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ClassCast exception when reading from specific sqlite db

bugSomething isn't workingSomething isn't working

databasesJDBC related issuesJDBC related issues

Status: Open.

#964 In Kotlin/dataframe;

· koperagen opened on Nov 25, 2024

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 missing big number test cases for statistics

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

Status: Open.

#1493 In Kotlin/dataframe;

· Jolanrensen opened on Oct 13, 2025

Add Kdocs for GeoDataFrame IO

geoAnything related to the GeoDataFrameAnything related to the GeoDataFrame

KDocsImprovements or additions to KDocsImprovements or additions to KDocs

Status: Open.

#1566 In Kotlin/dataframe;

· AndreiKingsley opened on Nov 13, 2025

Add KDocs for function Split

KDocsImprovements or additions to KDocsImprovements or additions to KDocs

Status: Open.

#1471 In Kotlin/dataframe;

· zaleslaw opened on Oct 2, 2025

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

Compiler plugin generated local types from @Composable lambdas don't work

bugSomething isn't workingSomething isn't working

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.

#1604 In Kotlin/dataframe;

· Jolanrensen opened on Dec 3, 2025

Add check for "is primitive or mixed Number column" for statistics in compiler plugin

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

enhancementNew feature or requestNew feature or request

Status: Open.

#1476 In Kotlin/dataframe;

· Jolanrensen opened on Oct 6, 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

☂ Publish core without AccessOverloadApi annotated functions by default and additional core-compact artifact

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

☂ umbrella issueLabel assigned to issues that are collections of smaller issuesLabel assigned to issues that are collections of smaller issues

Status: Open.

#1156 In Kotlin/dataframe;

· koperagen opened on Apr 28, 2025

Do not support KSP2.

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.

#1445 In Kotlin/dataframe;

· li-fcb1899 opened on Sep 13, 2025

Update groupBy and pivot website documentation

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

Status: Open.

#1535 In Kotlin/dataframe;

· AndreiKingsley opened on Oct 31, 2025

Plugin behaves abnormally when add is called in a function

bugSomething isn't workingSomething isn't working

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

Status: Open.

#1490 In Kotlin/dataframe;

· mattbaumann opened on Oct 10, 2025

Migrate Netflix notebook to Beta-5

Status: Open.

#1591 In Kotlin/dataframe;

· zaleslaw opened on Nov 27, 2025

Dataframe-jdbc is too restrictive in what SQL it accepts

databasesJDBC related issuesJDBC related issues

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

Status: Open.

#1671 In Kotlin/dataframe;

· strindberg opened on Jan 30, 2026

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

Modernize the Hibernate example if it's possible on the current version

databasesJDBC related issuesJDBC related issues

examplesSomething related to the examplesSomething related to the examples

Status: Open.

#1680 In Kotlin/dataframe;

· zaleslaw opened on Feb 10, 2026

Make Documentation guidelines

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

Status: Open.

#1690 In Kotlin/dataframe;

· AndreiKingsley opened on Feb 17, 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