With the recent #ApacheKafka 4.2 release, the new "streams" rebalance protocol is production ready. It's exciting that it's also GA on Confluent Cloud now.

The cherry-on-top is, that our #KafkaStreams Cloud UI now also shows task assignment information for "streams" groups. \1

Apache Kafka 4.2.0 Release Announcement We are proud to announce the release of Apache Kafka® 4.2. This release contains many new features and improvements. This blog post will highlight some of the more prominent ones. For a full list of c...

We are happy to announce Apache Kafka 4.2.0!

Highlights are: Queues for Kafka and the new #KafkaStreams "streams" groups.

Thanks to all the 155 contributors and our RM Christo Lolov.

More details on the web page:
kafka.apache.org/blog/2026/01...

We have two new open positions on our team (#ApacheKafka Java Clients and #KafkaStreams) in Canada 🇨🇦

Entry level: jobs.ashbyhq.com/confluent/67...

Senior: jobs.ashbyhq.com/confluent/26...

Released my Kafka Streams roundup, then this gem of a podcast episode dropped one hour later. A must-watch story about hacking #KafkaStreams to defy partition limits and its parallelism constraints. www.youtube.com/watch?v=QEZI...
#ApacheKafka

Kafka Streams Roundup - January 2026 | Kafka Streams Field Guide Book Latest news and content from the Kafka Streams community for January 2026

Want to know what happened in the #KafkaStreams community recently? I've just published my Kafka Streams roundup! 🗞️
Two new KIPs were started this new year, and some excellent articles were published in December.
kafkastreamsfieldguide.com/articles/kaf...
#ApacheKafka

🎄 🎁 Holiday sale - 10% off the Kafka Streams Field Guide

Give yourself the gift of knowledge—less time troubleshooting, more time building with confidence in 2026.

kafkastreamsfieldguide.com

#ApacheKafka #KafkaStreams

Kafka Streams Field Guide | Kafka Streams Field Guide Book Field guide with 8 essential insights for running Kafka Streams in production

Price goes up tomorrow - Launch week ending.

Today is the last day to get the Kafka Streams Field Guide at a 15% launch discount. If you’ve been meaning to grab it, now’s the time.

kafkastreamsfieldguide.com

#ApacheKafka #KafkaStreams

Get my Kafka Streams Performance Pack (Free PDF). Two critical chapters from my new Kafka Streams Field Guide on the topics that matter most in production.
#ApacheKafka #KafkaStreams

Lenses Lenses ® is a DataOps platform that provides cutting edge visibility into data streams, integrations, processing, operations and enables ethical and secure data usage for the modern data-driven enterprise.

The latest update for #Lensesio includes "The $11 Billion Question: What the acquisition of Confluent by IBM means" and "JSON schemas to control your Lenses & infrastructure provisioning".

#ApacheKafka #KafkaStreams #DataOps https://opsmtrs.com/3Aebk0w

The wait is over — my Kafka Streams Field Guide is officially released! 🎉 🚀
Launch week = 15% off (auto‑applied on checkout)
Get your copy now! 👉 kafkastreamsfieldguide.com
#Kafka #KafkaStreams

I had the pleasure to get an „early access“, and have to say, it’s a great book!

#KafkaStreams

Kafka Streams Field Guide | Kafka Streams Field Guide Book Field guide with 8 essential insights for running Kafka Streams in production

🚀 Launch week is almost here!

The #KafkaStreams Field Guide drops next Tue, Dec 16 — and early buyers get 15% off during launch week with code LAUNCHWEEK (auto-applied at checkout).

I’m also using purchasing power parity so you get a fair regional price.

kafkastreamsfieldguide.com

Kafka Streams Field Guide | Kafka Streams Field Guide Book Field guide with 8 essential insights for running Kafka Streams in production

📣 Release Date Announcement!
My #KafkaStreams Field Guide releases next Tuesday, Dec 16th!

I can’t wait to share my 8 insights from running Kafka Streams in production—so you can build & deploy with confidence.

kafkastreamsfieldguide.com

Lenses Lenses ® is a DataOps platform that provides cutting edge visibility into data streams, integrations, processing, operations and enables ethical and secure data usage for the modern data-driven enterprise.

The latest update for #Lensesio includes "JSON schemas to control your Lenses & infrastructure provisioning" and "Fat Fingers? Not With Our K2K Config Schema Protector!".

#ApacheKafka #KafkaStreams #DataOps https://opsmtrs.com/3Aebk0w

Lenses Lenses ® is a DataOps platform that provides cutting edge visibility into data streams, integrations, processing, operations and enables ethical and secure data usage for the modern data-driven enterprise.

The latest update for #Lensesio includes "Fat Fingers? Not With Our K2K Config Schema Protector!" and "Lenses 6.1 - #Kafka connectivity to your Copilot & self-service data replication".

#ApacheKafka #KafkaStreams #DataOps https://opsmtrs.com/3Aebk0w

Interesting interview with Matthias J. Sax, technical lead for #KafkaStreams at Confluent.
www.youtube.com/watch?v=nrDU...

Kafka Streams News - November 2025 | Kafka Streams Field Guide Book Latest news and content from the Kafka Streams community for November 2025

Just published my #KafkaStreams news summary! 🔥
Highlights: 4.1.1 bug-fix release, upcoming DLQ feature for Kafka Streams, new Streams UI in Confluent Cloud, Current sessions, & more.
kafkastreamsfieldguide.com/articles/kaf...
#ApacheKafka

Apache Kafka Apache Kafka: A Distributed Streaming Platform.

We are happy to share that the Apache Kafka 4.1.1 bug-fix release is now available!

It contains a critical memory-leak fix for #KafkaStreams and many other fixes. For details see kafka.apache.org/blog#apache_...

Thanks to 32 contributors and Lianet Magrans as our RM.

Including “Strengthening Kafka Streams Operations and Observability” — If you are using #KafkaStreams on Confluent Cloud you should check out the announcement.

Life Is But A Stream Podcast Hosted by Joseph Morais Life Is But A Stream is a web show and podcast for tech leaders looking to harness real-time data streaming to accelerate innovation and drive business impact.

#KafkaStreams is at the core of Metronome.

"There is some talks we've given[...] on what it looks like to run KS at scale." -- "We are storing TBs of state in RocksDB."

A very advanced deployment requiring careful engineering. But the library approach shines!

Check it out.

cnfl.io/3WPoAGE

Kafka Streams Field Guide | Kafka Streams Field Guide Book Field guide with 8 essential insights for running Kafka Streams in production

Exciting news about my #KafkaStreams Field Guide! 📚

✅ Will be available in HTML, PDF, and EPUB
✅ Code examples in both Java and Scala

Read it however you like, in whichever language you prefer. More details coming soon!

#ApacheKafka #dataengineering

kafkastreamsfieldguide.com

Data Streamign Awards Winner | Michelin Winner of the 2025 Data Modernization and Contribution award

Also congrats to our friends from Michelin.

Excited to see their DLQ feature for #KafkaStreams being included in the upcoming #ApacheKafka 4.2.0 release.

#Current #DataStreamingAwards

current.confluent.io/data-streami...

Lenses Lenses ® is a DataOps platform that provides cutting edge visibility into data streams, integrations, processing, operations and enables ethical and secure data usage for the modern data-driven enterprise.

The latest update for #Lensesio includes "Lenses 6.1 - #Kafka connectivity to your Copilot & self-service data replication" and "Topic & data multi-Kafka governance with your #AI-assistant".

#ApacheKafka #KafkaStreams #DataOps https://opsmtrs.com/3Aebk0w

Lenses Lenses ® is a DataOps platform that provides cutting edge visibility into data streams, integrations, processing, operations and enables ethical and secure data usage for the modern data-driven enterprise.

The latest update for #Lensesio includes "Lenses MCP for #Kafka" and "How Multi-Kafka impacts data replication strategy".

#ApacheKafka #KafkaStreams #DataOps https://opsmtrs.com/3Aebk0w

Lenses Lenses ® is a DataOps platform that provides cutting edge visibility into data streams, integrations, processing, operations and enables ethical and secure data usage for the modern data-driven enterprise.

The latest update for #Lensesio includes "How Multi-#Kafka impacts data replication strategy" and "The True Cost of Kafka Replication".

#ApacheKafka #KafkaStreams #DataOps https://opsmtrs.com/3Aebk0w

The #ApacheKafka Java clients and #KafkaStreams engineering team at @confluent.io keeps growing.

Very excited to welcome @okaberintaroubeta.bsky.social, Genseric Ghiro, and @nikitashupletsov.bsky.social!

We also have one more entry level position in Toronto 🇨🇦

careers.confluent.io/jobs/job/67c...

Lenses Lenses ® is a DataOps platform that provides cutting edge visibility into data streams, integrations, processing, operations and enables ethical and secure data usage for the modern data-driven enterprise.

The latest update for #Lensesio includes "How to migrate #AWS MSK to Express Brokers with Lenses K2K Replicator" and "From hours of #Kafka troubleshooting to insights in minutes".

#ApacheKafka #KafkaStreams #DataOps https://opsmtrs.com/3Aebk0w

"Congratulations!

Your talk, The Curious Case of Streaming Windows, has been accepted for Current 2025 taking place in-person October 29-30th, 2025 in New Orleans, Louisiana."

Looking forward to this! #Current2025 #ApacheKafka #KafkaStreams

Lenses Lenses ® is a DataOps platform that provides cutting edge visibility into data streams, integrations, processing, operations and enables ethical and secure data usage for the modern data-driven enterprise.

The latest update for #Lensesio includes "From hours of #Kafka troubleshooting to insights in minutes" and "The post-hype reality for developers".

#ApacheKafka #KafkaStreams #DataOps https://opsmtrs.com/3Aebk0w

Lenses Lenses ® is a DataOps platform that provides cutting edge visibility into data streams, integrations, processing, operations and enables ethical and secure data usage for the modern data-driven enterprise.

The latest update for #Lensesio includes "The #Kafka replicator comparison guide" and "Confluent Current 2025 highlights".

#ApacheKafka #KafkaStreams #DataOps https://opsmtrs.com/3Aebk0w