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2 | 2 |
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3 | 3 | All notable changes to the LaunchDarkly Python SDK will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org). |
4 | 4 |
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| 5 | +## [9.17.0](https://github.com/launchdarkly/python-server-sdk/compare/9.16.1...9.17.0) (2026-08-28) |
| 6 | + |
| 7 | + |
| 8 | +### Features |
| 9 | + |
| 10 | +* Add async big segment store manager and async Redis adapter ([#462](https://github.com/launchdarkly/python-server-sdk/issues/462)) ([aa492d2](https://github.com/launchdarkly/python-server-sdk/commit/aa492d230252efd26256540cb35e86022b9342f7)) |
| 11 | +* Add async DynamoDB persistent feature store ([#490](https://github.com/launchdarkly/python-server-sdk/issues/490)) ([cb010df](https://github.com/launchdarkly/python-server-sdk/commit/cb010df83dfbab4c7b6bdfbcd08bd30bcb8d6baf)) |
| 12 | +* Add async event processor ([ec7c113](https://github.com/launchdarkly/python-server-sdk/commit/ec7c1137e9c64b3a010baac83e3b6aebd9db8df6)) |
| 13 | +* Add async event processor ([#472](https://github.com/launchdarkly/python-server-sdk/issues/472)) ([ec7c113](https://github.com/launchdarkly/python-server-sdk/commit/ec7c1137e9c64b3a010baac83e3b6aebd9db8df6)) |
| 14 | +* Add async FDv1 polling data source and feature requester ([#475](https://github.com/launchdarkly/python-server-sdk/issues/475)) ([cca37a8](https://github.com/launchdarkly/python-server-sdk/commit/cca37a86fff49adb69144e046b4f9a9c47d473bd)) |
| 15 | +* Add async FDv1 streaming and data source status tracking ([#464](https://github.com/launchdarkly/python-server-sdk/issues/464)) ([4bf7067](https://github.com/launchdarkly/python-server-sdk/commit/4bf7067e1d084df0eaa04cceefb95a79821ca966)) |
| 16 | +* Add async FDv2 data sources ([#485](https://github.com/launchdarkly/python-server-sdk/issues/485)) ([5da1515](https://github.com/launchdarkly/python-server-sdk/commit/5da1515fb4825383c187f2a80b320df0b6323e5a)) |
| 17 | +* Add async FDv2 data system ([#486](https://github.com/launchdarkly/python-server-sdk/issues/486)) ([6a70132](https://github.com/launchdarkly/python-server-sdk/commit/6a70132ce94e8a37e392b2bfd916e6ea9d86ffc4)) |
| 18 | +* Add async hook, plugin, and flag tracker ([#463](https://github.com/launchdarkly/python-server-sdk/issues/463)) ([686a70a](https://github.com/launchdarkly/python-server-sdk/commit/686a70a13e60a61ab6bd84b85f5753d91dad9960)) |
| 19 | +* Add async migration support ([#470](https://github.com/launchdarkly/python-server-sdk/issues/470)) ([577d51e](https://github.com/launchdarkly/python-server-sdk/commit/577d51e1092a64d0053725503f50ad0183dc2ad7)) |
| 20 | +* Add async persistent feature store foundation and Redis adapter ([f9c76ee](https://github.com/launchdarkly/python-server-sdk/commit/f9c76ee071683f8753a9802bcfef19ae0efa1715)) |
| 21 | +* Add AsyncConfig for the async SDK client ([#471](https://github.com/launchdarkly/python-server-sdk/issues/471)) ([0587a78](https://github.com/launchdarkly/python-server-sdk/commit/0587a780c8bb0697ca6a9ecf1d161b51eeba204f)) |
| 22 | +* Add AsyncLDClient with FDv1 data system and public API ([#480](https://github.com/launchdarkly/python-server-sdk/issues/480)) ([fd041a5](https://github.com/launchdarkly/python-server-sdk/commit/fd041a5587cf263080d1b14eeb3ac925b80599d8)) |
| 23 | +* Add Config.with_wrapper_information ([#501](https://github.com/launchdarkly/python-server-sdk/issues/501)) ([8a98583](https://github.com/launchdarkly/python-server-sdk/commit/8a9858318e7cbeaeef12b17a2a2077bad0175c57)) |
| 24 | +* Add environment ID support for hooks. ([#484](https://github.com/launchdarkly/python-server-sdk/issues/484)) ([49e809f](https://github.com/launchdarkly/python-server-sdk/commit/49e809fda444fd1136fb6c20c549c787c106f56d)) |
| 25 | +* Add read-only store views and async persistence foundation for the data system ([#503](https://github.com/launchdarkly/python-server-sdk/issues/503)) ([0eb61fa](https://github.com/launchdarkly/python-server-sdk/commit/0eb61fa574661c3c2cb1c674fc9add6666f6407a)) |
| 26 | + |
| 27 | + |
| 28 | +### Bug Fixes |
| 29 | + |
| 30 | +* Allow tombstones without a key property ([#502](https://github.com/launchdarkly/python-server-sdk/issues/502)) ([5f44e61](https://github.com/launchdarkly/python-server-sdk/commit/5f44e618f23afe3d9c93fdf86b7bdf4c2b133aef)) |
| 31 | +* Escape attribute names reported in redactedAttributes ([#505](https://github.com/launchdarkly/python-server-sdk/issues/505)) ([90059cb](https://github.com/launchdarkly/python-server-sdk/commit/90059cb48e53085ea1ea046d6c0892d291df174e)) |
| 32 | +* Prevent a persistent-store outage from throwing in the sync FDv2 evaluation ([#506](https://github.com/launchdarkly/python-server-sdk/issues/506)) ([467da53](https://github.com/launchdarkly/python-server-sdk/commit/467da53d0191488acab8718708080150cc71fb7d)) |
| 33 | +* Return empty prerequisites for a flag that fails to evaluate in all_flags_state ([#483](https://github.com/launchdarkly/python-server-sdk/issues/483)) ([73e9b07](https://github.com/launchdarkly/python-server-sdk/commit/73e9b078043d5dd495288de4860d56211f67fad2)) |
| 34 | + |
5 | 35 | ## [9.16.1](https://github.com/launchdarkly/python-server-sdk/compare/9.16.0...9.16.1) (2026-07-24) |
6 | 36 |
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7 | 37 |
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