diff --git a/cpl-workspace.json b/cpl-workspace.json
index 706e879e..f4c97235 100644
--- a/cpl-workspace.json
+++ b/cpl-workspace.json
@@ -42,12 +42,13 @@
       "test": "cpl run unittests",
 
       "pre-build-all": "cpl sv $ARGS; cpl spu $ARGS;",
-      "build-all": "cpl build-cli; cpl build-core; cpl build-discord; cpl build-query; cpl build-translation; cpl build-set-pip-urls; cpl build-set-version",
+      "build-all": "cpl build-cli; cpl build-core; cpl build-discord; cpl build-query; cpl build-reactive-extensions; cpl build-translation; cpl build-set-pip-urls; cpl build-set-version",
       "ba": "cpl build-all $ARGS",
       "build-cli": "echo 'Build cpl-cli'; cd ./src/cpl_cli; cpl build; cd ../../;",
       "build-core": "echo 'Build cpl-core'; cd ./src/cpl_core; cpl build; cd ../../;",
       "build-discord": "echo 'Build cpl-discord'; cd ./src/cpl_discord; cpl build; cd ../../;",
       "build-query": "echo 'Build cpl-query'; cd ./src/cpl_query; cpl build; cd ../../;",
+      "build-reactive-extensions": "echo 'Build cpl-reactive-x'; cd ./src/cpl_reactive_extensions; cpl build; cd ../../;",
       "build-translation": "echo 'Build cpl-translation'; cd ./src/cpl_translation; cpl build; cd ../../;",
       "build-set-pip-urls": "echo 'Build set-pip-urls'; cd ./tools/set_pip_urls; cpl build; cd ../../;",
       "build-set-version": "echo 'Build set-version'; cd ./tools/set_version; cpl build; cd ../../;",
@@ -59,6 +60,7 @@
       "publish-core": "echo 'Publish cpl-core'; cd ./src/cpl_core; cpl publish; cd ../../;",
       "publish-discord": "echo 'Publish cpl-discord'; cd ./src/cpl_discord; cpl publish; cd ../../;",
       "publish-query": "echo 'Publish cpl-query'; cd ./src/cpl_query; cpl publish; cd ../../;",
+      "publish-reactive-extensions": "echo 'Publish cpl-reactive-x'; cd ./src/cpl_reactive_extensions; cpl publish; cd ../../;",
       "publish-translation": "echo 'Publish cpl-translation'; cd ./src/cpl_translation; cpl publish; cd ../../;",
 
       "upload-prod-cli": "echo 'PROD Upload cpl-cli'; cpl upl-prod-cli;",
@@ -73,6 +75,9 @@
       "upload-prod-query": "echo 'PROD Upload cpl-query'; cpl upl-prod-query;",
       "upl-prod-query": "twine upload -r pip.sh-edraft.de dist/cpl-query/publish/setup/*",
 
+      "upload-prod-reactive-extensions": "echo 'PROD Upload cpl-reactive-extensions'; cpl upl-prod-query;",
+      "upl-prod-reactive-extensions": "twine upload -r pip.sh-edraft.de dist/cpl-reactive-extensions/publish/setup/*",
+
       "upload-prod-translation": "echo 'PROD Upload cpl-translation'; cpl upl-prod-translation;",
       "upl-prod-translation": "twine upload -r pip.sh-edraft.de dist/cpl-translation/publish/setup/*",
 
@@ -88,6 +93,9 @@
       "upload-exp-query": "echo 'EXP Upload cpl-query'; cpl upl-exp-query;",
       "upl-exp-query": "twine upload -r pip-exp.sh-edraft.de dist/cpl-query/publish/setup/*",
 
+      "upload-exp-reactive-extensions": "echo 'EXP Upload cpl-reactive-extensions'; cpl upl-exp-query;",
+      "upl-exp-reactive-extensions": "twine upload -r pip-exp.sh-edraft.de dist/cpl-reactive-extensions/publish/setup/*",
+
       "upload-exp-translation": "echo 'EXP Upload cpl-translation'; cpl upl-exp-translation;",
       "upl-exp-translation": "twine upload -r pip-exp.sh-edraft.de dist/cpl-translation/publish/setup/*",
 
@@ -103,6 +111,9 @@
       "upload-dev-query": "echo 'DEV Upload cpl-query'; cpl upl-dev-query;",
       "upl-dev-query": "twine upload -r pip-dev.sh-edraft.de dist/cpl-query/publish/setup/*",
 
+      "upload-dev-reactive-extensions": "echo 'DEV Upload cpl-reactive-extensions'; cpl upl-dev-query;",
+      "upl-dev-reactive-extensions": "twine upload -r pip-dev.sh-edraft.de dist/cpl-reactive-extensions/publish/setup/*",
+
       "upload-dev-translation": "echo 'DEV Upload cpl-translation'; cpl upl-dev-translation;",
       "upl-dev-translation": "twine upload -r pip-dev.sh-edraft.de dist/cpl-translation/publish/setup/*",
 
diff --git a/src/cpl_reactive_extensions/__init__.py b/src/cpl_reactive_extensions/__init__.py
index 425ab6c1..2b4c06ff 100644
--- a/src/cpl_reactive_extensions/__init__.py
+++ b/src/cpl_reactive_extensions/__init__.py
@@ -1 +1,26 @@
+# -*- coding: utf-8 -*-
+
+"""
+cpl-reactive-extensions CPL Simple ReactiveX implementation
+~~~~~~~~~~~~~~~~~~~
+
+CPL Simple ReactiveX implementation, see RxJS and RxPy for detailed implementation.
+
+:copyright: (c) 2023 sh-edraft.de
+:license: MIT, see LICENSE for more details.
+
+"""
+
+__title__ = "cpl_reactive_extensions"
+__author__ = "Sven Heidemann"
+__license__ = "MIT"
+__copyright__ = "Copyright (c) 2023 sh-edraft.de"
+__version__ = "2023.4.dev170"
+
+from collections import namedtuple
+
+
 # imports
+
+VersionInfo = namedtuple("VersionInfo", "major minor micro")
+version_info = VersionInfo(major="2023", minor="4", micro="dev170")
diff --git a/src/cpl_reactive_extensions/abc/__init__.py b/src/cpl_reactive_extensions/abc/__init__.py
index 425ab6c1..41ecc2b3 100644
--- a/src/cpl_reactive_extensions/abc/__init__.py
+++ b/src/cpl_reactive_extensions/abc/__init__.py
@@ -1 +1,26 @@
+# -*- coding: utf-8 -*-
+
+"""
+cpl-reactive-extensions CPL Simple ReactiveX implementation
+~~~~~~~~~~~~~~~~~~~
+
+CPL Simple ReactiveX implementation, see RxJS and RxPy for detailed implementation.
+
+:copyright: (c) 2023 sh-edraft.de
+:license: MIT, see LICENSE for more details.
+
+"""
+
+__title__ = "cpl_reactive_extensions.abc"
+__author__ = "Sven Heidemann"
+__license__ = "MIT"
+__copyright__ = "Copyright (c) 2023 sh-edraft.de"
+__version__ = "2023.4.dev170"
+
+from collections import namedtuple
+
+
 # imports
+
+VersionInfo = namedtuple("VersionInfo", "major minor micro")
+version_info = VersionInfo(major="2023", minor="4", micro="dev170")
diff --git a/src/cpl_reactive_extensions/cpl-reactive-extensions.json b/src/cpl_reactive_extensions/cpl-reactive-extensions.json
index bd851781..39cd9308 100644
--- a/src/cpl_reactive_extensions/cpl-reactive-extensions.json
+++ b/src/cpl_reactive_extensions/cpl-reactive-extensions.json
@@ -2,19 +2,19 @@
   "ProjectSettings": {
     "Name": "cpl-reactive-extensions",
     "Version": {
-      "Major": "0",
-      "Minor": "0",
-      "Micro": "0"
+      "Major": "2023",
+      "Minor": "4",
+      "Micro": "dev170"
     },
-    "Author": "",
-    "AuthorEmail": "",
-    "Description": "",
-    "LongDescription": "",
-    "URL": "",
-    "CopyrightDate": "",
-    "CopyrightName": "",
-    "LicenseName": "",
-    "LicenseDescription": "",
+    "Author": "Sven Heidemann",
+    "AuthorEmail": "sven.heidemann@sh-edraft.de",
+    "Description": "CPL Simple ReactiveX implementation",
+    "LongDescription": "CPL Simple ReactiveX implementation, see RxJS and RxPy for detailed implementation.",
+    "URL": "https://www.sh-edraft.de",
+    "CopyrightDate": "2023",
+    "CopyrightName": "sh-edraft.de",
+    "LicenseName": "MIT",
+    "LicenseDescription": "MIT, see LICENSE for more details.",
     "Dependencies": [
       "cpl-core>=2023.4.0"
     ],
@@ -22,17 +22,15 @@
       "cpl-cli>=2023.4.0"
     ],
     "PythonVersion": ">=3.10.4",
-    "PythonPath": {
-      "linux": ""
-    },
+    "PythonPath": {},
     "Classifiers": []
   },
   "BuildSettings": {
     "ProjectType": "library",
     "SourcePath": "",
     "OutputPath": "../../dist",
-    "Main": "cpl_reactive_extensions.main",
-    "EntryPoint": "cpl-reactive-extensions",
+    "Main": "",
+    "EntryPoint": "",
     "IncludePackageData": false,
     "Included": [],
     "Excluded": [