diff --git a/libs/client-sdk/CHANGELOG.md b/libs/client-sdk/CHANGELOG.md
new file mode 100644
index 000000000..c5d4bd53c
--- /dev/null
+++ b/libs/client-sdk/CHANGELOG.md
@@ -0,0 +1,26 @@
+# Changelog
+
+## 0.0.0 (2023-05-10)
+
+
+### Features
+
+* Add client support for streaming. ([#25](https://github.com/launchdarkly/cpp-sdks-private/issues/25)) ([0e3c1f2](https://github.com/launchdarkly/cpp-sdks-private/commit/0e3c1f21dc1bf76451284e4e7f7f61cf1c503eb6))
+* Add support for redirection requests. ([#31](https://github.com/launchdarkly/cpp-sdks-private/issues/31)) ([ba5c5ae](https://github.com/launchdarkly/cpp-sdks-private/commit/ba5c5aebe45b5e6bab4fff9b859d83ad2bb58afa))
+* eventsource client ([#1](https://github.com/launchdarkly/cpp-sdks-private/issues/1)) ([ab2b0fe](https://github.com/launchdarkly/cpp-sdks-private/commit/ab2b0feb50ef9f607d19c29ed2dd648f3c47b472))
+* generate analytic events from evaluations ([#36](https://github.com/launchdarkly/cpp-sdks-private/issues/36)) ([c62dcf6](https://github.com/launchdarkly/cpp-sdks-private/commit/c62dcf69673ef2fcae2dc2f2d143cf0b0f15d076))
+* implement Client type ([#21](https://github.com/launchdarkly/cpp-sdks-private/issues/21)) ([10265fd](https://github.com/launchdarkly/cpp-sdks-private/commit/10265fda24191172145f0f22e9f82321f2e3dc6b))
+* implement event delivery  ([#29](https://github.com/launchdarkly/cpp-sdks-private/issues/29)) ([4de5eaa](https://github.com/launchdarkly/cpp-sdks-private/commit/4de5eaaccba0556c4990dceb501277472bab4385))
+* Implement flag manager. ([#20](https://github.com/launchdarkly/cpp-sdks-private/issues/20)) ([15199f1](https://github.com/launchdarkly/cpp-sdks-private/commit/15199f111f30b06b99f4ce642d1a614d46b629d1))
+* Implement http/https requests. ([#27](https://github.com/launchdarkly/cpp-sdks-private/issues/27)) ([853d3ff](https://github.com/launchdarkly/cpp-sdks-private/commit/853d3ff5a4148a9d3ed933d2a23dc8609c75d36b))
+* Implement polling data source. ([#28](https://github.com/launchdarkly/cpp-sdks-private/issues/28)) ([7ef503b](https://github.com/launchdarkly/cpp-sdks-private/commit/7ef503bdcafcf203e63f8faf8431f0baf019c2ee))
+* Implement streaming data source. ([#17](https://github.com/launchdarkly/cpp-sdks-private/issues/17)) ([9931b96](https://github.com/launchdarkly/cpp-sdks-private/commit/9931b96f73847d5a1b4456fd4f463d43dade5c1b))
+* make EvaluationReason use enums for Kind and ErrorKind ([#40](https://github.com/launchdarkly/cpp-sdks-private/issues/40)) ([c330bb8](https://github.com/launchdarkly/cpp-sdks-private/commit/c330bb89907932bb4b8076a52be60756f84810a8))
+* replace Encrypted/Plain clients with foxy library ([#39](https://github.com/launchdarkly/cpp-sdks-private/issues/39)) ([33e92df](https://github.com/launchdarkly/cpp-sdks-private/commit/33e92df2e970c607bead4a912fc737027750c8fb))
+* Support flag change notifications. ([#41](https://github.com/launchdarkly/cpp-sdks-private/issues/41)) ([24c6cd8](https://github.com/launchdarkly/cpp-sdks-private/commit/24c6cd81cea678bdb6930600a919b1bc5a698c88))
+* Support handling invalid URLs for asio requests. ([#30](https://github.com/launchdarkly/cpp-sdks-private/issues/30)) ([64b8aaf](https://github.com/launchdarkly/cpp-sdks-private/commit/64b8aafdbac07fbf2a82f1bb9fde762c63fd79e7))
+
+
+### Bug Fixes
+
+* remove extra call to data_source->Start() in api.cpp ([#37](https://github.com/launchdarkly/cpp-sdks-private/issues/37)) ([33458a4](https://github.com/launchdarkly/cpp-sdks-private/commit/33458a4f6f7558cca6c4bce721b3d70be5d524f5))
diff --git a/libs/common/CHANGELOG.md b/libs/common/CHANGELOG.md
new file mode 100644
index 000000000..af9e829cd
--- /dev/null
+++ b/libs/common/CHANGELOG.md
@@ -0,0 +1,41 @@
+# Changelog
+
+## 0.0.0 (2023-05-10)
+
+
+### Features
+
+* add ApplicationInfo ([#6](https://github.com/launchdarkly/cpp-sdks-private/issues/6)) ([17899c1](https://github.com/launchdarkly/cpp-sdks-private/commit/17899c173d319be4a2d096f0ac2212cf9de094cd))
+* Add attribute reference support. ([#7](https://github.com/launchdarkly/cpp-sdks-private/issues/7)) ([2203788](https://github.com/launchdarkly/cpp-sdks-private/commit/2203788c658cd1548e2285773652b8420c09bc1b))
+* add console backend constructor that gets level from env ([#6](https://github.com/launchdarkly/cpp-sdks-private/issues/6)) ([14f4161](https://github.com/launchdarkly/cpp-sdks-private/commit/14f4161cd3dea5b32d5a1b5eca320377066e0ea0))
+* Add context type, value type, and associated builders. ([#5](https://github.com/launchdarkly/cpp-sdks-private/issues/5)) ([b6edb69](https://github.com/launchdarkly/cpp-sdks-private/commit/b6edb6952497eb4171bc8a63506a408a2f85a969))
+* add error.hpp and tl::expected library ([#9](https://github.com/launchdarkly/cpp-sdks-private/issues/9)) ([1b4ddc8](https://github.com/launchdarkly/cpp-sdks-private/commit/1b4ddc8587ba8311626e2e07ef725d8164f22cb1))
+* add event summarizer ([#19](https://github.com/launchdarkly/cpp-sdks-private/issues/19)) ([3c4845a](https://github.com/launchdarkly/cpp-sdks-private/commit/3c4845a0066ed65078969dd26f423e14d1e70843))
+* add ServiceEndpoints builder & struct [1/2] ([#2](https://github.com/launchdarkly/cpp-sdks-private/issues/2)) ([10763e7](https://github.com/launchdarkly/cpp-sdks-private/commit/10763e77f5ed6a637554c9c3af6564a115b538ce))
+* Add support for redirection requests. ([#31](https://github.com/launchdarkly/cpp-sdks-private/issues/31)) ([ba5c5ae](https://github.com/launchdarkly/cpp-sdks-private/commit/ba5c5aebe45b5e6bab4fff9b859d83ad2bb58afa))
+* Change builder to allow for better loops. ([#8](https://github.com/launchdarkly/cpp-sdks-private/issues/8)) ([0b00f28](https://github.com/launchdarkly/cpp-sdks-private/commit/0b00f283d12512a13d8bcdc288b2dfde845a2673))
+* eventsource client ([#1](https://github.com/launchdarkly/cpp-sdks-private/issues/1)) ([ab2b0fe](https://github.com/launchdarkly/cpp-sdks-private/commit/ab2b0feb50ef9f607d19c29ed2dd648f3c47b472))
+* foundation of an event processor ([#16](https://github.com/launchdarkly/cpp-sdks-private/issues/16)) ([356bde1](https://github.com/launchdarkly/cpp-sdks-private/commit/356bde11a8b2b66578cc435c019e0a549528d560))
+* generate analytic events from evaluations ([#36](https://github.com/launchdarkly/cpp-sdks-private/issues/36)) ([c62dcf6](https://github.com/launchdarkly/cpp-sdks-private/commit/c62dcf69673ef2fcae2dc2f2d143cf0b0f15d076))
+* Implement C-binding for Value type. ([#33](https://github.com/launchdarkly/cpp-sdks-private/issues/33)) ([afb943c](https://github.com/launchdarkly/cpp-sdks-private/commit/afb943cb3d8a6b214935087fdd147b74a8a38361))
+* Implement client flag data model. ([#12](https://github.com/launchdarkly/cpp-sdks-private/issues/12)) ([ce7ccbc](https://github.com/launchdarkly/cpp-sdks-private/commit/ce7ccbc7356b2c5a9a9318109041a28524e6f9d2))
+* implement Client type ([#21](https://github.com/launchdarkly/cpp-sdks-private/issues/21)) ([10265fd](https://github.com/launchdarkly/cpp-sdks-private/commit/10265fda24191172145f0f22e9f82321f2e3dc6b))
+* Implement context filtering and JSON serialization. ([#11](https://github.com/launchdarkly/cpp-sdks-private/issues/11)) ([074c691](https://github.com/launchdarkly/cpp-sdks-private/commit/074c6914165987522653e100df1b8b0911bb8565))
+* Implement data source configuration. ([#18](https://github.com/launchdarkly/cpp-sdks-private/issues/18)) ([d2cbf8e](https://github.com/launchdarkly/cpp-sdks-private/commit/d2cbf8ebd049df59742ca2d864e8449a3c4519d6))
+* implement event delivery  ([#29](https://github.com/launchdarkly/cpp-sdks-private/issues/29)) ([4de5eaa](https://github.com/launchdarkly/cpp-sdks-private/commit/4de5eaaccba0556c4990dceb501277472bab4385))
+* Implement flag manager. ([#20](https://github.com/launchdarkly/cpp-sdks-private/issues/20)) ([15199f1](https://github.com/launchdarkly/cpp-sdks-private/commit/15199f111f30b06b99f4ce642d1a614d46b629d1))
+* Implement http/https requests. ([#27](https://github.com/launchdarkly/cpp-sdks-private/issues/27)) ([853d3ff](https://github.com/launchdarkly/cpp-sdks-private/commit/853d3ff5a4148a9d3ed933d2a23dc8609c75d36b))
+* Implement logging. ([#5](https://github.com/launchdarkly/cpp-sdks-private/issues/5)) ([fadd3a0](https://github.com/launchdarkly/cpp-sdks-private/commit/fadd3a00a336a844de4e14e93ef268318571ea67))
+* Implement polling data source. ([#28](https://github.com/launchdarkly/cpp-sdks-private/issues/28)) ([7ef503b](https://github.com/launchdarkly/cpp-sdks-private/commit/7ef503bdcafcf203e63f8faf8431f0baf019c2ee))
+* Implement streaming data source. ([#17](https://github.com/launchdarkly/cpp-sdks-private/issues/17)) ([9931b96](https://github.com/launchdarkly/cpp-sdks-private/commit/9931b96f73847d5a1b4456fd4f463d43dade5c1b))
+* incomplete C bindings for client configuration ([#45](https://github.com/launchdarkly/cpp-sdks-private/issues/45)) ([219b9f8](https://github.com/launchdarkly/cpp-sdks-private/commit/219b9f836651ad794acbcf33a05cb3c13fe7418a))
+* make EvaluationReason use enums for Kind and ErrorKind ([#40](https://github.com/launchdarkly/cpp-sdks-private/issues/40)) ([c330bb8](https://github.com/launchdarkly/cpp-sdks-private/commit/c330bb89907932bb4b8076a52be60756f84810a8))
+* replace Encrypted/Plain clients with foxy library ([#39](https://github.com/launchdarkly/cpp-sdks-private/issues/39)) ([33e92df](https://github.com/launchdarkly/cpp-sdks-private/commit/33e92df2e970c607bead4a912fc737027750c8fb))
+* Support handling invalid URLs for asio requests. ([#30](https://github.com/launchdarkly/cpp-sdks-private/issues/30)) ([64b8aaf](https://github.com/launchdarkly/cpp-sdks-private/commit/64b8aafdbac07fbf2a82f1bb9fde762c63fd79e7))
+
+
+### Bug Fixes
+
+* add operator== and operator!= for Value::Array and Value::Object ([#38](https://github.com/launchdarkly/cpp-sdks-private/issues/38)) ([71759de](https://github.com/launchdarkly/cpp-sdks-private/commit/71759de48fb06b997b2e6a6c0f76c6a5d0e3f3a1))
+* make AttributeReference's SetType be a std::set ([#23](https://github.com/launchdarkly/cpp-sdks-private/issues/23)) ([e5eaf22](https://github.com/launchdarkly/cpp-sdks-private/commit/e5eaf2207dcb34b877421c02346a4c3470976d1b))
+* remove c++20 designated initializers ([#42](https://github.com/launchdarkly/cpp-sdks-private/issues/42)) ([949962a](https://github.com/launchdarkly/cpp-sdks-private/commit/949962a642938d2d5ceecc3927c65565d3fbc719))
diff --git a/libs/server-sent-events/CHANGELOG.md b/libs/server-sent-events/CHANGELOG.md
new file mode 100644
index 000000000..7f6fbb3fd
--- /dev/null
+++ b/libs/server-sent-events/CHANGELOG.md
@@ -0,0 +1,20 @@
+# Changelog
+
+## 0.0.0 (2023-05-10)
+
+
+### Features
+
+* add basic eventsource-client ([8c31b8f](https://github.com/launchdarkly/cpp-sdks-private/commit/8c31b8ff0541c41f792b0f0f6316dbc1cd930a17))
+* eventsource client ([#1](https://github.com/launchdarkly/cpp-sdks-private/issues/1)) ([ab2b0fe](https://github.com/launchdarkly/cpp-sdks-private/commit/ab2b0feb50ef9f607d19c29ed2dd648f3c47b472))
+* foundation of an event processor ([#16](https://github.com/launchdarkly/cpp-sdks-private/issues/16)) ([356bde1](https://github.com/launchdarkly/cpp-sdks-private/commit/356bde11a8b2b66578cc435c019e0a549528d560))
+* generate analytic events from evaluations ([#36](https://github.com/launchdarkly/cpp-sdks-private/issues/36)) ([c62dcf6](https://github.com/launchdarkly/cpp-sdks-private/commit/c62dcf69673ef2fcae2dc2f2d143cf0b0f15d076))
+* Implement http/https requests. ([#27](https://github.com/launchdarkly/cpp-sdks-private/issues/27)) ([853d3ff](https://github.com/launchdarkly/cpp-sdks-private/commit/853d3ff5a4148a9d3ed933d2a23dc8609c75d36b))
+* Implement streaming data source. ([#17](https://github.com/launchdarkly/cpp-sdks-private/issues/17)) ([9931b96](https://github.com/launchdarkly/cpp-sdks-private/commit/9931b96f73847d5a1b4456fd4f463d43dade5c1b))
+* replace Encrypted/Plain clients with foxy library ([#39](https://github.com/launchdarkly/cpp-sdks-private/issues/39)) ([33e92df](https://github.com/launchdarkly/cpp-sdks-private/commit/33e92df2e970c607bead4a912fc737027750c8fb))
+* update sse-contract-tests to use foxy's server_session ([#43](https://github.com/launchdarkly/cpp-sdks-private/issues/43)) ([a4f2d63](https://github.com/launchdarkly/cpp-sdks-private/commit/a4f2d63f02bcaa63c0d04ef609c4f611ccf001c6))
+
+
+### Bug Fixes
+
+* remove c++20 designated initializers ([#42](https://github.com/launchdarkly/cpp-sdks-private/issues/42)) ([949962a](https://github.com/launchdarkly/cpp-sdks-private/commit/949962a642938d2d5ceecc3927c65565d3fbc719))