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Kotlin Dataframe SQLite Integer cannot be cast to Boolean in Notebook

bugSomething isn't workingSomething isn't working

databasesJDBC related issuesJDBC related issues

Status: Open.

#1013 In Kotlin/dataframe;

· jlengrand opened on Jan 9, 2025

Update chapter "Kotlin for Data Analysis" on the Kotlin site

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

Status: Open.

#1344 In Kotlin/dataframe;

· zaleslaw opened on Jul 24, 2025

Update our documentation for working on Android use-case

Status: Open.

#1419 In Kotlin/dataframe;

· zaleslaw opened on Aug 29, 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

Replace documentation interfaces with (nested) typealiases to shrink jar size

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

KDocsImprovements or additions to KDocsImprovements or additions to KDocs

Status: Open.

#1423 In Kotlin/dataframe;

· koperagen opened on Sep 1, 2025

Notebooks fail with <code>T : Comparable&lt;T &amp; Any&gt;?</code> notation

bugSomething isn't workingSomething isn't working

Status: Open.

#1116 In Kotlin/dataframe;

· Jolanrensen opened on Apr 2, 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

Cannot resolve column from transitive schema in <code>AggregateGroupedDsl</code> with compiler plugin

bugSomething isn't workingSomething isn't working

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

Status: Open.

#1454 In Kotlin/dataframe;

· Jolanrensen opened on Sep 18, 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

Add KDocs and missed tests for <code>first</code> and <code>firstOrNull</code> functions

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.

#1279 In Kotlin/dataframe;

· zaleslaw opened on Jun 26, 2025

Upgrade guide for users 0.15 and below with all removals and deprecations

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

Status: Open.

#1296 In Kotlin/dataframe;

· zaleslaw opened on Jul 2, 2025

Provide <code>filter</code> overload to replace <code>colGroups(predicate&lt;ColumnGroup&gt;)</code>

enhancementNew feature or requestNew feature or request

Status: Open (in progress).

Kotlin/dataframenumber 1359

#1359 In Kotlin/dataframe;

· koperagen opened on Aug 4, 2025

Add Maven and Amper configurations/examples in the documentation

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)

examplesSomething related to the examplesSomething related to the examples

good first issueGood issues to pick-up for newcomersGood issues to pick-up for newcomers

Status: Open.

#722 In Kotlin/dataframe;

· koperagen opened on Jun 4, 2024

Column accessors not available when dataframe ghost type is nested

bugSomething isn't workingSomething isn't working

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

Status: Open.

#1469 In Kotlin/dataframe;

· Jolanrensen opened on Oct 2, 2025

Add check for "is primitive or mixed <code>Number</code> 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

FieldKind.of logic is wrong for FrameColumn/ColumnGroup

bugSomething isn't workingSomething isn't working

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

Status: Open.

#1498 In Kotlin/dataframe;

· koperagen opened on Oct 14, 2025

Type safe col ref does not work in rename/remove when switched to compiler plugin

bugSomething isn't workingSomething isn't working

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

Status: Open.

#1461 In Kotlin/dataframe;

· hantsy opened on Sep 23, 2025

Update <code>readFromSQL*</code> documentation on site

databasesJDBC related issuesJDBC related issues

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

Status: Open.

#1511 In Kotlin/dataframe;

· zaleslaw opened on Oct 17, 2025

Aggregating an empty DF does not make aggregation columns appear

bugSomething isn't workingSomething isn't working

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

Status: Open.

#1531 In Kotlin/dataframe;

· Jolanrensen opened on Oct 29, 2025

Add <code>PivotGroupBy</code> KDocs (reducing and aggregation methods)

Status: Open.

#1536 In Kotlin/dataframe;

· AndreiKingsley opened on Oct 31, 2025

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

(Nested) typealias KDocs

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

KDocsImprovements or additions to KDocsImprovements or additions to KDocs

Status: Draft (not ready).

Kotlin/dataframenumber 1543

#1543 In Kotlin/dataframe;

· Jolanrensen opened on Nov 3, 2025

Calling <code>importDataSchema()</code> without <code>enableExperimentalOpenApi</code> provides unhelpful exception

bugSomething isn't workingSomething isn't working

OpenAPIChanges related to OpenAPI, JSON (schema), etc.Changes related to OpenAPI, JSON (schema), etc.

Status: Open.

#1570 In Kotlin/dataframe;

· Jolanrensen opened on Nov 13, 2025

The compilation failed on the running Hibernate or other unsupported dataframe examples

bugSomething isn't workingSomething isn't working

Status: Open.

#1578 In Kotlin/dataframe;

· zaleslaw opened on Nov 20, 2025

Migrate Netflix notebook to Beta-4

Status: Open.

#1591 In Kotlin/dataframe;

· zaleslaw opened on Nov 27, 2025