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Make :examples be separate projects and use the compiler plugin

Compiler pluginAnything related to the DataFrame Compiler PluginAnything related to the DataFrame Compiler Plugin

examplesSomething related to the examplesSomething related to the examples

infrastructureGitHub actions, Gradle Scripts, Writerside, etc.GitHub actions, Gradle Scripts, Writerside, etc.

Status: Open.

#1614 In Kotlin/dataframe;

· Jolanrensen opened on Dec 5, 2025

Document and test DataColumnArithmetics.kt

documentationImprovements or additions to documentation (not KDocs)Improvements or additions to documentation (not KDocs)

KDocsImprovements or additions to KDocsImprovements or additions to KDocs

testsSomething related to the JUnit tests, integration tests or testing infrastructureSomething related to the JUnit tests, integration tests or testing infrastructure

Status: Open.

#530 In Kotlin/dataframe;

· Jolanrensen opened on Dec 6, 2023

Migrate java.time.format.DateTimeFormatter to kotlinx.datetime.format.DateTimeFormat

APIIf it touches our APIIf it touches our API

enhancementNew feature or requestNew feature or request

Status: Open.

#876 In Kotlin/dataframe;

· Jolanrensen opened on Sep 20, 2024

Add internal DataFrame.toCode utility to help convert examples

Status: Open (in progress).

Kotlin/dataframenumber 1603

#1603 In Kotlin/dataframe;

· koperagen opened on Dec 3, 2025

Provide filter overload to replace colGroups(predicate<ColumnGroup>)

enhancementNew feature or requestNew feature or request

Status: Open (in progress).

Kotlin/dataframenumber 1359

#1359 In Kotlin/dataframe;

· koperagen opened on Aug 4, 2025

Documentation for replaceAll

documentationImprovements or additions to documentation (not KDocs)Improvements or additions to documentation (not KDocs)

Status: Open (in progress).

Kotlin/dataframenumber 738

#738 In Kotlin/dataframe;

· koperagen opened on Jun 14, 2024

Aggregation of empty grouped df should still generate columns

bugSomething isn't workingSomething isn't working

Status: Draft (not ready).

Kotlin/dataframenumber 1537

#1537 In Kotlin/dataframe;

· Jolanrensen opened on Oct 31, 2025

String API workflow with compiler plugin

Compiler pluginAnything related to the DataFrame Compiler PluginAnything related to the DataFrame Compiler Plugin

documentationImprovements or additions to documentation (not KDocs)Improvements or additions to documentation (not KDocs)

Status: Open.

#1678 In Kotlin/dataframe;

· koperagen opened on Feb 9, 2026

Update JDBC documentation for Beta5

databasesJDBC related issuesJDBC related issues

documentationImprovements or additions to documentation (not KDocs)Improvements or additions to documentation (not KDocs)

Status: Open.

#1703 In Kotlin/dataframe;

· Jolanrensen opened on Feb 19, 2026

Expanding and updating custom SQL DB docs

documentationImprovements or additions to documentation (not KDocs)Improvements or additions to documentation (not KDocs)

Status: Open (in progress).

Kotlin/dataframenumber 1710

#1710 In Kotlin/dataframe;

· Jolanrensen opened on Feb 23, 2026

Add require operation

enhancementNew feature or requestNew feature or request

Status: Open (in progress).

Kotlin/dataframenumber 1715

#1715 In Kotlin/dataframe;

· koperagen opened on Feb 27, 2026

Provide clearer error message for unsupported local @DataSchema data class

Compiler pluginAnything related to the DataFrame Compiler PluginAnything related to the DataFrame Compiler Plugin

Status: Open.

#1721 In Kotlin/dataframe;

· Jolanrensen opened on Mar 3, 2026

Compiler plugin crash when updating to kotlin 2.3.x

bugSomething isn't workingSomething isn't working

Compiler pluginAnything related to the DataFrame Compiler PluginAnything related to the DataFrame Compiler Plugin

Status: Open.

#1723 In Kotlin/dataframe;

· CHervaudBetclic opened on Mar 3, 2026

Add groupBy and pivot aggregations KDocs

KDocsImprovements or additions to KDocsImprovements or additions to KDocs

Status: Open.

#1528 In Kotlin/dataframe;

· AndreiKingsley opened on Oct 29, 2025

Added kdocs for DataSchema and DataRowSchema

KDocsImprovements or additions to KDocsImprovements or additions to KDocs

Status: Open (in progress).

Kotlin/dataframenumber 1775

#1775 In Kotlin/dataframe;

· koperagen opened on Mar 27, 2026

Use a new sample to illustrate the fillNaNs function in the website documentation

documentationImprovements or additions to documentation (not KDocs)Improvements or additions to documentation (not KDocs)

Status: Open.

#1786 In Kotlin/dataframe;

· Allex-Nik opened on Apr 2, 2026

Added more targets for DisableInterpretation to help combine use of plugin together with library code

Compiler pluginAnything related to the DataFrame Compiler PluginAnything related to the DataFrame Compiler Plugin

Status: Open (in progress).

Kotlin/dataframenumber 1790

#1790 In Kotlin/dataframe;

· koperagen opened on Apr 3, 2026

Kotlin datetime format

Status: Open (in progress).

Kotlin/dataframenumber 1777

#1777 In Kotlin/dataframe;

· Jolanrensen opened on Mar 30, 2026

Regression in dataframe-arrow: reading from org.apache.arrow.vector.complex.ListVector is not implemented

bugSomething isn't workingSomething isn't working

Status: Open.

#1804 In Kotlin/dataframe;

· Jolanrensen opened on Apr 15, 2026