tab separator” setting and no longer requires “Show info balloon”

Removed

Fixed

• Quoted values keep their quotes when edited or replaced in the table editor, and leaving a cell unchanged no longer rewrites it (#209)
• Computing file icons no longer loads the syntax tree of non-CSV files, which caused “Outdated stub in index” errors in other languages such as PHP (#1124)
• Fixed IDE freezes and high memory use when editing large CSV/TSV/PSV files, caused by one highlight per field for the info balloon and per tab separator

252.53.0 - Oct 30, 2026

Added

• Added padded cells, a flat header, and rounded scrollbars to the Swing table editor, following the IDE’s light or dark appearance
• Added Find/Replace in the table editor, with IDE shortcuts, match navigation, case/word/regex options, and Replace All (#430)
• Added per-file frozen columns in the table editor, with header context-menu actions to freeze through the selection or unfreeze all columns (#195, #319)
• Added persistent column-header and row-number dragging and context-menu actions for moving selected rows and columns in the table editor (#391, #486)
• Added CSV and spreadsheet paste in the table editor, starting at the focused cell, overwriting existing values, and adding rows or columns only when needed (#77)
• Added a text-editor setting to enable or disable active-column highlighting and adjust the maximum number of highlighted rows
• Added configurable table-editor key bindings through the IDE’s Keymap settings, with changes applied immediately in open table editors (#836)
• Added text- and table-editor toggle buttons to the right side of the editor tab bar, making the views easier to find than the bottom tabs; the switch actions are also available via Find Action and Keymap
• Added selected-field sync when switching between the text and table editor: the table selects the cell at the text caret, and the caret moves to the focused table cell; it can be disabled with the new general setting “Keep selected field when switching editors”

Changed

• Adopted IDE-based VVV.X.x versioning, starting at 252.53.0 after 52 historical major releases
• Raised the minimum supported IntelliJ Platform version to 2025.2, following the official IDE release cycle with a one-year delay
• Updated Gradle, IntelliJ Platform build tooling, parser/lexer generation, test dependencies, and CI actions while retaining Java 21 compatibility
• Made spellchecker registration optional and updated search and settings integration for IntelliJ Platform 2025.2 and newer
• Improved automatic column sizing in the table editor to account for rendered cell padding and column headers
• Copying table selections now provides properly quoted CSV using the file’s separator and escape settings, while preserving HTML table copying
• Replaced table-editor context-menu icons with a consistent SVG set, including move and freeze/unfreeze actions, with light/dark theme variants and HiDPI scaling
• Modernized CSV, TSV, and PSV file-type icons while retaining their document-and-table design, using distinct violet, slate-blue, and teal colors; replaced field, header, and transparent placeholder icons with SVGs

Fixed

• Avoid prohibited IDE read-action entry during table/header painting by reusing existing read access or deferring unlocked paints without caching CSV data (#1116)
• Fixed active-column highlighting interfering with Find/Replace by clearing column highlights while search is open (#371)
• Fixed table-editor flickering and rendering glitches: comment rows now edit, select, and repaint across their full span, and cells no longer shift vertically or show stray scrollbars when hovering or searching

4.6.0 - Oct 18, 2026

Fixed

• Fixed table-editor row and column insertion shortcuts placing new entries at the first or last position instead of the current selection
• Fixed queued table-editor row and column changes applying column edits at stale document offsets
• Fixed CSV settings notification links failing to resolve the matching settings page on newer IntelliJ Platform versions (#1102)

Changed

• Streamlined CsvTableModelBase by removing redundant asynchronous PSI resolution, eliminating side effects during table model reads, and ignoring unrelated project PSI tree changes
• Optimized CsvTableModelSwing update coalescing using IntelliJ’s Alarm on the EDT, eliminating background thread hopping and duplicate table changed event firings
• Refactored CsvPsiTreeUpdater to avoid nested read/write actions, eliminated Swing dependencies from core PSI utilities, and improved thread safety and batching during table edits

4.5.0 - Oct 10, 2026

Fixed

• Fixed read access violations when editing a table cell on the EDT (#1087, #1090, #1093, #1095)
• Fixed read access violations when the table editor paints comment rows by caching comment-row information (#1092)
• Prevented concurrent CSV spell-checking calls from triggering Grazie initialization races (#1094)
• Guarded CSV PSI updater preparation and related table/intention paths with read actions to prevent EDT read-access violations; added integration regression coverage

Changed

• Improved intentions and inspection fixes to apply all edits as a single document change

4.4.1 - Oct 04, 2026

Fixed

• Fixed a PluginException during action registration on newer IntelliJ Platform versions by removing invalid keep-content attributes from the CSV action groups (#1084, #1085)

4.4.0 - Oct 03, 2026

Changed

• Replaced internal StructureViewBuilder.getProvider() usage with the public TextEditorProvider.getStructureViewBuilder(...) API

Fixed

• Isolated GitHub request progress indicators from the report task to prevent nested progress lifecycle errors (#1080)
• Batched table column additions and deletions into a single document edit to avoid UI freezes from repeated change notifications (#1079)
• Quoted automated report titles in GitHub duplicate searches to prevent invalid query syntax (#1078)
• Prevented stale CSV PSI instances from being retained or applied after a table editor is disposed or its file provider changes (#1063, #1064)
• Fixed java.lang.Throwable: Cannot find element among its parent' children in CsvValidationInspection when multiple CSV files are present in a directory (#999, #1066)
• Fixed read access violations when the table editor refreshes its model on the EDT (#1067)
• Fixed read access violations when the table editor paints comment rows and reads cell values on the EDT (#1060)
• Avoided file-size probing for non-local CSV files during editor-provider acceptance checks (#1076)
• Avoided eager CSV file attribute state initialization during project startup (#958)
• Opened CSV settings links through configurable predicates to avoid premature searchable-options lookup (#983)
• Fixed focused editable cells in the table editor to use the table’s foreground and background colors

4.3.1 - Jun 26, 2026

Fixed

• Fixed java.lang.IllegalStateException: This method is forbidden on EDT because it does not pump the event queue when opening the table editor #1050
• Fixed RuntimeExceptionWithAttachments: Access is allowed from Event Dispatch Thread (EDT) only in CsvPlugin.openLink #1008
• Optimized CsvFileEditorProvider.accept to avoid TimeoutCancellationException by removing redundant service access. #1033

4.3.0 - Jun 21, 2026

Changed

• replaced deprecated function ReadAction.compute(ThrowableComputable)
• replaced internal function PluginManagerCore.getPlugin(PluginId)
• branch code for retrieving plugin info for legacy vs EAP version

Fixed

• Fixed NullPointerException when plugin descriptor is not available during startup
• Fixed NoClassDefFoundError in CsvEditorSettings
• Fixed java.lang.Throwable: ... Class initialization must not depend on services by removing service access from class initializers and constructors
• Fixed a PluginException (caused by java.lang.IllegalArgumentException) that occurred during early plugin initialization
• PluginException: Invalid PSI Element CsvFile when file is invalidated during annotation, intention actions, or inspection fixes #964
• IncorrectOperationException: parent CsvTableEditorSwing already disposed when async PsiTreeChangeListener registration completes #962
• Modified CsvPlugin.openLink to use executeOnPooledThread for setting dialogs #953
• Modified CsvEditorSettings.java to ensure all getter methods access the internal OptionSet directly instead of calling getState() #954
• GithubStatusCodeException: 422 Unprocessable Entity - Validation Failed during issue submission #920

4.2.0 - Jan 26, 2026

Fixed

• Compatibility verification issues
• Invalid PSI Element - class CsvFile because different providers
• PluginException - Element class CsvFile - file is invalid #923
• NullPointerException #933
• PluginException - Cannot check provider net.seesharpsoft.intellij.plugins.csv.editor.table.CsvTableEditorProvider #919
• ExceptionInInitializerError #916
• GithubStatusCodeException - 422 Unprocessable Entity - Validation Failed [Search; q]invalid: null #920
• com.intellij.diagnostic.Freeze #921
• Correct short name format
• Slow operations are prohibited on EDT #936
• This method is forbidden on EDT because it does not pump the event queue #940
• Argument for @NotNull parameter ‘document’ of PsiDocumentManagerImpl.getPsiFile must not be null #941

4.1.0 - Sep 07, 2025

Fixed

• Access is allowed with explicit read lock #898 #901
• Rework CSV file detection for FileEditorProvider #904
• Legacy configurable id calculation mode from localizable name will be used for configurable class CsvCodeStyleSettingsProvider. Please override getConfigurableId or getLanguage. #909

Changed

• Project structure refactoring to avoid circular dependencies

4.0.2 - Dec 29, 2024

Added

• Localization support for actions

Fixed

• Usage of correct resource bundle
• NotNull parameter ‘parent’ of getFirstChildOfType #886

4.0.1 - Dec 08, 2024

Added

• Localization support

Changed

• Upgrade to gradle 8.10
• Improve check for CsvFile
• Code cleanup

Fixed

• Read access is allowed from inside read-action only #878
• Failsafe acceptCsvFile check #882
• Use ProjectActivity instead of StartupActivity

4.0.0 - Oct 07, 2024

Added

• Tabularize formatting is back!

Changed

• Text editor is shown first by default

3.4.0 - Aug 10, 2024

Fixed

• ActionUpdateThread.OLD_EDT is deprecated and going to be removed soon
• Cannot create class CsvEditorSettingsProvider

3.3.0 - Feb 24, 2024

Fixed

• StringIndexOutOfBoundsException: begin 0, end -1, length 5993 #801
• Unhandled exception in [CoroutineName(PsiAwareFileEditorManagerImpl)] #666

3.2.3 - Nov 05, 2023

Added

• Prevent github issue submitter spam

Fixed

• Improve issue duplicate finder

3.2.2 - Oct 14, 2023

Fixed

• NullPointerException: Cannot invoke “getSelectedColumn()” because “tblEditor” is null #519
• IllegalStateException: Attempt to modify PSI for non-committed Document! #516
• StringIndexOutOfBoundsException: begin 0, end -1, length 5995 #511
• ArrayIndexOutOfBoundsException: 12 >= 12 #482

3.2.1 - Jul 08, 2023

Added

• add support for upcoming IntelliJ version 2023.2.*

Fixed

• broken tests

3.2.0 - May 12, 2023

Fixed

• Argument for @NotNull parameter ‘tableEditor’ of CsvTableActions.adjustColumnWidths must not be null #431
• NullPointerException #429
• Comment handling breaking in table editor #451

Added

• prevent error report flooding

3.1.0 - Feb 27, 2023

Fixed

• NullPointerException: Cannot invoke “URL.toExternalForm()” because “location” is null #424
• java.lang.ArrayIndexOutOfBoundsException: 0 >= 0 #418

3.0.3 - Feb 10, 2023

Fixed

• Argument for @NotNull parameter ‘anchor’ of CsvPsiTreeUpdater.appendField must not be null #392
• ArrayIndexOutOfBoundsException: 8 >= 8 #396
• catch unreasonable exception when retrieving service #410
• NullPointerException: Cannot invoke “CsvTableEditor.getActions()” because the return value of “CsvTableEditorActions.getTableEditor(AnActionEvent)” is null #394

Added

• 358 ms to call on EDT CsvChangeSeparatorActionGroup#update@EditorPopup #401

3.0.2 - Dec 15, 2022

Fixed

• first extension sanity check

3.0.1 - Nov 12, 2022

Fixed

• image in plugin description
• plugin update restart

3.0.0 - Nov 09, 2022

MAJOR UPDATE VERSION 3

• renamed plugin to ‘CSV Editor’
• fixed all compatibility issues with respect to IntelliJ platform 2022.*
• rework language lexer
• simplification of formatter & remove ‘Tabularize’ formatting
• remove slow & (useless) structure view
• adjusted setting dialogs
• integrated GitHub issue reporter in case plugin raises an exception
• removed TSV & PSV language, only CSV language but different filetypes
• use PSI Tree as data source
• integrate with native IntelliJ IDE document change handler (e.g. for undo/redo)
• simplify UI/UX & remove header toolbar
• support showing and editing comment lines
• auto adjust row width
• manually adjust row height via dragging
• always use first line for header/column text

2.21.0 - Oct 26, 2022

Changed

• limit calculation and buffering of CSV column info data

Fixed

• short comments

2.20.0 - Oct 24, 2022

Fixed

• Cannot load from object array because “data” is null #335 #337
• Empty comment indicator

Added

• Support fast lexing for default comments
• Simplify & unify both lexers

2.19.0 - Jul 24, 2022

Added

• Ability to auto-reload changed files #316

Fixed

• NullPointerException when applying editor state #327
• additional disposed checks

2.18.2 - Dec 14, 2021

Fixed

• java.lang.NullPointerException #320
• Exception when Show info balloon is not selected #318

2.18.1 - Nov 04, 2021

Fixed

• set require-restart attribute

Added

• Ability to open urls from IntelliJ CSV view #312

2.18.0 - Oct 21, 2021

NOTE: Minimum version requirement changed to v2020.1 and newer

Fixed

• Show diff opens an empty window #306

2.17.1 - Jun 30, 2021

Fixed

• Plugin not showing column at caret Ctr+F1 #300
• Past few versions of this plugin don’t show colors #298

2.17.0 - Jun 21, 2021

Added

• Plugin name ### Changed

• CSV

Fixed

• Null pointer when using csv rendering in Markdown documentation #292
• NullPointerException on startup #295

2.16.4 - May 27, 2021

Fixed

• fully prevent calculateDistributedColumnWidth on erroneous CSV #283
• Memory leak of PsiFile #284

2.16.3 - Apr 24, 2021

Fixed

• Exception in CSV plugin when using with remote SSH host #279

2.16.2 - Apr 21, 2021

Fixed

• Editor complaining about crashes on PyCharm 2021.1 #274

2.16.1 - Apr 20, 2021

Fixed

• keep existing & correct entries in CSV attributes map

2.16.0 - Apr 18, 2021

Added

• Ability to split on ASCII separator character \x1e #267
• “General” settings group

Fixed

• Lower annotator severity to not appear as problem
• Prevent non CSV entries in CSV attributes map #268

2.15.1 - Mar 25, 2021

Fixed

• Rainbow Values no longer works #265

2.15.0 - Mar 23, 2021

Added

• Default value separator #259

Fixed

• Removal of deprecated function usage

2.14.4 - Feb 14, 2021

Added

• Auto detect value separator (by count)

2.14.3 - Oct 10, 2020

Added

• Added default “Header row fixed” setting
• Support “Comment with line comment” #247

Fixed

• “Value coloring” change not applied to open files

2.14.2 - Sep 17, 2020

Fixed

• Settings reset every update #245
• Removing comment indicator causes parsing errors

2.14.1 - Aug 14, 2020

Fixed

• Performance for indexing large CSV files #239

2.14.0 - Aug 04, 2020

Added

• Table Editor coloring

2.13.0 - Jul 20, 2020

Added

• Support for customizable line comments (‘#’ indicates a line comment per default)

2.12.0 - Jun 14, 2020

Added

• flexible settings format for value separator & escape character

Fixed

• no accessors for class CsvValueSeparator #221
• Default Value Separator get frequently reset to comma, changes only applied after restart #222

2.11.1 - May 9, 2020

Fixed

• Memory issues and freezes after updating #204

2.11.0 - May 8, 2020

Added

• Adding custom separator #177

2.10.0 - Apr 19, 2020

Fixed

• resolve CSV/TSV file type conflict for versions 2020.* with Database plugin

2.9.3 - Mar 08, 2020

Added

• option to keep trailing spaces for CSV/TSV/PSV files

Fixed

• consider escape char inside quotes as escaped text

2.9.2 - Feb 24, 2020

Fixed

• Backslash in text is considered a special character #184
• NullPointerException thrown when trying to view CSV as table #185

2.9.1 - Feb 15, 2020

Fixed

• update failed for AnAction #181
• selection indicator for default separator action

2.9.0 - Feb 07, 2020

Added

• lots of cleanup & rework

2.8.2 - Jan 22, 2020

Fixed

• horizontal scrolling within table editor #169

2.8.1 - Nov 22, 2019

Fixed

• vertical scrolling within table editor #164

2.8.0 - Oct 12, 2019

Added

• improved font handling in table editor #122

Fixed

• proper font handling in balloon tooltips

2.7.1 - Sep 26, 2019

Support for IDE v192.*

2.7.0 - Sep 16, 2019

Added

• add separator selection to table editor #140

Fixed

• coloring of table cells (e.g. selection mode)
• enter edit mode via keyboard (e.g. ENTER key in cell)

2.6.4 - Aug 30, 2019

Fixed

• scrollable table cells
• auto cell height computation

2.6.3 - Aug 25, 2019

Fixed

• Index out of bound error on multi line clear cells #151

2.6.2 - Aug 09, 2019

Fixed

• AssertionError: Already disposed: Project (Disposed) #147
• No fallback font used in table editor #145

2.6.1 - Aug 01, 2019

Added

• plugin logo icons added (Thx to FineVisuals for support)

2.6.0 - Jul 18, 2019

Added

• Table column width calculation and adjustment based on content

2.5.1 - Jun 25, 2019

Fixed

• ConcurrentModificationException in MultiLineCellRenderer

2.5.0 - May 16, 2019

Added

• PSV file support

Fixed

• NullPointerException in StorageHelper class

2.4.0 - May 11, 2019

Added

• file based value separator (e.g. ‘,’ or ‘;’)

2.3.1 - Mar 31, 2019

Added

• use default color scheme & font for table editor as well

Fixed

• ConcurrentModificationException tackled (table editor)

2.3.0 - Mar 04, 2019

Added

• Zoom table-editor cells with Ctrl+Mouse Wheel (contribution by @royqh1979)

Fixed

• Scratches are now recognised as CSV
• Several issues resolved by reworking column/row editing

2.2.1 - Jan 26, 2019

Fixed

• ArrayIndexOutOfBoundsException when opening a CSV file with an unexpected separator (table editor)
• ConcurrentModificationException during event handling (table editor)

2.2.0 - Jan 13, 2019

Added

• option to fixate first row as header (table editor)
• row numbers (table editor)

Fixed

• exception when clicking to right of populated columns (table editor)
• keep leading/trailing whitespaces (table editor)

2.1.0 - Jan 01, 2019

Added

• table editor values not longer enforced to be quoted on save (customizable)

Fixed

• prevent backspace/delete erasing cell value while editing (table editor)

2.0.2 - Dec 16, 2018

Fixed

• top and bottom panel scrollable & add column/row buttons removed

2.0.1 - Dec 02, 2018

Fixed

• disabling table editor for large files
• applying row height for newly opened files

2.0.0 - Nov 20, 2018

Added

• CSV/TSV table editor!!!

1.9.1 - Oct 12, 2018

Fixed

• reading/writing CSV editor states
• tooltip for tab separator if disabled

1.9.0 - Oct 01, 2018

Added

• Enable/disable balloon info
• Soft wrap settings specific for CSV/TSV

1.8.2 - Sep 20, 2018

Added

• Customizable column coloring (File > Settings > Editor > Color Scheme > CSV)

1.8.1 - Aug 16, 2018

Added

• East Asian full-width character support for ‘Tabularize’ (optional) - disabled by default due to lower performance

1.8.0 - Jul 05, 2018

Added

• Custom ‘Wrapping’ settings
• Column highlighter takes whitespaces into account
• several code & performance improvements

Changed

• Column highlighting only happens on selection

Fixed

• CSV column info tooltip trumps spellchecker tooltip (but keeps the visualization of a typo)
• Show tooltip even when caret is at the last position withing the CSV file
• Support for suppressing inspections not relevant for CSV (e.g. ‘Problematic Whitespace’)
• Structure View: proper handling of elements (instead of endless loading)

1.7.0 - Jun 19, 2018

Added

• Annotated values: tooltip shows the value itself, the header and the column index
• Active column (caret position) is colored differently
• several code & performance improvements

Fixed

• ‘Add separator’ inspection is adding correct separator (e.g. tabs in TSV files)

1.6.1 - May 11, 2018

Added

• New icons

1.6.0 - Apr 02, 2018

Added

• it was necessary to increase the minimum IDE version from 2016.1.1 to 2016.3.2 due to a required fix in the formatting code. Previous versions of the plugin can still be downloaded directly from Jetbrains Plugin Repository.

1.5.1 - Mar 21, 2018

Added

• intentions to shift a whole column left/right (includes bugfix for breaking intention functionality on previous IDE versions)

1.5.0 - Feb 10, 2018

Added

• intentions to shift a whole column left/right

1.4.1 - Jan 19, 2018

Handle tabs as 1-length character - fixes ‘Tabularize’ for csv files with tabs Fix default settings initialization

This site is open source. Improve this page.