# Latest **URL:** https://discuss.flower.ai/latest.md [Latest](https://discuss.flower.ai/latest.md) · [Categories](https://discuss.flower.ai/categories.md) · [Tags](https://discuss.flower.ai/tags.md) --- ## [Welcome to Flower Discuss! 👋](https://discuss.flower.ai/t/welcome-to-flower-discuss/5)
**Author:** [@system](https://discuss.flower.ai/u/system)\ **Replies:** 0\ **Last updated:** [November 24, 2023, 8:02pm UTC](https://discuss.flower.ai/t/welcome-to-flower-discuss/5 "2023-11-24T20:02:51Z")
We are so glad you joined us. Flower Discuss Welcome to Flower Discuss - The User Forum for Flower, your Friendly Federated Learning Framework Here are some things you can do to get started: :speaking\_head: Introduc… --- ## [Announcing Flower 1.38.0](https://discuss.flower.ai/t/announcing-flower-1-38-0/1274)
**Author:** [@pan-h](https://discuss.flower.ai/u/pan-h)\ **Replies:** 0\ **Last updated:** [September 22, 2026, 6:56pm UTC](https://discuss.flower.ai/t/announcing-flower-1-38-0/1274 "2026-09-22T18:56:39Z")
The Flower team is excited to announce the release of Flower 1.38 stable, packed with new updates! Flower is a friendly framework for collaborative AI and data science. It makes novel approaches such as federated le… --- ## [Collaborative Agent Hackathon - Berlin, Germany, 2026](https://discuss.flower.ai/t/collaborative-agent-hackathon-berlin-germany-2026/1273)
**Author:** [@danielnata](https://discuss.flower.ai/u/danielnata)\ **Replies:** 0\ **Last updated:** [September 16, 2026, 7:17am UTC](https://discuss.flower.ai/t/collaborative-agent-hackathon-berlin-germany-2026/1273 "2026-09-16T07:17:24Z")
Collaborative Agent Hackathon - Berlin, Germany, 2026 It is great to have you taking part in our Collaborative Agent Hackathon in Cambridge! As participants, you will be among the first to get limited access to Flower… --- ## [Announcing Flower.137.0](https://discuss.flower.ai/t/announcing-flower-137-0/1272)
**Author:** [@javier](https://discuss.flower.ai/u/javier)\ **Replies:** 0\ **Last updated:** [September 15, 2026, 1:04pm UTC](https://discuss.flower.ai/t/announcing-flower-137-0/1272 "2026-09-15T13:04:14Z")
The Flower team is excited to announce the release of Flower 1.37 stable, packed with new updates! Flower is a friendly framework for collaborative AI and data science. It makes novel approaches such as federated le… --- ## [Announcing Flower 1.36.0](https://discuss.flower.ai/t/announcing-flower-1-36-0/1271)
**Author:** [@javier](https://discuss.flower.ai/u/javier)\ **Replies:** 0\ **Last updated:** [September 1, 2026, 3:01pm UTC](https://discuss.flower.ai/t/announcing-flower-1-36-0/1271 "2026-09-01T15:01:02Z")
The Flower team is excited to announce the release of Flower 1.36 stable, packed with new updates! Flower is a friendly framework for collaborative AI and data science. It makes novel approaches such as federated le… --- ## [Announcing Flower 1.35.0](https://discuss.flower.ai/t/announcing-flower-1-35-0/1270)
**Author:** [@pan-h](https://discuss.flower.ai/u/pan-h)\ **Replies:** 0\ **Last updated:** [August 25, 2026, 2:52pm UTC](https://discuss.flower.ai/t/announcing-flower-1-35-0/1270 "2026-08-25T14:52:27Z")
The Flower team is excited to announce the release of Flower 1.35 stable, packed with new updates! Flower is a friendly framework for collaborative AI and data science. It makes novel approaches such as federated le… --- ## [Collaborative Agent Hackathon - Cambridge, UK, 2026](https://discuss.flower.ai/t/collaborative-agent-hackathon-cambridge-uk-2026/1269)
**Author:** [@chongshenng](https://discuss.flower.ai/u/chongshenng)\ **Replies:** 0\ **Last updated:** [August 25, 2026, 9:42am UTC](https://discuss.flower.ai/t/collaborative-agent-hackathon-cambridge-uk-2026/1269 "2026-08-25T09:42:58Z")
Collaborative Agent Hackathon - Cambridge, UK, 2026 It is great to have you taking part in our Collaborative Agent Hackathon in Cambridge! As participants, you will be among the first to get limited access to Flower A… --- ## [Implementing an MCU Client](https://discuss.flower.ai/t/implementing-an-mcu-client/1266)
**Author:** [@neonduck](https://discuss.flower.ai/u/neonduck)\ **Replies:** 2\ **Last updated:** [August 24, 2026, 1:13pm UTC](https://discuss.flower.ai/t/implementing-an-mcu-client/1266 "2026-08-24T13:13:02Z")
Hi, I want to propose a possible solution on how to use MCUs such as ESP32 using Flower. My students implemented this project and presented a working example. --- ## [Announcing Flower 1.34.0](https://discuss.flower.ai/t/announcing-flower-1-34-0/1268)
**Author:** [@pan-h](https://discuss.flower.ai/u/pan-h)\ **Replies:** 0\ **Last updated:** [August 19, 2026, 12:28pm UTC](https://discuss.flower.ai/t/announcing-flower-1-34-0/1268 "2026-08-19T12:28:34Z")
The Flower team is excited to announce the release of Flower 1.34 stable, packed with new updates! Flower is a friendly framework for collaborative AI and data science. It makes novel approaches such as federated le… --- ## [Announcing Flower 1.33.0](https://discuss.flower.ai/t/announcing-flower-1-33-0/1267)
**Author:** [@pan-h](https://discuss.flower.ai/u/pan-h)\ **Replies:** 0\ **Last updated:** [August 5, 2026, 9:52am UTC](https://discuss.flower.ai/t/announcing-flower-1-33-0/1267 "2026-08-05T09:52:14Z")
The Flower team is excited to announce the release of Flower 1.33 stable, packed with new updates! Flower is a friendly framework for collaborative AI and data science. It makes novel approaches such as federated le… --- ## [\[Please help\] How to run the server\_app.py / clinet\_app.py on sprarate devices? ](https://discuss.flower.ai/t/please-help-how-to-run-the-server-app-py-clinet-app-py-on-sprarate-devices/1265)
**Author:** [@flwrforhw](https://discuss.flower.ai/u/flwrforhw)\ **Replies:** 0\ **Last updated:** [July 27, 2026, 9:34am UTC](https://discuss.flower.ai/t/please-help-how-to-run-the-server-app-py-clinet-app-py-on-sprarate-devices/1265 "2026-07-27T09:34:02Z")
Hello. I am using two raspberry pi 4B to build a simple FL. But i dont know how can i run the server script in one pi and run the client script in another pi. What command i can use? --- ## ['Hello world' example of Flower Framework](https://discuss.flower.ai/t/hello-world-example-of-flower-framework/1260)
**Author:** [@herman](https://discuss.flower.ai/u/herman)\ **Replies:** 1\ **Last updated:** [July 6, 2026, 1:07pm UTC](https://discuss.flower.ai/t/hello-world-example-of-flower-framework/1260 "2026-07-06T13:07:25Z")
Hi All, I am looking for a very basis ‘Hello World’ example of the Flower Framework without diving into Machine learning or AI (yet). I want to get the basics of the framework first (ClientApp, ServerApp, strategy, etc).… --- ## [Announcing Flower 1.32.1](https://discuss.flower.ai/t/announcing-flower-1-32-1/1258)
**Author:** [@pan-h](https://discuss.flower.ai/u/pan-h)\ **Replies:** 0\ **Last updated:** [July 1, 2026, 12:20pm UTC](https://discuss.flower.ai/t/announcing-flower-1-32-1/1258 "2026-07-01T12:20:14Z")
The Flower team is excited to announce the release of Flower 1.32.1 stable! Flower is a friendly framework for collaborative AI and data science. It makes novel approaches such as federated learning, federated evalu… --- ## [Announcing Flower 1.32.0](https://discuss.flower.ai/t/announcing-flower-1-32-0/1255)
**Author:** [@pan-h](https://discuss.flower.ai/u/pan-h)\ **Replies:** 0\ **Last updated:** [June 25, 2026, 12:35pm UTC](https://discuss.flower.ai/t/announcing-flower-1-32-0/1255 "2026-06-25T12:35:03Z")
The Flower team is excited to announce the release of Flower 1.32 stable, packed with new updates! Flower is a friendly framework for collaborative AI and data science. It makes novel approaches such as federated le… --- ## [New to flwr and having problem in running my first program. ](https://discuss.flower.ai/t/new-to-flwr-and-having-problem-in-running-my-first-program/1254)
**Author:** [@shubhamets](https://discuss.flower.ai/u/shubhamets)\ **Replies:** 1\ **Last updated:** [June 25, 2026, 8:36am UTC](https://discuss.flower.ai/t/new-to-flwr-and-having-problem-in-running-my-first-program/1254 "2026-06-25T08:36:23Z")
Hello, I am new to flwr and trying to follow the website instructions. But I am getting the following error. Can someone help me? :white\_check\_mark: Python 3.11.9 :white\_check\_mark: Ray 2.55.1 installed … --- ## [Unable to run the last part of the PyTorch tutorial, Communicating Arbitrary Objects](https://discuss.flower.ai/t/unable-to-run-the-last-part-of-the-pytorch-tutorial-communicating-arbitrary-objects/1250)
**Author:** [@mskbey](https://discuss.flower.ai/u/mskbey)\ **Replies:** 1\ **Last updated:** [June 14, 2026, 4:30pm UTC](https://discuss.flower.ai/t/unable-to-run-the-last-part-of-the-pytorch-tutorial-communicating-arbitrary-objects/1250 "2026-06-14T16:30:06Z")
Hey everyone. I’m trying to complete the PyTorch tutorial, and I’m stuck on the very last portion of part 4, Communicating Arbitrary Objects (Communicate custom Messages - Flower Framework) I had to fix quite a few undo… --- ## [Gossip Learning Simulation](https://discuss.flower.ai/t/gossip-learning-simulation/1249)
**Author:** [@khiro](https://discuss.flower.ai/u/khiro)\ **Replies:** 2\ **Last updated:** [June 12, 2026, 11:35pm UTC](https://discuss.flower.ai/t/gossip-learning-simulation/1249 "2026-06-12T23:35:42Z")
Hi, I wanted to know if there is a way to handle gossip learning simulation with Flower where I have a P2P network and the nodes of the network can interact with each other. Thank you --- ## [Simulation works when run directly on a compute node but fails silently under srun and under sbatch?](https://discuss.flower.ai/t/simulation-works-when-run-directly-on-a-compute-node-but-fails-silently-under-srun-and-under-sbatch/1248)
**Author:** [@mariza](https://discuss.flower.ai/u/mariza)\ **Replies:** 1\ **Last updated:** [June 12, 2026, 7:32pm UTC](https://discuss.flower.ai/t/simulation-works-when-run-directly-on-a-compute-node-but-fails-silently-under-srun-and-under-sbatch/1248 "2026-06-12T19:32:01Z")
I’m running a Flower simulation on a SLURM HPC cluster and getting inconsistent behavior depending on how I launch it. Hoping someone with SLURM experience can help. Setup: Flower \[1.28.0\], Ray \[2.51.1\], Python 3.12,… --- ## [Finetuning Lizzy](https://discuss.flower.ai/t/finetuning-lizzy/1247)
**Author:** [@werner](https://discuss.flower.ai/u/werner)\ **Replies:** 1\ **Last updated:** [June 9, 2026, 10:20am UTC](https://discuss.flower.ai/t/finetuning-lizzy/1247 "2026-06-09T10:20:07Z")
Hi, probably not the right place to ask. But could not find Lizzy-7B related stuff here. I’d like to fine-tune Lizzy7B to German instruct examples. I have already a work flow that’s battle tested on Mistral 7B v03 and… --- ## [Announcing Flower 1.31.0](https://discuss.flower.ai/t/announcing-flower-1-31-0/1251)
**Author:** [@javier](https://discuss.flower.ai/u/javier)\ **Replies:** 0\ **Last updated:** [June 8, 2026, 4:43pm UTC](https://discuss.flower.ai/t/announcing-flower-1-31-0/1251 "2026-06-08T16:43:17Z")
The Flower team is excited to announce the release of Flower 1.31 stable, packed with new updates! Flower is a friendly framework for collaborative AI and data science. It makes novel approaches such as federated le… --- ## [Announcing Flower 1.30.0](https://discuss.flower.ai/t/announcing-flower-1-30-0/1241)
**Author:** [@pan-h](https://discuss.flower.ai/u/pan-h)\ **Replies:** 0\ **Last updated:** [May 20, 2026, 1:32pm UTC](https://discuss.flower.ai/t/announcing-flower-1-30-0/1241 "2026-05-20T13:32:04Z")
The Flower team is excited to announce the release of Flower 1.30 stable, packed with new updates! Flower is a friendly framework for collaborative AI and data science. It makes novel approaches such as federated le… --- ## [Understanding flower connection, communication, flow](https://discuss.flower.ai/t/understanding-flower-connection-communication-flow/1239)
**Author:** [@samoreno](https://discuss.flower.ai/u/samoreno)\ **Replies:** 1\ **Last updated:** [May 13, 2026, 1:30pm UTC](https://discuss.flower.ai/t/understanding-flower-connection-communication-flow/1239 "2026-05-13T13:30:11Z")
Hello you all! I’m running Deploy Flower on Multiple Machines with Docker Compose - Flower Framework . I did run the example, now I’m trying to extend it but I have some doubts about it. I’m trying to deploy two client… --- ## [Flower run toy examples error. ](https://discuss.flower.ai/t/flower-run-toy-examples-error/1231)
**Author:** [@samoreno](https://discuss.flower.ai/u/samoreno)\ **Replies:** 3\ **Last updated:** [May 11, 2026, 9:41am UTC](https://discuss.flower.ai/t/flower-run-toy-examples-error/1231 "2026-05-11T09:41:51Z")
Hi! I’m diving into flower and I just start with the initial toy examples. Specifically I’m running the pytorch example app. I follow the steps in the tutorial, i.e., Install flower, set up pytorch example with flwr n… --- ## [Learning to use Flower and ML with a concert case - My Fitbit data ](https://discuss.flower.ai/t/learning-to-use-flower-and-ml-with-a-concert-case-my-fitbit-data/1230)
**Author:** [@jmuilu](https://discuss.flower.ai/u/jmuilu)\ **Replies:** 2\ **Last updated:** [April 17, 2026, 5:25pm UTC](https://discuss.flower.ai/t/learning-to-use-flower-and-ml-with-a-concert-case-my-fitbit-data/1230 "2026-04-17T17:25:25Z")
How about implementing concrete study case using for example data from wearables like Fitbit… ? Would be nice to participate and learn to use Flower and ML techniques with a concrete case. --- ## [Federated learning using Supergrid - Different systems](https://discuss.flower.ai/t/federated-learning-using-supergrid-different-systems/1232)
**Author:** [@bmagoba](https://discuss.flower.ai/u/bmagoba)\ **Replies:** 1\ **Last updated:** [April 17, 2026, 3:01pm UTC](https://discuss.flower.ai/t/federated-learning-using-supergrid-different-systems/1232 "2026-04-17T15:01:46Z")
Hello everyone, My name is Bridget Magoba, a PhD fellow and very new to Flower. My research will involve federated learning across different systems and different formats, e.g., a hospital eHR, A lab system, mobility da… --- ## [Announcing Flower 1.29.0](https://discuss.flower.ai/t/announcing-flower-1-29-0/1225)
**Author:** [@pan-h](https://discuss.flower.ai/u/pan-h)\ **Replies:** 0\ **Last updated:** [April 12, 2026, 8:54am UTC](https://discuss.flower.ai/t/announcing-flower-1-29-0/1225 "2026-04-12T08:54:59Z")
As we count down to the Flower AI Summit 2026 (only 3 days away!), the Flower team is excited to announce the release of Flower 1.29 stable, packed with new updates! Flower is a friendly framework for collaborative … --- ## [ClientApp with multigpu training from pytorch lightning](https://discuss.flower.ai/t/clientapp-with-multigpu-training-from-pytorch-lightning/1210)
**Author:** [@paul75](https://discuss.flower.ai/u/paul75)\ **Replies:** 3\ **Last updated:** [April 4, 2026, 4:29pm UTC](https://discuss.flower.ai/t/clientapp-with-multigpu-training-from-pytorch-lightning/1210 "2026-04-04T16:29:49Z")
Hello Im trying to run a training with 1 client that uses 2 or more gpus with DDP strategy. I have this issue where the DDP strategy interferes with the ClientApp, it spawns/forks additional processes which re-enter th… --- ## [Announcing Flower 1.28.0](https://discuss.flower.ai/t/announcing-flower-1-28-0/1223)
**Author:** [@pan-h](https://discuss.flower.ai/u/pan-h)\ **Replies:** 0\ **Last updated:** [April 2, 2026, 7:07pm UTC](https://discuss.flower.ai/t/announcing-flower-1-28-0/1223 "2026-04-02T19:07:55Z")
Just two weeks before Flower AI Summit 2026, the Flower team is excited to announce the release of Flower 1.28 stable, packed with new updates! Flower is a friendly framework for collaborative AI and data science. I… --- ## [Announcing Flower 1.27.0](https://discuss.flower.ai/t/announcing-flower-1-27-0/1218)
**Author:** [@pan-h](https://discuss.flower.ai/u/pan-h)\ **Replies:** 0\ **Last updated:** [March 10, 2026, 1:44pm UTC](https://discuss.flower.ai/t/announcing-flower-1-27-0/1218 "2026-03-10T13:44:04Z")
The Flower team is excited to announce the release of Flower 1.27 stable, packed with new updates! Flower is a friendly framework for collaborative AI and data science. It makes novel approaches such as federated le… --- ## [Option to disable FAB for enhanced security](https://discuss.flower.ai/t/option-to-disable-fab-for-enhanced-security/1217)
**Author:** [@timmyjc](https://discuss.flower.ai/u/timmyjc)\ **Replies:** 0\ **Last updated:** [March 6, 2026, 2:54pm UTC](https://discuss.flower.ai/t/option-to-disable-fab-for-enhanced-security/1217 "2026-03-06T14:54:22Z")
Hi there, I’m looking to deploy flower in a setting with sensitive data where security is crucial. Our proposed flow is that data owners review and approve client apps and install them locally. I’ve read that flower has… [Next page](https://discuss.flower.ai/latest.md?page=1)