diff --git a/CHANGELOG.md b/CHANGELOG.md
index 66604dbd94503ddd877af18b32b9e2189eeff376..efe1bbc0105b9882850249b90efc11230cf4edf4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # CHANGELOG
 
+## [0.3.0] - 2024-05-27
+
+### Added
+* Add Qmix & PW-OPO-BB support by @NoahDornhecker in https://github.com/BenediktBurger/snlo-helper/pull/3
+* Add license by @BenediktBurger in https://github.com/BenediktBurger/snlo-helper/pull/2
+
+### New Contributors
+* @BenediktBurger made their first contribution in https://github.com/BenediktBurger/snlo-helper/pull/2
+* @NoahDornhecker made their first contribution in https://github.com/BenediktBurger/snlo-helper/pull/3
+
+**Full Changelog**: https://github.com/BenediktBurger/snlo-helper/compare/v0.2.0...v0.3.0
+
+
 ## [0.2.0] - 2024-05-07
 
 _Completely restructured package for easier maintenance and extension._
diff --git a/README.md b/README.md
index 5634798b55ac4b3ebd96f55efc741898d87e2dad..b6214a3157ff47df6b23af5b9fea69b6e0a38144 100644
--- a/README.md
+++ b/README.md
@@ -17,8 +17,10 @@ Attention:
 
 Currently it supports the following functions (feel free to add more):
 - Ref. Ind.
+- Qmix
 - 2D-mix-LP
 - 2D-mix-SP
+- PW-OPO-BB
 - Focus