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Table of Contents

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0.0-M2

Version 12.50.0-M2 is the second milestone version of Apache NiFi is a feature and stability release focusing integration with the new Apache NiFi Registry2.0.0.

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

Release Date: Under Release Candidate Voting Procedures at this time

Highlights of the 1.5.0 release include:

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 1.25.0

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:

Corrected Repository corruption related to handling empty FlowFiles

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:

Refactored OpenID Connect integration with support for Refresh Tokens
Deprecated additional components and features in preparation toward an Apache NiFi 2.0 such as those involving Apache Ambari or older versions of Apache Kafka clients.
Upgraded numerous dependencies due to potential vulnerabilities and latest stable lines.
QuerySalesforceObject now accepts custom queries.
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=12352899

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: 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.
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.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12351438

NiFi NAR Maven Plugin Version 1.3.5

Version 1.3.5 of Apache NiFi NAR Maven Plugin is a bug fix and improvement release.

Release Date: July 21, 2022

Highlights of the 1.3.5 release include:

Fixed generation of extension manifest XML during building of NARs to correctly process API interfaces that extend other interfaces

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12351862

NiFi NAR Maven Plugin Version 1.3.4

Version 1.3.4 of Apache NiFi NAR Maven Plugin is a bug fix and improvement release.

Release Date: June 20 2022

Highlights of the 1.3.4 release include:

Fixed generation of extension manifest XML during building of NARs to recursively include all provided interfaces for Controller Service extensions
Improvements to NAR packaging to make the output reproducible

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12350909

Version 1.16.3

Version 1.16.3 of Apache NiFi is a bug fix and security focused release.

Release Date: June 15 2022

Highlights of the 1.16.3 release include:

Security related updates for dependencies.
Corrected a couple framework level issues with controller service and reporting task lifecycle management.
Resolved a regression related to parameter context inheritance.
Resolved CVE-2022-33140 - Improper Neutralization of Command Elements in Shell User Group Provider

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12351844

Version 1.16.2

Version 1.16.2 of Apache NiFi is a bug fix, enhancement, and security focused release.

Release Date: May 25 2022

Highlights of the 1.16.2 release include:

Fixed an issue with the repository that would cause flows to pause due to back-pressure / archive settings when it should not have.
Google Pub/Sub processors now able to work with proxies.
Standard Oauth2 Token Provider now supports scope and additional status codes.
Fixed a property decryption issue for sensitive properties.
ASN1 record reading now reads all records instead of stopping after the first one.
16 JIRAs to fix bugs, enhance existing capability, and improve security.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12351721

Version 1.16.1

Version 1.16.1 of Apache NiFi is a bug fix, enhancement, and security focused release.

Release Date: April 29 2022

Highlights of the 1.16.1 release include:

Fixed regressions in NiFi/Registry interaction from 1.16.
Fixed regression for NiFi Registry interaction with databases from 1.16.
Upgraded a large array of dependent libraries due to reported CVEs and/or bug fixes.
Updates for AWS and Azure components too support more regions and fix defects.
Substantial improvements to behaviors for XML related processing.
80+ JIRAs to fix bugs, enhance existing capability, and improve security.
Resolved CVE-2022-29265 - Improper Restriction of XML External Entities in Multiple Components

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12351504

Version 1.16.0

Version 1.16.0 of Apache NiFi is a substantial feature, improvement, bug fix and security focused release.

Release Date: March 27 2022

Highlights of the 1.16.0 release include:

Framework Level Retry now supported. For many years users build flows in various ways to make retries happen for a configured number of attempts. Now this is easily and cleanly configured in the UI/API and simplifies the user experience and flow design considerably! To those waiting for years for this thank you for your patience.
Disconnected nodes can now rejoin the cluster, updating their flow to match whatever the cluster gives it (after writing a backup of the disconnected node's flow locally, of course!) - even when the flow is significantly different
The cluster now allows changes to the dataflow even while there are disconnected nodes
New components to read CEF messages, easily perform geohashing on records, and to listen for SNMP traps.
New components to make data enrichment far easier - especially when enrichment comes from web services.
UI now shows when component properties have leading or trailing whitespace - very helpful when copying a value from elsewhere and pasting it into NiFi
UI now shows when all data in a queue is penalized, and the processor will no longer run millions of times per minute in order to accomplish nothing
MiNiFi Java can now hot-load nars just like NiFi.
Tons of bug fixes and improvements for processors that interact with cloud services on AWS, Azure, and GCP as well as SFTP, FTP, Kafka and more.
Stateless NiFi getting better and better with improved classloader isolation and ability to run off local nars only.
Security: Aggressively update libraries such as Jetty, Netty, Logging related libs (log4j, slf4j, etc..), and moved to latest H2 Database to eliminate any worries about a vulnerability in the older line. Included a super slick mechanism to upgrade from the old database to the new one without the user having to worry about it.
Resolved CVE-2022-26850 - Insufficiently Protected Credentials in Single User Login Identity Provider

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12350741

NiFi Flow Design System 0.3.0

Version 0.3.0 of Apache NiFi Flow Design System is an atomic reusable platform providing a consistent set of UI/UX components for open source friendly web applications to consume.

Release Date: January 28, 2022

Highlights of the 0.3.0 release include:

Refined Implementation of some UX components in the Flow Design Specification
Upgraded build process to leverage modern best practices
- node/npm
- webpack - to support faster dev cycles
- babel - to support TS and/or ES6 javascript modules
Upgraded client side dependencies:
- jQuery (3.6.1)
- Angular (11+)
- Angular Material (11+)
- Teradata Covalent (3.1)
- others...

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?version=12343453&projectId=12316020

Note: The Apache NiFi Registry and Apache MiNiFi Java Agent codebases have been merged with the Apache NiFi codebase as of NiFi 1.14.0. Here are links for their release notes prior to this change:

Version 1.15.3

Version 1.15.3 of Apache NiFi is a purely bug fix and security focused release.

Release Date: January 18 2022

Highlights of the 1.15.3 release include:

Lateset log4j 2.x and logback libs. Ensured all optional nars also have no references to older log4j.
SFTP works again with authenticated SOCKS and HTTP proxies.
ExecuteSQLRecord more efficient with large results.
RPM build works again.
ConsumeGCPPubSub working again.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12351203

Version 1.15.2

Version 1.15.2 of Apache NiFi is a purely bug fix and security focused release.

Release Date: December 23 2021

Highlights of the 1.15.2 release include:

This release ensures that no version of log4j 2.x core is used by any components, blocks them from entering the build, and uses latest log4j 2.x api and other jars as well as latest logback jars.
A few other bugs fixes related to SFTP, bulletin merging, and updated libs.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12351132

Version 1.15.1

Version 1.15.1 of Apache NiFi is a bug, simple improvement, security focused release.

Release Date: December 15 2021

Highlights of the 1.15.1 release include:

This release ensures Apache NiFi and its related components include no 'log4shell' related libraries and it ensures we block legacy log4j lines 1.x and updates logback to latest.
44 other bugs and improvements...

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12351055

NiFi NAR Maven Plugin Version 1.3.3

Version 1.3.3 of Apache NiFi NAR Maven Plugin is a minor improvement release.

Release Date: December 3 2021

Highlights of the 1.3.3 release include:

Improvement to generation of extension manifest XML during building of NARs

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12348815

Version 1.15.0

Version 1.15.0 of Apache NiFi is a significant feature, improvement, and bug fix release.

Release Date: November 7 2021

Highlights of the 1.15.0 release include:

Parameter Contexts now support inheritance. This makes it far easier to manage common sets of properties used across many flows and tweak only specific parameters as needed for a given instance. This pattern is super common and valuable for NiFi users that run many instances of the same flow or versions of a flow.
NiFi's API now allows components to offer a validation mechanism focused on talking to external services and surfacing that back through the REST API and NiFi UI. Why is that awesome? Well NiFi was always great with validation but sometimes when talking to an external service like Kafka you couldn't tell if things were going to work until you ran it. Now for components that leverage this feature, like the Kafka processors, we can validate that the topic at play exists and is accessible. There are a lot of powerful uses of this which will make building and understanding flows easier.
Stateless NiFi is extremely powerful and more engines to execute it in are emerging. In the meantime though a powerful option is to run Stateless NiFi flows inside of a traditional NiFi deployment. You can use such a thing then to support Kafka flows with exactly once semantics while enjoying the powerful benefits of NiFi at the same time.
The shockingly popular scripted record processors support highly customizable routing and partitioning.
200+ other bugs and improvements and features...

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12350382

Version 1.14.0

Version 1.14.0 of Apache NiFi is a significant feature, improvement, and bug fix release.

Release Date: July 14 2021

Highlights of the 1.14.0 release include:

NiFi now starts up in a mode enabling security features by default. This means NiFi starts up with HTTPS only now instead of HTTP and it requires a specific auto generated username and password to login or the user can explicitly set the username and password which will be used via the provided toolkit. Gone are the days of firing a default NiFi and it is accessible via HTTP without authentication. That convenience was wonderful but we found far too many users did this and left wide open NiFi nodes and even clusters accessible on the Internet. Our secure configuration by default model generates a self-signed server certificate which obviously means that itself isn't very trustworthy for any given client so your browser will likely flag this but we're taking reasonable steps in the right direction. All the normal recommended security steps are still recommended to ensure a fully secure setup but the default mode is now far better than ever before.
We have merged the codebases of the Apache NiFI, Apache NiFI MiNiFI Java, and Apache NiFi Registry codebases. This means every time we release Apache NiFi we are releasing NiFi, MiNiFi Java, and the Registry all at once and with fully aligned codebases. This means more releases of these components and better compatibility guarantees and easier maintenance and usage and security.
NiFi's Jetty server can be configured to auto detect keystore changes and reload.
Now support Azure Active Directory user group provider.
Now support AWS Kinesis Stream fetching.
Now provide an ASN.1 record reader.
Can now right click on a processor and tell it to 'Run Once' - hugely beneficial for common user experience patterns.
New EncryptContentPGP and DecryptContentPGP processors intended to replace PGP handling in EncryptContent
Can now use Hashicorp Vault encryption for NiFi properties.
Now support the usage of an HDFS/S3/etc.. blob storage to hot load NARs.
100s of other bugs and improvements and features...

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12349644

Version 1.13.2

Version 1.13.2 of Apache NiFi is an important bug fix release.

Release Date: March 19, 2021

Highlights of the 1.13.2 release include:

Fixed a serious regression in session handling. This release is important to move to on the 1.13 line.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12350008

Version 1.13.1

Version 1.13.1 of Apache NiFi is an improvement and bug fix release.

Release Date: March 15, 2021

Lowlight of the 1.13.1 release includes:

We broke session handling. Avoid using 1.13.1 - we'll have 1.13.2 out shortly.

Highlights of the 1.13.1 release include:

Fixed PutDatabaseRecord regressions
MySQL CDC now supports TLS
Dramatic performance increases for certain small flowfile and merge scenarios (which are very common)
Support for UTF-8 characters with FTP processors

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12349733

Version 1.13.0

Version 1.13.0 of Apache NiFi is a significant feature, improvement, and bug fix release.

Release Date: February 15, 2021

Highlights of the 1.13.0 release include:

Status history is now held for system level metrics (GC, repo sizes, load average)
Now support a ListenFTP processor to allow NiFi itself to act as an FTP server
Now able to automatically alter Hive table structures based on evolution in the schema of incoming data
Component level properties (like those of Processors) now have a dependency structure so that users are guided to set additional related properties as appropriate
Zookeeper interactions can now be protected with TLS
Numerous improvements for interactions with Microsoft Azure protocols and systems
Improvements to Google Cloud and Amazon Web Services integrations
Improvements to AMQP and MQTT integrations
Several improvements enabling better Change Data Capture and stable high speed ingest to Apache Kudu

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12348700

Version 1.12.1

Version 1.12.1 of Apache NiFi is a pure bug fix and minor improvement release

Release Date: September 28, 2020

Highlights of the 1.12.1 release include:

Restored support for keystores containing multiple certs.
Toolkit generates SAN entries in certs again.
UnpackContent if unable to determine file permissions just behaves as it used to
Registry URL saves properly whether a port is present or not.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12348757

NiFi NAR Maven Plugin Version 1.3.2

Version 1.3.2 of Apache NiFi NAR Maven Plugin is a bug fix release.

Release Date: September 21, 2020

Highlights of the 1.3.2 release include:

Fix bug where the version of provided dependencies like nifi-api is incorrectly determined

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12345514

Version 1.12.0

Version 1.12.0 of Apache NiFi is a feature, stability, and security related release

Release Date: August 18, 2020

Highlights of the 1.12.0 release include:

By very popular demand you can now empty all queues in a given process group with a single request!
New processor to write scripted record transforms live in the flow
Expose a REST Endpoint for easy metric scraping by Prometheus
Ability to specify group level flow file concurrency - for instance run a single flow file end to end before running another for traditional job handling
Improved several capabilities related to Azure service interaction
Improved AMQP and MQTT support as well as JMS improvements
Support for latest Kafka 2.6 clients

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12346778

Version 1.11.4

Version 1.11.4 of Apache NiFi is a stability release.

Release Date: March 22, 2020

Highlights of the 1.11.4 release include:

Fixed an issue preventing parameter updates from properly resulting in Controller Service restart
Fixed SFTP processor related handling of connections and file deletion
Fixed a resource leak when using Site to Site
Several fixes and enhancements for record oriented processing

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12347770

Version 1.11.3

Version 1.11.3 of Apache NiFi is a stability release.

Release Date: Feb 26, 2020

Highlights of the 1.11.3 release include:

Fixed an issue present since NiFi 1.10 that was causing resource leaks when using S2S Reporting and DistributedMapCache
Several bug fixes and improvements for interactions between Apache NiFi and Apache Kudu
Updated Google Cloud Platform dependency making cases like PubSub with proxies work

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12347022

Version 1.11.2

Version 1.11.2 of Apache NiFi is a stability release.

Release Date: Feb 19, 2020

Highlights of the 1.11.2 release include:

Fixed a regression causing load balancing not to work for correlation or single node modes
Prevent multiple submissions on connection dialog
Fixed issues related to record handling of nested arrays with QueryRecord

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12346972

Version 1.11.1

Version 1.11.1 of Apache NiFi is a stability and security release.

Release Date: February 3, 2020

Highlights of the 1.11.1 release include:

Fixed a regression causing backpressure not to work properly in clustered configurations
Fixed an issue causing queue priorities not to be enforced after restart
Improved error handling of PutHDFS in the event of an error on cleanup to ensure retry

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12346906

Version 1.11.0

Version 1.11.0 of Apache NiFi is a feature, stability, and security release.

Release Date: January 22nd, 2020

Highlights of the 1.11.0 release include:

Improved handling and support for partitions when sending data to Azure Event Hubs.
All repositories (Content, FlowFile, Provenance) can now be encrypted on disk controlled at an application level.
Class loader isolation now includes isolating native libraries within the Nars! Huge help for interacting with many Hadoop vendors or other systems from the same NiFi cluster.
Keytab Credential Service now supported to ensure easily configured secure communications with the Hortonworks Schema Registry.
IBM MQ now easier to integrate with for existing NiFi JMS processors.
Large array of important bug fixes that improve performance, stability, user experience.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12346451

Version 1.10.0

Version 1.10.0 of Apache NiFi is a feature and stability release.

Release Date: November 4th, 2019

Highlights of the 1.10.0 release include:

Apache NiFi can now be built on either Java 8 or Java 11! When built on Java 8 it can run on Java 8 or Java 11.
A new experimental encrypted content repository implementation is available.
A new capability to define parameters, including sensitive values, is available at a process group level and can be used to replace the value at runtime for any component property (not just those that are EL enabled). This is huge for automated deployment processes, moving from environment to environment, and having a single flow parameterized many different ways and used over and over.
A new Prometheus reporting task is available.
Powerful new feature to help operations teams: Back-pressure prediction!
Flows built in NiFi can now be published to the NiFi Registry and trivially run using the new Stateless NiFi execution engine and command line! This leads to some very powerful configurations and models for linear flows with transactional sources that can be replayed (Kafka, etc..).
Hundreds of other features, improvements, and bug fixes!
Please note several components that were bundled by default are no longer included due to space limitations. Please see Migration Guidance specifically for moving to 1.10.x.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12344993

NiFi Flow Design System 0.2.0

Version 0.2.0 of Apache NiFi Flow Design System is an atomic reusable platform providing a consistent set of UI/UX components for open source friendly web applications to consume.

Release Date: July 26th, 2019

Highlights of the 0.2.0 release include:

Refined Implementation of some UX components in the Flow Design Specification
- Typography - updated class name and better documentation
- Tables - updated to leverage the theme
- Checkboxes/Radios - updated to leverage the theme
- Accordions - updated to leverage the theme
Upgraded build process to leverage modern best practices
- webpack - to support faster dev cycles
- babel - to support TS and/or ES6 javascript modules
Upgraded client side dependencies:
- jQuery
- Angular
- Angular Material
- Teradata Covalent
- rxjs

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?version=12343453&styleName=Html&projectId=12316020&Create=Create&atl_token=A5KQ-2QAV-T4JA-FDED_17e726af87cf931b3b2bfe6d09311c99a00dd659_lout

NiFi NAR Maven Plugin Version 1.3.1

Version 1.3.1 of Apache NiFi NAR Maven Plugin is a bug fix release.

Release Date: May 13th, 2019

Highlights of the 1.3.1 release include:

Upgrade version of maven-dependency-tree to correctly resolve dependencies when generating extension manifest

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?version=12345484&styleName=&projectId=12316020

NiFi NAR Maven Plugin Version 1.3.0

Version 1.3.0 of Apache NiFi NAR Maven Plugin is a feature and stability release.

Release Date: May 3, 2019

Highlights of the 1.3.0 release include:

New feature to generate an extension manifest containing information about extensions included in the NAR
Fixed a bug related to timestamped dependency version
Fixed a bug related to the help mojo

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12340213

Version 1.9.2

Version 1.9.2 of Apache NiFi is a bug and stability release.

Release Date: April 8, 2019

Highlights of the 1.9.2 release include:

Resolves a content repository bug which could lead to resource exhaustion on the underlying file system and stopped flows.
If an out of memory error occurs while framework code executes it will not lose threads or be silent about it.
Writing to AWS with PutS3Object handles international characters better.
Listing policies when users and groups have been deleted is handled correctly.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12345213

Version 1.9.1

UPDATE: As of Mar 27th 2019: NIFI-6150 has been identified which means 1.9.1 can result in content repo being exhausted and not cleaned up properly. We will produce a 1.9.2 as soon as the fix is confirmed. Recommend not updating until then.

Version 1.9.1 of Apache NiFi is a bug and stability release.

Release Date: March 16, 2019

Highlights of the 1.9.1 release include:

Resolves a possible data-loss scenario where updates to the internal repositories could fail but the data becomes eligible to be removed.
ListSFTP now supports filtering based on min and max age.
Funnels and ports have more efficient transfer logic resulting in faster flows and less CPU usage.
Improved data type inference for JSON record readers.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12345163

Version 1.9.0

Version 1.9.0 of Apache NiFi is a feature and stability release.

Release Date: February 19, 2019

Highlights of the 1.9.0 release include:

New processors and controller services can be loaded live while the nodes are running!
Database connection pooling now supports Kerberos secured Databases
Penalty duration remaining now visible in the UI
Several standard security headers now supported (HSTS, X-XSS-Protection, Content-Security-Policy)
Record Readers and Writers now easier to use with automatic schema inference
New or Improved Processors and Controller Services
- Kudu Processors updated, validated, and now support Kerberos
- Various updates to Amazon Web Services, Big Query, and Google Cloud Storage Processors
- MongoDB GridFS processors now included
- HiveQL for Hive 1.1 now supported

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12344357

Version 1.8.0

Version 1.8.0 of Apache NiFi is a feature and stability release.

Release Date: October 26, 2018

Highlights of the 1.8.0 release include:

Secure cluster communication between nodes now requires two-way SSL
Connections support load balancing across the cluster
Nodes can be offloaded to prepare for decommissioning
Easier to create a cluster on Docker with docker-compose and environment variables
New or Improved Processors and Controller Services
- LookupService that uses ElasticSearch
- NetFlow Processors
- JoltTransformRecord processor
- Processors for interacting with Apache Kafka 2.0
- SQL results can now be output as records in any supported format
- ListenHTTP Processor supports multipart requests
UI
- Configure load balancing and load balancing compression from the Connection properties dialog
- Connections indicate load balancing status
- Cluster Summary dialog allows offloading disconnected nodes
Documentation
- New documentation for load balancing and node offloading
- NiFi Port list

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12343482

Version 1.7.1

Version 1.7.1 of Apache NiFi addresses a few key bug fixes.

Release Date: July 16, 2018

Highlights of the 1.7.1 release include:

Fixed an issue with wildcard certificates used to secure a cluster. Wildcard certificates are officially not supported but this regression behavior was fixed.
Fixed an issue where an infinite loop could be caused by a stack overflow due to circular references.
Fixed an issue with transitive controller service validation in unit testing.
Fixed some issues related to processor termination and active thread representation.
Fixed an issue with X-Frame-Options headers.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12343647

Version 1.7.0

Version 1.7.0 of Apache NiFi is a feature and stability release.

Release Date: June 25, 2018

Highlights of the 1.7.0 release include:

New or Improved Processors, Controller Services, and Reporting Tasks
- New XML record reader & writer.
- New ForkRecord processor.
- New SiteToSiteMetricsReportingTask.
- Support for Hive 3.0.
UI/UX
- UI option to interrupt a running processor.
- Improvements to cluster coordination.
NiFi built against Java 1.8 can now run on Java 9.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?version=12342979&projectId=12316020

NiFi Flow Design System 0.1.0

Version 0.1.0 of Apache NiFi Flow Design System is the initial release focusing on an atomic reusable platform for providing a common set of UI/UX components for Apache NiFi, Apache NiFi Registry, Apache NiFi MiNiFi, and any other open source web applications to consume.

Release Date: June 14th, 2018

Highlights of the 0.1.0 release include:

Initial Implementation of the Flow Design Spec
- Typography
- Buttons
- Inputs
- Tabs
- Tables
- Checkboxes/Radios
- Panels
- Dropdowns
- Modals
- Notifications/Coasters
- Accordians
- Tooltips
Themeable
Unit tested components - 85% code coverage
Sample application for demonstration, verification, and documentation of nifi-fds.

Version 1.6.0

Version 1.6.0 of Apache NiFi is a feature and stability release.

Release Date: April 8, 2018

Highlights of the 1.6.0 release include:

New or Improved Processors, Controller Services, and Reporting Tasks
- New REST endpoint exposed to gather processor diagnostics.
- New processor to delete rows from Apache HBase.
- New processor to put data to InfluxDB.
- New processor and controller service to send data to Druid.
- New processor to perform Mongo DB Aggregations.
- New Processor to scan Apache HBase to retrieve records from tables.
UI/UX
- UI/Docs can now signal for key resource usage considerations based on annotated components flagging for things like high memory usage.
- Users can now set fine grained policies for restricted components indicating the type of restriction such as
  - Reads Filesystem
  - Writes Filesystem
  - Executes Code
  - Keytab Access
- Thanks to the new fine grained restricted component policies NiFi can now use its policy management mechanisms to protect specific keytab accesses in the flow making multi-tenant use cases easier and more secure.
New or Improved Processors, Controller Services, and Reporting Tasks
- Added Processors for interacting with Kafka 1.0
- NiFi lineage can now be exported to Apache Atlas
- HDFS, HBase, Hive processors updated to better handle Kerberos ticket renewal
- Groovy Scripting can now leverage Grape/Grab through Ivy
- Many processors and their properties now support expression language
UI/UX
- Users can now import, publish, change versions of flows via the NiFi and NiFi Registry Integration. This new feature takes care of starting and stopping affected processes, highlighting differences between local and published flows, and indicating when newer versions of a given flow are available.

A full list of issues that were resolved can be found at: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12316020&version=12341668

...

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Version 1.5.0

Version 01.15.0 of Apache NiFi Registry is the initial release focusing on storage/management of versioned flowsis a feature and stability release focusing integration with the new Apache NiFi Registry.

Release Date: January 1st12, 2018

Highlights of the 0.of the 1.5.0 release include:

New or Improved Processors, Controller Services, and Reporting Tasks
- Added Processors for interacting with Kafka 1.0

...

- NiFi lineage can now be exported to Apache Atlas
- HDFS, HBase, Hive processors updated to better handle Kerberos ticket renewal
- Groovy Scripting can now leverage Grape/Grab through Ivy
- Many processors and their properties now support expression language
UI/UX
- Users can now import, publish, change versions of flows via the NiFi and NiFi Registry Integration. This new feature takes care of starting and stopping affected processes, highlighting differences between local and published flows, and indicating when newer versions of a given flow are available.