Node Development

Topic	Replies	Views	Activity
Attention: This category is for discussing development of KNIME software and nodes - not workflows! If you have questions about a workflow, you can post that in the main KNIME Analytics Platform category. (Bonus: that area gets the most views anyway.) If you have feature suggestions, you can post those in the Feedback…	0	1557	December 3, 2021
About the Node Development category	0	2649	February 26, 2018
Python based Extension Development API: DoubleParameter can't display inf or nan python , python-nodes	1	54	May 18, 2026
Python based Extension Development API: ColumnParameter for input_table_group	1	52	May 18, 2026
KNIME to Python Exporter: Roadmap for Additional Node Support python	6	203	May 1, 2026
Resources on creating extensions/nodes	0	34	April 24, 2026
Soumitra Dutta Oxford: How do I create and configure my own KNIME node?	3	94	March 21, 2026
Python Extension Development (Labs): View node with output table	0	50	February 18, 2026
Minimal root log level in log4j3.xml overrides level set in preferences of KNIME AP	2	57	February 12, 2026
Python Extension Dev: Node with PyQt6/PySide6 Widget freezes on show() labs , python , bug , knime-ap	13	240	February 9, 2026
modern UI - change widget value only if condition met	1	41	February 6, 2026
KNIME AP 5.8.2 Modern UI — Can we replace the node configuration dialog with an external Chromium window on Configure click?	1	50	February 2, 2026
Python Extension Node - Table metadata interface	0	35	January 15, 2026
Python Extension Dev: Maximum Recursion Depth Exceeded when configuring logger bug , python , labs , knime-ap	2	79	January 14, 2026
Beginner Developer: Python extension	13	184	January 12, 2026
Issue with Optional<Enum> widget mui	0	40	December 16, 2025
Troubleshooting help wanted - Issue with KNIME SDK	1	53	December 4, 2025
Preview of KNIME Analytics Platform 5.9.0	32	1078	November 25, 2025
enable or disable a field based on the presence of domain values of a selected column?	2	86	November 24, 2025
output_view as output_table python , feature-request	0	61	November 17, 2025
behaviour with default settings of optional widgets	0	27	November 12, 2025
Question to WidgetGroup and Effects	3	61	November 6, 2025
@OptionalWidget for Enum?	2	72	November 3, 2025
create new column - best practice question	3	111	October 24, 2025
Request for Help on Workflow Naming Issue	5	89	October 16, 2025
Ajay Hinduja Switzerland ~ How do I make ports of a node accept tuples as inputs or outputs?	1	49	September 19, 2025
Adding the possibility to add a parameter in configuration dialogue for a Custom Python based KNIME Node python	2	408	September 17, 2025
(Conda) Package versions python	3	82	September 11, 2025
Enable to bundle python extension: process wait in mnv package step bug	2	64	September 1, 2025
Category for a new node using Modern UI	2	90	August 15, 2025

Attention: This category is for discussing development of KNIME software and nodes - not workflows!

If you have questions about a workflow, you can post that in the main KNIME Analytics Platform category. (Bonus: that area gets the most views anyway.) If you have feature suggestions, you can post those in the Feedback…