# Announcing Flower 1.43.0

**URL:** <https://discuss.flower.ai/t/announcing-flower-1-43-0/1293>\
**Category:** General\
**Tags:** flower, release\
**Created:** [November 4, 2026, 4:58pm UTC](https://discuss.flower.ai/t/announcing-flower-1-43-0/1293 "2026-11-04T16:58:25Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![pan-h](https://dub1.discourse-cdn.com/flex013/user_avatar/discuss.flower.ai/pan-h/32/67_2.png) [@pan-h](https://discuss.flower.ai/u/pan-h)\
**Post date:** [November 4, 2026, 4:58pm UTC](https://discuss.flower.ai/t/announcing-flower-1-43-0/1293/1 "2026-11-04T16:58:25Z")

</div>

![2026-11-04-announcing-flower-1.43-release](https://europe1.discourse-cdn.com/flex013/uploads/flower/original/1X/d7f578aab4e0e50041a16e516adcfa6448ef7723.jpeg)

The Flower team is excited to announce the release of Flower 1.43 stable, packed with new updates!

**Flower is a friendly framework for collaborative AI and data science.**  
It makes novel approaches such as federated learning, federated evaluation, federated analytics, and fleet learning accessible to a wide audience of researchers and engineers.

### Thanks to our contributors

We would like to give our special thanks to all the contributors who made the new version of Flower possible (in `git shortlog` order):

`Charles Beauville`, `Chong Shen Ng`, `Daniel Nata Nugraha`, `Heng Pan`, `Javier`, `Taner Topal`

### What’s new?

- **Stop strategies before all rounds complete** ([#8401](https://github.com/flwrlabs/flower/pull/8401))

- **Use HTTP for Fleet and Control APIs** ([#8458](https://github.com/flwrlabs/flower/pull/8458), [#8462](https://github.com/flwrlabs/flower/pull/8462), [#8463](https://github.com/flwrlabs/flower/pull/8463), [#8464](https://github.com/flwrlabs/flower/pull/8464), [#8467](https://github.com/flwrlabs/flower/pull/8467), [#8468](https://github.com/flwrlabs/flower/pull/8468), [#8475](https://github.com/flwrlabs/flower/pull/8475))

- **Reduce Agent response latency** ([#8425](https://github.com/flwrlabs/flower/pull/8425), [#8431](https://github.com/flwrlabs/flower/pull/8431), [#8432](https://github.com/flwrlabs/flower/pull/8432), [#8437](https://github.com/flwrlabs/flower/pull/8437), [#8449](https://github.com/flwrlabs/flower/pull/8449))

- **Create and list persistent Agents (experimental)** ([#8430](https://github.com/flwrlabs/flower/pull/8430), [#8435](https://github.com/flwrlabs/flower/pull/8435), [#8439](https://github.com/flwrlabs/flower/pull/8439), [#8440](https://github.com/flwrlabs/flower/pull/8440), [#8441](https://github.com/flwrlabs/flower/pull/8441), [#8443](https://github.com/flwrlabs/flower/pull/8443), [#8445](https://github.com/flwrlabs/flower/pull/8445))

- **General improvements** ([#8410](https://github.com/flwrlabs/flower/pull/8410), [#8411](https://github.com/flwrlabs/flower/pull/8411), [#8413](https://github.com/flwrlabs/flower/pull/8413), [#8414](https://github.com/flwrlabs/flower/pull/8414), [#8421](https://github.com/flwrlabs/flower/pull/8421), [#8422](https://github.com/flwrlabs/flower/pull/8422), [#8428](https://github.com/flwrlabs/flower/pull/8428), [#8436](https://github.com/flwrlabs/flower/pull/8436), [#8438](https://github.com/flwrlabs/flower/pull/8438), [#8447](https://github.com/flwrlabs/flower/pull/8447), [#8448](https://github.com/flwrlabs/flower/pull/8448), [#8455](https://github.com/flwrlabs/flower/pull/8455), [#8460](https://github.com/flwrlabs/flower/pull/8460), [#8461](https://github.com/flwrlabs/flower/pull/8461), [#8465](https://github.com/flwrlabs/flower/pull/8465), [#8466](https://github.com/flwrlabs/flower/pull/8466), [#8470](https://github.com/flwrlabs/flower/pull/8470), [#8471](https://github.com/flwrlabs/flower/pull/8471), [#8472](https://github.com/flwrlabs/flower/pull/8472))

### Incompatible changes

- **Handle unavailable nodes explicitly in strategies** ([#8385](https://github.com/flwrlabs/flower/pull/8385), [#8409](https://github.com/flwrlabs/flower/pull/8409), [#8415](https://github.com/flwrlabs/flower/pull/8415), [#8426](https://github.com/flwrlabs/flower/pull/8426), [#8429](https://github.com/flwrlabs/flower/pull/8429))