# Announcing Flower 1.16.0

**URL:** <https://discuss.flower.ai/t/announcing-flower-1-16-0/799>\
**Category:** General\
**Tags:** flower, release\
**Created:** [March 11, 2025, 4:43pm UTC](https://discuss.flower.ai/t/announcing-flower-1-16-0/799 "2025-03-11T16:43:21Z")\
**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:** [March 11, 2025, 4:43pm UTC](https://discuss.flower.ai/t/announcing-flower-1-16-0/799/1 "2025-03-11T16:43:22Z")

</div>

![flwr-1160-4](https://europe1.discourse-cdn.com/flex013/uploads/flower/original/1X/ce1588727e3c9307fb6278c1463699aad0b2b253.jpeg)

Just 15 days away from the [Flower AI Summit 2025](https://flower.ai/events/flower-ai-summit-2025/), the Flower team is excited to announce the release of Flower 1.16 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):

`Alan Silva`, `Andrej Jovanović`, `Charles Beauville`, `Chong Shen Ng`, `Daniel J. Beutel`, `Dimitris Stripelis`, `Heng Pan`, `Javier`, `Kevin Ta`, `Li Shaoyu`, `Mohammad Naseri`, `Taner Topal`, `Yan Gao`

### What’s new?

- **Enhance `RecordSet` and `Array` for improved usability** ([#4963](https://github.com/adap/flower/pull/4963), [#4980](https://github.com/adap/flower/pull/4980), [#4918](https://github.com/adap/flower/pull/4918))

- **Support function-specific Flower Mods for `ClientApp`** ([#4954](https://github.com/adap/flower/pull/4954), [#4962](https://github.com/adap/flower/pull/4962))

- **Introduce `@app.lifespan()` for lifecycle management** ([#4929](https://github.com/adap/flower/pull/4929), [#4986](https://github.com/adap/flower/pull/4986))

- **Add FedRAG example** ([#4955](https://github.com/adap/flower/pull/4955), [#5036](https://github.com/adap/flower/pull/5036), [#5042](https://github.com/adap/flower/pull/5042))

- **Upgrade FedProx baseline to a Flower App** ([#4937](https://github.com/adap/flower/pull/4937))

- **Migrate framework to Message-based system** ([#4959](https://github.com/adap/flower/pull/4959), [#4993](https://github.com/adap/flower/pull/4993), [#4979](https://github.com/adap/flower/pull/4979), [#4999](https://github.com/adap/flower/pull/4999))

- **Introduce event logging extension points** ([#4948](https://github.com/adap/flower/pull/4948), [#5013](https://github.com/adap/flower/pull/5013))

- **Increase default TTL and message size** ([#5011](https://github.com/adap/flower/pull/5011), [#5028](https://github.com/adap/flower/pull/5028))

- **Improve documentation** ([#4945](https://github.com/adap/flower/pull/4945), [#4965](https://github.com/adap/flower/pull/4965), [#4994](https://github.com/adap/flower/pull/4994), [#4964](https://github.com/adap/flower/pull/4964), [#4991](https://github.com/adap/flower/pull/4991), [#5014](https://github.com/adap/flower/pull/5014), [#4970](https://github.com/adap/flower/pull/4970), [#4990](https://github.com/adap/flower/pull/4990), [#4978](https://github.com/adap/flower/pull/4978), [#4944](https://github.com/adap/flower/pull/4944), [#5022](https://github.com/adap/flower/pull/5022), [#5007](https://github.com/adap/flower/pull/5007), [#4988](https://github.com/adap/flower/pull/4988), [#5053](https://github.com/adap/flower/pull/5053))

- **Update CI/CD** ([#4943](https://github.com/adap/flower/pull/4943), [#4942](https://github.com/adap/flower/pull/4942), [#4953](https://github.com/adap/flower/pull/4953), [#4985](https://github.com/adap/flower/pull/4985), [#4984](https://github.com/adap/flower/pull/4984), [#5025](https://github.com/adap/flower/pull/5025), [#4987](https://github.com/adap/flower/pull/4987), [#4912](https://github.com/adap/flower/pull/4912), [#5049](https://github.com/adap/flower/pull/5049))

- **Bugfixes** ([#4969](https://github.com/adap/flower/pull/4969), [#4974](https://github.com/adap/flower/pull/4974), [#5017](https://github.com/adap/flower/pull/5017), [#4995](https://github.com/adap/flower/pull/4995), [#4971](https://github.com/adap/flower/pull/4971), [#5037](https://github.com/adap/flower/pull/5037), [#5038](https://github.com/adap/flower/pull/5038))

- **General Improvements** ([#4947](https://github.com/adap/flower/pull/4947), [#4972](https://github.com/adap/flower/pull/4972), [#4992](https://github.com/adap/flower/pull/4992), [#5020](https://github.com/adap/flower/pull/5020), [#5018](https://github.com/adap/flower/pull/5018), [#4989](https://github.com/adap/flower/pull/4989), [#4957](https://github.com/adap/flower/pull/4957), [#5000](https://github.com/adap/flower/pull/5000), [#5012](https://github.com/adap/flower/pull/5012), [#5001](https://github.com/adap/flower/pull/5001))

### Incompatible changes

- **Remove deprecated CLI commands** ([#4855](https://github.com/adap/flower/pull/4855))

- **Bump minimum Python and `cryptography` versions** ([#4946](https://github.com/adap/flower/pull/4946))