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Version 2.0.0-M4

Version 2.0.0-M4 is the fourth milestone version of Apache NiFi 2.0.0.

Release Date: July 1, 2024

Jira Release Notes for 2.0.0-M4

Please refer to the Deprecated Components and Features documentation for items removed in this version.

Migrating Deprecated Components and Features for 2.0.0 includes current progress on the steps necessary for migrating certain components and features.

New Capabilities

  • Completely rebuilt user interface featuring system or user selectable dark mode!
  • Support for Kafka 3 in for both consumption and publishing with Kafka.
  • Now able to split binary Packet Capture (PCAP) with SplitPCAP
  • Microsoft Excel XLSX files can be split to individual sheets with SplitExcel.
    • This is a good example of the increasingly common usage of NiFi in the wild to capture and transform unstructured or semi-structured data and deliver it to systems such as databases, vector stores, and more.
  • DeleteFile allows for removal of local files
    • The List/Fetch pattern was the beginning of the movement and Delete* components help complete it.  NiFi is increasingly being used not just for the traditional continuous and automated capture of data streams but also for more change data capture/replication scenarios.
  • New interface for Python extensions supporting components which source new data called FlowFileSource

Notable Improvements

  • Added Python Processor support to MiNiFi framework
  • Added App Installation Token support to GitHub FlowRegistryClient
  • Improved framework keystore and truststore handling to support dynamic reloading for cluster communication
  • Changed from RSA to Ed25519 for signing and verification of Application Bearer Tokens

Breaking Changes

  • Moved nifi-python-extensions to new Git repository
  • Removed support for application property protection and encrypt-config
  • Removed REST API support for Apache Knox SSO authentication
  • Removed REST API support for Kerberos SPNEGO authentication

NiFi NAR Maven Plugin Version 2.0.0

Version 2.0.0 of Apache NiFi NAR Maven Plugin is a bug fix and dependency upgrade release.

Release Date: May 29, 2024

Highlights of the NAR Maven Plugin 2.0.0 release include:

  • Add a flag to skip documentation generation
  • Add Parameter Providers and Flow Analysis Rules as extension types
  • Attach extension-manifest.xml to build as an artifact
  • Dependencies housekeeping and move to Java 21 and Maven 3.9.6 to align with NiFi 2

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12354745

Version 2.0.0-M3

Version 2.0.0-M3 is the third milestone version of Apache NiFi 2.0.0.

Release Date: May 16, 2024

Jira Release Notes for 2.0.0-M3

Please refer to the Deprecated Components and Features documentation for items removed in this version.

Migrating Deprecated Components and Features for 2.0.0 includes current progress on the steps necessary for migrating certain components and features.

New Capabilities

  • The new Apache NiFi UI is included and available at the /nf context path!
    • The current stable and pre-existing nifi UI remains available at https://host:port/nifi
    • The new UI is available at https://host:port/nf
    • This is an entirely newly implemented UI that remains faithful to most of the existing user experience but cleans things in up in various ways.  It provides a far more modern stack to build on and includes various niceties such as a dark mode - to all those enterprises around the world that have been using NiFi in SOC or other dark rooms for a long time - we're sorry it took so long but you'll love the new dark theme.  Once the new UI has all the critical bits to be fully GA we will remove the old one and the only context path will be 'nifi'.
  • Python components can now be loaded from a NAR with included dependencies.  This allows for strong development processes which leverage pip or anacodona but keeps secure practices in place for deployment where such processes may be blocked.
  • OpenID Connect integration now supports the OAuth 2.0 Client Credentials Flow for programmatic access. The Authorization Code Flow now supports Proof Key for Code Exchange for enhanced security with browser-based authentication.
  • New RecordReader and support for Protobuf.
  • Support for OpenSearch to both publish and query vectors/embeddings.
  • New capability allows usage of a Flow Registry client where the 'registry' is simply a Github Repo.  The can greatly simplify the SDLC processes and this mechanism now supports branches!

Key Improvements

  • The Python integration is really solid and tested both at scale and for behaviors over long duration.  Logging behaviors and packaging options all improved.
  • We have upgraded nearly all major dependencies and thousands of minor dependencies to their latest available versions and removed components for which dependencies are no longer actively maintained.

Breaking Changes

  • Removed separate distribution of Kafka Connect modules from external modules
  • Removed Apache Accumulo 2 Processors and Services
  • Removed Apache Atlas Reporting Task
  • Removed Apache Hive 3 Processors and Services
  • Removed Apache Ranger Plugin
  • Removed Apache Solr Processors
  • Removed Cassandra 3 Processors and Services
  • Removed ConvertAvroToJSON Processor
  • Removed Couchbase Processors and Services
  • Removed Datadog Reporting Task
  • Removed ExecuteStateless Processor
  • Removed InvokeAWSGatewayApi Processor
  • Removed Spark Livy Components

Version 2.0.0-M2

Version 2.0.0-M2 is the second milestone version of Apache NiFi 2.0.0.

This version includes a number of new features and substantial dependency upgrades, as well as several breaking changes.

Release Date: January 29, 2024

Jira Release Notes for 2.0.0-M2

New Components

  • Controller Services
    • DatabaseTableSchemaRegistryService
    • StandardKustoIngestService
    • StandardJsonSchemaRegistry
    • ZendeskRecordSink
  • Processors
    • CalculateParquetOffsets
    • CalculateParquetRowGroupOffsets
    • FilterAttribute
    • PublishSlack
    • PutMongoBulk
    • PutAzureDataExplorer
    • PutZendeskTicket

Notable Upgrades

  • Spring Framework 6
  • Jetty 12
  • Jakarta Servlet API 6
  • Jakarta XML Binding 4
  • Swagger 2 annotations
  • OpenAPI 3.0 REST API specification

Breaking Changes

  • Removed MiNiFi C2 Server modules and Docker image configuration
  • Relocated JoltTransformJSON and JoltTransformRecord from nifi-standard-nar to nifi-jolt-nar
  • Removed InfluxDB Processors
  • Removed Bootstrap Notification Services
  • Moved from SimpleDateFormat to DateTimeFormatter for date and time parsing and formatting
  • Moving from Servlet API 3 and Servlet API 6 requires custom user interface extensions to be updated and recompiled

Version 2.0.0-M1

Version 2.0.0-M1 is the first milestone version of Apache NiFi 2.0.0. This version includes over 900 issues resolved, including new features as well as numerous improvements and bug fixes.

Please refer to the Deprecated Components and Features documentation for items removed in this version.

Migrating Deprecated Components and Features for 2.0.0 includes current progress on the steps necessary for migrating certain components and features.

Release Date: November 25, 2023

Jira Release Notes for 2.0.0-M1

New Features and Changes for 2.0.0-M1

  • Initial version of native Python API for Processors
  • Stateless Execution mode for Process Groups
  • Flow Analysis Rules API
  • Kubernetes-based Leader Election and State Management extensions
  • Python-based Processors for interacting with ChatGPT and Vector Databases
  • ListenOTLP Processor for collecting OpenTelemetry
  • ListenSlack and ConsumeSlack Processors for handling messages from Slack
  • EncryptContentAge and DecryptContentAge Processors supporting age-encryption.org specification
  • Schema Registry Services for Amazon Glue and Apicurio
  • Parameter Provider for 1Password Vault
  • YamlTreeReader for YAML as Records
  • PackageFlowFile Processor for writing file streams and attributes as FlowFile Version 3
  • Migrated from H2 Database Engine to JetBrains Xodus for storing Flow Configuration History
  • Moved several modules to optional build profiles, requiring separate NAR download from the Central Repository
    • nifi-hadoop-nar
    • nifi-hadoop-libraries-nar
    • nifi-hbase-nar
    • nifi-hbase2_client-service-nar
    • nifi-kudu-nar
    • nifi-parquet-nar
    • nifi-solr-nar

Version 1.27.0

Version 1.27.0 is feature improvement and bug fix release, including over 100 issues resolved.

Release Date: July 8, 2024

Jira Release Notes for 1.27.0

New features

  • Add completion strategy to FetchSmb
  • Add SplitExcel Processor

Notable Changes

  • Streamline using single parameter context for nested PGs
  • Add Endpoint Override Property to PutSNS
  • CLI command to upgrade all instances of a versioned flow
  • Deprecate InvokeAWSGatewayApi Processor
  • Deprecate Accumulo Components for Removal
  • Deprecate Apache Knox SSO Integration for Removal
  • Deprecate Kerberos SPNEGO Authentication for Removal
  • Deprecate Property Protection and Encrypt Config Tools

Version 1.26.0

Version 1.26.0 is feature improvement and bug fix release, including over 100 issues resolved.

Release Date: May 6, 2024

Jira Release Notes for 1.26.0

New Components

  • Controller Services
    • Record Reader for Protobuf data

Notable Changes

  • Support for password-protected sheets in ExcelReader
  • Add No Tracking Strategy to ListS3
  • Support dynamic host/port in Set/Get SNMP processors
  • Add DFS setting to smb processors
  • Many improvements around Kerberos authentication handling in processors
  • Deprecate Spark Livy components for removal
  • Deprecate Solr components for removal
  • Deprecate Apache Ranger integration for removal
  • Deprecate Hive 3 components for removal
  • Deprecate ConvertAvroToJSON processor for removal
  • Many dependency upgrades

Version 1.25.0

Version 1.25.0 is feature improvement and bug fix release, including over 100 issues resolved.

Release Date: January 29, 2024

Jira Release Notes for 1.25.0

New Components

  • Controller Services
    • DatabaseTableSchemaRegistryService
    • StandardJsonSchemaRegistry
    • ZendeskRecordSink
  • Processors
    • CalculateParquetOffsets
    • CalculateParquetRowGroupOffsets
    • FilterAttribute
    • PublishSlack
    • PutZendeskTicket

Notable Changes

  • Added Component State strategy for ConsumeAzureEventHub Checkpointing
  • Corrected automated migration of Flow Configuration History from NiFi 1.23.2 and earlier versions
  • Deprecated Bootstrap Notification Services for removal in NiFi 2.0.0-M2
  • Deprecated MiNiFi C2 Server for removal in NiFi 2.0.0-M2
  • Upgraded Logback to 1.3.14
  • Upgraded SSHJ to 0.38.0
  • Upgraded JLine to 3.25.0
  • Upgraded JSON Path to 2.9.0

Version 1.24.0

Version 1.24.0 of Apache NiFi is a feature improvement and bug fix release, including over 270 issues resolved.

Release Date: November 27, 2023

Jira Release Notes for 1.24.0

New Features and Changes for 1.24.0

  • ListenOTLP Processor for collecting OpenTelemetry
  • EncryptContentAge and DecryptContentAge Processors supporting age-encryption.org specification
  • YamlTreeReader for YAML as Records
  • PackageFlowFile Processor for writing file streams and attributes as FlowFile Version 3
  • Migrated from H2 Database Engine to JetBrains Xodus for storing Flow Configuration History
  • Deprecated Jython Script Engine for Scripted Processors

Version 1.23.2

Version 1.23.2 of Apache NiFi is a bug fix release. NiFi 1.23.0 and 1.23.1 should not be used.

Release Date: August 22, 2023

Highlights of the 1.23.2 release include:

Version 1.23.1

Version 1.23.1 of Apache NiFi is a bug fix and dependency upgrade release.

Release Date: August 18, 2023

Highlights of the 1.23.1 release include:

  • Corrected ListHDFS closing of File System resources
  • Corrected ListenGRPC with TLS on Java 17
  • Corrected NiFi Registry Git Provider integration with SSH
  • Added Proxy Configuration support for Azure Storage Credentials
  • Incremental dependency upgrades including Logback 1.3.8, Bouncy Castle 1.76, and Netty 4.1.96

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12353541

Version 1.23.0

Version 1.23.0 of Apache NiFi is an improvement, bug fix and security focused release.

Release Date: July 28, 2023

Highlights of the 1.23.0 release include:

  • Added Record Reader for Excel XLSX Files and RemoveRecordField Processor
  • Added Service for Amazon Glue Schema Registry
  • Upgraded Spring Framework, Spring Security, Bouncy Castle, and many other libraries for framework and extension components
  • Moved Riemann and HBase 1.1.2 NAR bundles to optional build profiles
  • Deprecated RethinkDB components

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12353320

NiFi NAR Maven Plugin Version 1.5.1

Version 1.5.1 of Apache NiFi NAR Maven Plugin is a bug fix and dependency upgrade release.

Release Date: June 14, 2023

Highlights of the NAR Maven Plugin 1.5.1 release include:

  • NAR Plugin extension docs not correctly resolving overridden versions from system properties.
  • NAR Plugin not correctly using remote repositories.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12353009

Version 1.22.0

Version 1.22.0 of Apache NiFi is an improvement, bug fix and security focused release.

Release Date: June 11, 2023

Highlights of the 1.22.0 release include:

  • MiNiFi agents can now talk to C2 servers using reverse proxy/load balancers.
  • New processor to support modifying the compression algorithm of content which still incurs the CPU hit substantially improves IO by avoiding writing and reading the intermediary decompressed form.
  • New processor for Azure Queue Storage using Azure SDK 12.
  • Put Database Record now allows for Upserts.
  • Deprecated additional components and features in preparation toward an Apache NiFi 2.0.
  • Upgraded numerous dependencies due to potential vulnerabilities and latest stable lines.
  • Numerous bug fixes to processors but also core NiFi framework behavior
  • A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12353069

Version 1.21.0

Version 1.21.0 of Apache NiFi is an improvement, bug fix and security focused release.

Release Date: April 7, 2023

Highlights of the 1.21.0 release include:

NiFi NAR Maven Plugin Version 1.5.0

Version 1.5.0 of Apache NiFi NAR Maven Plugin is a bug fix and dependency upgrade release.

Release Date: March 15, 2023

Highlights of the NAR Maven Plugin 1.5.0 release include:

  • Fixes Maven build issues with NAR artifacts in NiFi extension projects that are not part of the apache/nifi repository and have NAR dependencies.
  • Upgrade core Maven dependencies. This includes migrating from maven-dependency 2.x to 3.x and corresponding code changes due to breaking changes.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12352895

Version 1.20.0

Version 1.20.0 of Apache NiFi is a feature, improvement, bug fix and security focused release.

Release Date: Feb 9, 2023

Highlights of the 1.20.0 release include:

  • New processor 'GenerateRecord' to create record data with random type/schema appropriate data great for testing!
  • New processor to capture data from Asana.
  • New processor for interacting with Amazon Web Services Polly, Textract, Translate, and Transcribe services.
  • New processor to send data to Salesforce
  • New processor to send data to Apache IoTDB
  • New processor to push data to Google Drive
  • New processor to push data to Box
  • New DecryptContent and DecryptContentCompatibility Processors to support migration away from the EncryptContent Processor
  • Several other new processors, components and dozens of improvements.
  • Fixed dozens of bugs including improving the behavior between versioned NiFi flows and the NiFi Registry across upgrades and other scenarios
  • Resolved CVE-2023-22832 - Improper Restriction of XML External Entity References in ExtractCCDAAttributes
  • Deprecated additional components and features for removal in 2.0.0
    • ConsumeEWS Processor
    • Base64EncodeContent Processor
    • HortonworksSchemaRegistry Controller Service
    • ProcessContext encrypt and decrypt methods
  • A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12352581

NiFi NAR Maven Plugin Version 1.4.0

Version 1.4.0 of Apache NiFi NAR Maven Plugin is a feature, stability, and bug fix release.

Release Date: February 2, 2023

Highlights of the NAR Maven Plugin 1.4.0 release include:

  • Add a new plugin goal that checks dependency duplications in NARSs
  • Improvements to NAR packaging to make the output reproducible
  • Exclude system jars such as jdk.tools when generating extension manifest
  • Exclude extension dependencies from parent NAR when generating extension manifest

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12352124

Version 1.19.1

Version 1.19.1 of Apache NiFi is a bug fix and simple improvement release.

Release Date: December 7, 2022

Highlights of the 1.19.1 release include:

  • Fixed regressions with NiFi talking to the Flow Registry faced in recent 1.17/1.18/1.19.0 releases.
  • Fixed a regression introduced in 1.19.0 for Kafka SCRAM SASL handling.
  • Added support for the SQLServer sql_variant type and other CDC related improvement/bugs.
  • Numerous other simple bug fixes/dependency updates.
  • A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12352626

Version 1.19.0

Version 1.19.0 of Apache NiFi is a feature, improvement, bug fix and security focused release.

Release Date: November 28 2022

Highlights of the 1.19.0 release include:

  • Java 8 will continue to work for all NiFi 1.x releases.  However, we strongly encourage everyone to upgrade to Java 11.0.16 or newer as this is the recommended minimum version.  And once we have the NiFi 2.x line support for Java 8 will no longer exist at all so this will help you with the transition.
  • Provided a new processor to Put data to Apache Iceberg called PutIceberg.
  • Provided a new processor to Put data to Snowflake using Snowpipe Ingest called PutSnowflake.
  • Provided a new processor called UpdateDatabaseTable which will be very helpful for cases where the schema of data evolves and the backing tables being written to need DDL changes to accommodate it so data can keep flowing.
  • The Consume Kafka Record processor now allows writing out the Kafka key of each message which can be quite helpful for certain Apache Kafka based flows.
  • Docker images now support arm64 platforms in addition to amd64 (aka aarch64/x86_64). This includes Apple Silicon Macs with M1/M2 processors.
  • Docker images now use Java 11.
  • Upgraded numerous dependencies for security vulnerability concerns such as with Apache Commons Text, performance, functionality, or API stability as is the case with Apache Iceberg 1.0.
  • Numerous bug fixes related to MergeContent, Stateless NiFi, ListenSyslog, and many other components.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12352345

Version 1.18.0

Version 1.18.0 of Apache NiFi is a substantial feature, improvement, bug fix and security focused release.

Release Date: Oct 6 2022

Highlights of the 1.18.0 release include:

  • Have various values including sensitive ones like passwords and other things for your flow definitions but dont want them stored in NiFi?  Parameter Providers to the rescue!  NiFi now allows you to register parameter providers such as HashiCorp Vault,  an external database, AWS or GCP Secrets Management. We'll add others like Azure soon.
  • NiFi now supports pluggable Registry Clients. This will allow for follow-on implementations such as using a plain git repository as a 'registry' for versioned flows.
  • CompressContent now supports ZStd and Brotli.
  • New processors to List and Fetch data using SMB.
  • New processor to QueryAirtable
  • New component to use Azure's Event Hub as a record sink called AzureEventHubRecordSink
  • New processors to List and Fetch data from Dropbox.
  • New processors to List and Fetch data from Box.
  • New processor to get data from HubSpot called GetHubSpot
  • New processors to capture data from Workday called GetWorkdayReport.
  • New processor to pull data from Zendesk.
  • Default run duration on processors is now configurable.
  • We can now publish to MQTT using the record mechanism which is far more efficient and flexible.
  • Updated a ton of dependencies for security and behavior improvements.  Fixed a ton of bugs.  Improved clustering performance.
  • Numerous components are now flagged as deprecated and NiFi will write warning messages to nifi-deprecation.log with potential alternatives

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12352150

Version 1.17.0

Version 1.17.0 of Apache NiFi is a substantial feature, improvement, bug fix and security focused release.

Release Date: RC1 vote underway as of late July August 1, 2022

Highlights of the 1.17.0 release include:

  • NiFi can now be built on ARM based platforms including latest MacOS systems.
  • New processor to support query of data from Salesforce.
  • New ConsumeTwitter processor to replace the deprecated GetTwitter processor.
  • Dynamic properties can now be marked by the user as sensitive and the framework will handle them properly.  Many components updated to take advantage of this support.
  • The built in content viewer now supports image/webp.
  • Added the ability to track detailed metrics such as CPU at processor level.
  • New processors to List and Fetch Google Drive files.
  • Listening NiFi application, as well as ListenHTTP and HandleHttpRequest processors now support HTTP/2.
  • Hundreds of other bug fixes, improvements and dependency updates for better stability and to eliminate libraries with reported vulnerabilities.

...