KNIME 4.4.1

What's new in this version:

New nodes:
- XML Reader (new file handling)
- JSON Writer (new file handling)
- XML Writer (new file handling)
- (Big Data Extensions): Spark Logistic Regression Learner (based on spark.ml)
- (Big Data Extensions): Spark Linear Regression Learner (based on spark.ml)

Enhancements:
- SVM Learner: Better error message when target column contains constant value
- SAP Reader (Theobald Software) with support for Kerberos authentication
Bug Fixes:
- Save As button sometimes disabled (but shouldn't)
- Problems deserializing AdapterCells containing blobs after restoring workflow
- Amazon S3 Connection (legacy) throws NoClassDefFoundError
- Path To String and Path To String (Variable) nodes do not work with workflow-relative paths if executed on KNIME Server
- External Tool node Error / Output View does not work anymore in 4.4.0
- Windows: KNIME 4.4. up to 30% slower than KNIME 4.3 (not using "server" VM)
- Arrow Python serializer fails with environments created by preference page on Windows
- JSON To XML Node generates an invalid XML
- Component views only work for top-level components
- Reader and writer node dialogs do not open in RWE anymore
- Drag and drop of shortlinks from workflows etc. not working anymore
- Dialog of Create Date&Time Range node cannot be closed
- Fix Metadata Browser on database connections without multi DB support
- Workbench focus lost when configuring node
- Parquet Reader and Writer fail with SMB Connector
- FTP Connector: Unable to list directory if it's name contains spaces
- FTP Connector: concurrency issue with the createDirectory method
- FTP Connector: "Execute failed: 150" error when running Table Reader node
- FTP Connector: OutputStream is extremely slow
- Deep learning: Installation tests do not use variable-controlled Python environment
- AP can't extract creation date from workflow
- NPE in Decision Tree to Ruleset if tree contains only the root node
- File Reader node description should refer to the Complex File Reader
- Python Object Writer has wrong default script
- Double Widget node overrides user input in scientific notation when lowercase 'e' is used
- Filter event fired on re-load after re-execution (Refresh Button) event does not contain filter information
- Typo: "Specifiy" in the Setup Component Wizard
- Deep learning conda environments specified via executor.epf are ignored
- No Focus on dialog when opening node configuration
- Closing and saving a workflow sometimes throws NPE
- MultiLayerPerceptron Predictor node: Node configuration is not in sync with node description
- Simple Streaming Executor can not handle inactive ports
- File Chooser Widget node leads to following error when clicking the refresh button
- Node view values not updated on config- or input-spec-change
- Default configuration of Strings to Document node can lead to NPE errors
- Conda Env Prop node needs to clean up after itself when conda env re-creation fails
- Python: Dialog panes of scripting nodes throw NullPointerException/IndexOutOfBoundsException
- Double Configuration node overrides user input in scientific notation if lowercase 'e' is used
- Credentials Widget does not save KNIME Server Login
- Opening workflow with “External Tool” node with invalid dialog settings causes errors even if configured using flow variable
- Keras: Unmaterialized port object does not use variable-controlled Python environment
- Component on server can't be overwritten from KNIME Explorer
- Keras: LSTM layers cause OpenMP Error #15 (Mac only)
- Downstream metanodes prevent re-execution of single page