diff --git a/CHANGELOG.md b/CHANGELOG.md
index a78d1d19023..24cb2af68be 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ Semantic Versioning and the changes are simply documented in reverse chronologic
# December 2024
+## com.mbeddr.core.base
+
+### Changed
+
+- The mbeddr search tool was improved: It can now also search languages, the project and globally. It also got options for approximate searching with an error distance matching the case and searching by a regular expression. Nodes that should or should not be filter, can now be customized through the extension point `SearchNodeFilter`. The UI was also improved.
+
## com.mbeddr.mpsutil
### Fixed
@@ -18,7 +24,7 @@ Semantic Versioning and the changes are simply documented in reverse chronologic
## com.mbeddr.mpsutil
-### Feature
+### Added
- A new language `com.mbeddr.mpsutil.collections` was added that adds support for a set type `nset` that use nodes as the values of the set. Equivalence of nodes is checked structurally. The hash code calculation is done for all properties and children and the first level of references. The runtime solution also contains a more general class `EquivalenceHashSet` to implement hashsets with arbitrary `equals` and `hashcode` methods.
@@ -46,7 +52,7 @@ Semantic Versioning and the changes are simply documented in reverse chronologic
## com.mbeddr.mpsutil.interpreter
-### Feature
+### Added
- Added user defineable call back function when trace node is added to the trace tree
@@ -64,7 +70,7 @@ Semantic Versioning and the changes are simply documented in reverse chronologic
## com.mbeddr.mpsutil.checkinHandler
-### Feature
+### Added
- A new kind of Checkin handlers (background handler) now support the interface `CommitCheck` which allows more options like running the code after the commit or in the background.
diff --git a/code/languages/com.mbeddr.build/solutions/com.mbeddr.platform/models/com/mbeddr/platform/build.mps b/code/languages/com.mbeddr.build/solutions/com.mbeddr.platform/models/com/mbeddr/platform/build.mps
index 19c197b3f3b..a4d4e9d7e54 100644
--- a/code/languages/com.mbeddr.build/solutions/com.mbeddr.platform/models/com/mbeddr/platform/build.mps
+++ b/code/languages/com.mbeddr.build/solutions/com.mbeddr.platform/models/com/mbeddr/platform/build.mps
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diff --git a/code/languages/com.mbeddr.cc/languages/com.mbeddr.cc.requirements/languageModels/behavior.mps b/code/languages/com.mbeddr.cc/languages/com.mbeddr.cc.requirements/languageModels/behavior.mps
index bb3c1436b6e..9baf32068cd 100644
--- a/code/languages/com.mbeddr.cc/languages/com.mbeddr.cc.requirements/languageModels/behavior.mps
+++ b/code/languages/com.mbeddr.cc/languages/com.mbeddr.cc.requirements/languageModels/behavior.mps
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index bd58f973f38..5db2543ce70 100644
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+++ b/code/languages/com.mbeddr.core/languages/com.mbeddr.core.arrays/languageModels/behavior.mps
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index 265ed4b6de1..56a3238edc9 100644
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86441d7a-e194-42da-81a5-2161ec62a379(MPS.Workbench)
528ff3b9-5fc4-40dd-931f-c6ce3650640e(jetbrains.mps.lang.migration.runtime)
f3061a53-9226-4cc5-a443-f952ceaf5816(jetbrains.mps.baseLanguage)
+ 9e24fcdc-a232-4d24-8c95-1f525946191a(com.mbeddr.core.base.pluginSolution)
@@ -185,6 +186,7 @@
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diff --git a/code/languages/com.mbeddr.core/languages/com.mbeddr.core.base/languageModels/behavior.mps b/code/languages/com.mbeddr.core/languages/com.mbeddr.core.base/languageModels/behavior.mps
index 075f931493a..5beea8bb0ed 100644
--- a/code/languages/com.mbeddr.core/languages/com.mbeddr.core.base/languageModels/behavior.mps
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index 6feadeae48b..ccdfaa1ee31 100644
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index c36c07e1b3f..107bbd961d0 100644
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