chore(main): release 10.0.0

Author: github-actions[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "9.15.1"
+  ".": "10.0.0"
 }

CHANGELOG.md

@@ -2,6 +2,24 @@
 
 All notable changes to the LaunchDarkly Python SDK will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [10.0.0](https://github.com/launchdarkly/python-server-sdk/compare/9.15.1...10.0.0) (2026-06-05)
+
+
+### ⚠ BREAKING CHANGES
+
+* Replace Python 2-style ABC patterns with Python 3 equivalents for stricter enforcement ([#430](https://github.com/launchdarkly/python-server-sdk/issues/430))
+
+### Features
+
+* Drop persistent-store cache after FDv2 in-memory store init ([#426](https://github.com/launchdarkly/python-server-sdk/issues/426)) ([563b87a](https://github.com/launchdarkly/python-server-sdk/commit/563b87acc024e5196fba24064b0df802facda407))
+
+
+### Bug Fixes
+
+* align FDv2 goodbye event with spec (reason-only) ([#422](https://github.com/launchdarkly/python-server-sdk/issues/422)) ([84b442d](https://github.com/launchdarkly/python-server-sdk/commit/84b442da7e773f58e5ff43d7a84c67ef0439816a))
+* honor server-directed FDv1 Fallback Directive in initializer phase ([#423](https://github.com/launchdarkly/python-server-sdk/issues/423)) ([7c49bc0](https://github.com/launchdarkly/python-server-sdk/commit/7c49bc04c22089109da6c5efe143e5bfcfd780b8))
+* Replace Python 2-style ABC patterns with Python 3 equivalents for stricter enforcement ([#430](https://github.com/launchdarkly/python-server-sdk/issues/430)) ([22b8fe5](https://github.com/launchdarkly/python-server-sdk/commit/22b8fe561510f1b7581009cc1b6969a823ff119b))
+
 ## [9.15.1](https://github.com/launchdarkly/python-server-sdk/compare/9.15.0...9.15.1) (2026-04-10)
 
 

PROVENANCE.md

@@ -9,7 +9,7 @@ To verify build provenance attestations, we recommend using the [GitHub CLI `att
 <!-- x-release-please-start-version -->
 ```
 # Set the version of the SDK to verify
-SDK_VERSION=9.15.1
+SDK_VERSION=10.0.0
 ```
 <!-- x-release-please-end -->
 

ldclient/version.py

@@ -1 +1 @@
-VERSION = "9.15.1"  # x-release-please-version
+VERSION = "10.0.0"  # x-release-please-version

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "launchdarkly-server-sdk"
-version = "9.15.1"
+version = "10.0.0"
 description = "LaunchDarkly SDK for Python"
 authors = [
     {name = "LaunchDarkly", email = "dev@launchdarkly.com"}