# Announcing Flower 1.15.0

**URL:** <https://discuss.flower.ai/t/announcing-flower-1-15-0/657>\
**Category:** General\
**Tags:** flower, release\
**Created:** [February 3, 2025, 1:59pm UTC](https://discuss.flower.ai/t/announcing-flower-1-15-0/657 "2025-02-03T13:59:47Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**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:** [February 3, 2025, 1:59pm UTC](https://discuss.flower.ai/t/announcing-flower-1-15-0/657/1 "2025-02-03T13:59:47Z")

</div>

![flwr-115-1](https://europe1.discourse-cdn.com/flex013/uploads/flower/original/1X/1ecd7d79dfb6db43fa6065d2f9978ad922ca8d9f.jpeg)

The Flower team is excited to announce the release of Flower 1.15 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.

Happy Year of the Snake to all our users and contributors! 🧧🎉

### 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 J. Beutel`, `Daniel Nata Nugraha`, `Haoran Jie`, `Heng Pan`, `Ivelin Ivanov`, `Javier`, `Kevin Patel`, `Mohammad Naseri`, `Pavlos Bouzinis`, `Robert Steiner`

### What’s new?

- **Enhance SuperNode authentication** ([#4767](https://github.com/adap/flower/pull/4767), [#4791](https://github.com/adap/flower/pull/4791), [#4765](https://github.com/adap/flower/pull/4765), [#4857](https://github.com/adap/flower/pull/4857), [#4867](https://github.com/adap/flower/pull/4867))

- **Add guide for running Flower with Deployment Engine** ([#4811](https://github.com/adap/flower/pull/4811), [#4733](https://github.com/adap/flower/pull/4733))

- **Add Flower Network Communication reference documentation** ([#4805](https://github.com/adap/flower/pull/4805))

- **Add LeRobot quickstart example** ([#4607](https://github.com/adap/flower/pull/4607), [#4816](https://github.com/adap/flower/pull/4816))

- **Add video tutorial to simulation documentation** ([#4768](https://github.com/adap/flower/pull/4768))

- **Introduce StatAvg baseline** ([#3921](https://github.com/adap/flower/pull/3921))

- **Allow setting log level via environment variable** ([#4860](https://github.com/adap/flower/pull/4860), [#4880](https://github.com/adap/flower/pull/4880), [#4886](https://github.com/adap/flower/pull/4886))

- **Enable dynamic overrides for federation configuration in CLI** ([#4841](https://github.com/adap/flower/pull/4841), [#4843](https://github.com/adap/flower/pull/4843), [#4838](https://github.com/adap/flower/pull/4838))

- **Migrate TaskIns/TaskRes to Message-based communication** ([#4311](https://github.com/adap/flower/pull/4311), [#4310](https://github.com/adap/flower/pull/4310), [#4849](https://github.com/adap/flower/pull/4849), [#4308](https://github.com/adap/flower/pull/4308), [#4307](https://github.com/adap/flower/pull/4307), [#4800](https://github.com/adap/flower/pull/4800), [#4309](https://github.com/adap/flower/pull/4309), [#4875](https://github.com/adap/flower/pull/4875), [#4874](https://github.com/adap/flower/pull/4874), [#4877](https://github.com/adap/flower/pull/4877), [#4876](https://github.com/adap/flower/pull/4876))

- **Introduce exit codes** ([#4801](https://github.com/adap/flower/pull/4801), [#4845](https://github.com/adap/flower/pull/4845))

- **Update gRPC-related dependencies** ([#4833](https://github.com/adap/flower/pull/4833), [#4836](https://github.com/adap/flower/pull/4836), [#4887](https://github.com/adap/flower/pull/4887))

- **Update** `app-pytorch` **example** ([#4842](https://github.com/adap/flower/pull/4842))

- **Improve CLI-side user authentication** ([#4862](https://github.com/adap/flower/pull/4862), [#4861](https://github.com/adap/flower/pull/4861), [#4832](https://github.com/adap/flower/pull/4832), [#4850](https://github.com/adap/flower/pull/4850), [#4703](https://github.com/adap/flower/pull/4703), [#4885](https://github.com/adap/flower/pull/4885))

- **Ensure graceful exit for SuperLink and SuperNode** ([#4829](https://github.com/adap/flower/pull/4829), [#4846](https://github.com/adap/flower/pull/4846), [#4798](https://github.com/adap/flower/pull/4798), [#4826](https://github.com/adap/flower/pull/4826), [#4881](https://github.com/adap/flower/pull/4881), [#4797](https://github.com/adap/flower/pull/4797))

- **Improve documentation** ([#4380](https://github.com/adap/flower/pull/4380), [#4853](https://github.com/adap/flower/pull/4853), [#4214](https://github.com/adap/flower/pull/4214), [#4215](https://github.com/adap/flower/pull/4215), [#4863](https://github.com/adap/flower/pull/4863), [#4825](https://github.com/adap/flower/pull/4825), [#4759](https://github.com/adap/flower/pull/4759), [#4851](https://github.com/adap/flower/pull/4851), [#4779](https://github.com/adap/flower/pull/4779), [#4813](https://github.com/adap/flower/pull/4813), [#4812](https://github.com/adap/flower/pull/4812), [#4761](https://github.com/adap/flower/pull/4761), [#4859](https://github.com/adap/flower/pull/4859), [#4754](https://github.com/adap/flower/pull/4754), [#4839](https://github.com/adap/flower/pull/4839), [#4216](https://github.com/adap/flower/pull/4216), [#4852](https://github.com/adap/flower/pull/4852), [#4869](https://github.com/adap/flower/pull/4869))

- **Update Docker dependencies and documentation** ([#4763](https://github.com/adap/flower/pull/4763), [#4804](https://github.com/adap/flower/pull/4804), [#4762](https://github.com/adap/flower/pull/4762), [#4803](https://github.com/adap/flower/pull/4803), [#4753](https://github.com/adap/flower/pull/4753))

- **Update CI/CD** ([#4756](https://github.com/adap/flower/pull/4756), [#4834](https://github.com/adap/flower/pull/4834), [#4824](https://github.com/adap/flower/pull/4824), [#3493](https://github.com/adap/flower/pull/3493), [#4096](https://github.com/adap/flower/pull/4096), [#4807](https://github.com/adap/flower/pull/4807), [#3956](https://github.com/adap/flower/pull/3956), [#3168](https://github.com/adap/flower/pull/3168), [#4835](https://github.com/adap/flower/pull/4835), [#4884](https://github.com/adap/flower/pull/4884))

- **Bugfixes** ([#4766](https://github.com/adap/flower/pull/4766), [#4764](https://github.com/adap/flower/pull/4764), [#4795](https://github.com/adap/flower/pull/4795), [#4840](https://github.com/adap/flower/pull/4840), [#4868](https://github.com/adap/flower/pull/4868), [#4872](https://github.com/adap/flower/pull/4872), [#4890](https://github.com/adap/flower/pull/4890))

- **General improvements** ([#4748](https://github.com/adap/flower/pull/4748), [#4799](https://github.com/adap/flower/pull/4799), [#4645](https://github.com/adap/flower/pull/4645), [#4819](https://github.com/adap/flower/pull/4819), [#4755](https://github.com/adap/flower/pull/4755), [#4789](https://github.com/adap/flower/pull/4789), [#4771](https://github.com/adap/flower/pull/4771), [#4854](https://github.com/adap/flower/pull/4854), [#4796](https://github.com/adap/flower/pull/4796), [#4865](https://github.com/adap/flower/pull/4865), [#4820](https://github.com/adap/flower/pull/4820), [#4790](https://github.com/adap/flower/pull/4790), [#4821](https://github.com/adap/flower/pull/4821), [#4822](https://github.com/adap/flower/pull/4822), [#4751](https://github.com/adap/flower/pull/4751), [#4793](https://github.com/adap/flower/pull/4793), [#4871](https://github.com/adap/flower/pull/4871), [#4785](https://github.com/adap/flower/pull/4785), [#4787](https://github.com/adap/flower/pull/4787), [#4775](https://github.com/adap/flower/pull/4775), [#4783](https://github.com/adap/flower/pull/4783), [#4818](https://github.com/adap/flower/pull/4818), [#4786](https://github.com/adap/flower/pull/4786), [#4773](https://github.com/adap/flower/pull/4773), [#4772](https://github.com/adap/flower/pull/4772), [#4784](https://github.com/adap/flower/pull/4784), [#4810](https://github.com/adap/flower/pull/4810), [#4770](https://github.com/adap/flower/pull/4770), [#4870](https://github.com/adap/flower/pull/4870), [#4878](https://github.com/adap/flower/pull/4878), [#4889](https://github.com/adap/flower/pull/4889), [#4893](https://github.com/adap/flower/pull/4893))

### Incompatible changes

- **Remove deprecated `app`/`--server` arguments from `flower-supernode`** ([#4864](https://github.com/adap/flower/pull/4864), [#4891](https://github.com/adap/flower/pull/4891))

- **Deprecate `--auth-superlink-private-key`/`--auth-superlink-public-key` arguments from `flower-superlink`** ([#4848](https://github.com/adap/flower/pull/4848))