diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 8a3c963d..2a9a84a9 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -14,6 +14,15 @@ Change Log
 Unreleased
 ----------
 
+[8.3.0] - 2023-07-04
+--------------------
+Changed
+~~~~~~~
+* Added new XBLOCK_CREATED and XBLOCK_UPDATED events in content_authoring.
+* Added new COURSE_CREATED and COURSE_UPDATED events in content_authoring.
+* Added new CONTENT_LIBRARY_CREATED, CONTENT_LIBRARY_UPDATED and CONTENT_LIBRARY_DELETED events in content_authoring.
+* Added new LIBRARY_BLOCK_CREATED, LIBRARY_BLOCK_UPDATED and LIBRARY_BLOCK_DELETED events in content_authoring.
+
 [8.2.0] - 2023-06-08
 --------------------
 Changed
diff --git a/openedx_events/__init__.py b/openedx_events/__init__.py
index a6dcc808..5dbea635 100644
--- a/openedx_events/__init__.py
+++ b/openedx_events/__init__.py
@@ -5,4 +5,4 @@
 more information about the project.
 """
 
-__version__ = "8.2.0"
+__version__ = "8.3.0"
diff --git a/openedx_events/content_authoring/data.py b/openedx_events/content_authoring/data.py
index f9dcc872..05b1f24c 100644
--- a/openedx_events/content_authoring/data.py
+++ b/openedx_events/content_authoring/data.py
@@ -14,6 +14,18 @@
 from opaque_keys.edx.keys import CourseKey, UsageKey
 
 
+@attr.s(frozen=True)
+class CourseData:
+    """
+    Attributes defined for Open edX Course object.
+
+    Arguments:
+        course_key (str): identifier of the Course object.
+    """
+
+    course_key = attr.ib(type=CourseKey)
+
+
 @attr.s(frozen=True)
 class CourseScheduleData:
     """
diff --git a/openedx_events/content_authoring/signals.py b/openedx_events/content_authoring/signals.py
index 8421cb8b..7dad4f33 100644
--- a/openedx_events/content_authoring/signals.py
+++ b/openedx_events/content_authoring/signals.py
@@ -7,6 +7,7 @@
 They also must comply with the payload definition specified in
 docs/decisions/0003-events-payload.rst
 """
+from opaque_keys.edx.locator import LibraryLocatorV2, LibraryUsageLocatorV2
 
 from openedx_events.content_authoring.data import (
     CertificateConfigData,
@@ -14,6 +15,7 @@
     DuplicatedXBlockData,
     XBlockData,
 )
+from openedx_events.content_authoring.data import CourseData
 from openedx_events.tooling import OpenEdxPublicSignal
 
 # .. event_type: org.openedx.content_authoring.course.catalog_info.changed.v1
@@ -27,6 +29,27 @@
     }
 )
 
+# .. event_type: org.openedx.content_authoring.xblock.created.v1
+# .. event_name: XBLOCK_CREATED
+# .. event_description: Fired when an XBlock is created.
+# .. event_data: XBlockData
+XBLOCK_CREATED = OpenEdxPublicSignal(
+    event_type="org.openedx.content_authoring.xblock.created.v1",
+    data={
+        "xblock_info": XBlockData,
+    }
+)
+
+# .. event_type: org.openedx.content_authoring.xblock.updated.v1
+# .. event_name: XBLOCK_UPDATED
+# .. event_description: Fired when an XBlock is updated.
+# .. event_data: XBlockData
+XBLOCK_UPDATED = OpenEdxPublicSignal(
+    event_type="org.openedx.content_authoring.xblock.updated.v1",
+    data={
+        "xblock_info": XBlockData,
+    }
+)
 
 # .. event_type: org.openedx.content_authoring.xblock.published.v1
 # .. event_name: XBLOCK_PUBLISHED
@@ -92,3 +115,95 @@
         "certificate_config": CertificateConfigData,
     }
 )
+
+# .. event_type: org.openedx.content_authoring.course.created.v1
+# .. event_name: COURSE_CREATED
+# .. event_description: emitted when a course is created
+# .. event_data: CourseData
+COURSE_CREATED = OpenEdxPublicSignal(
+    event_type="org.openedx.content_authoring.course.created.v1",
+    data={
+        "course": CourseData,
+    }
+)
+
+# .. event_type: org.openedx.content_authoring.course.updated.v1
+# .. event_name: COURSE_UPDATED
+# .. event_description: emitted when a course is created
+# .. event_data: CourseData
+COURSE_UPDATED = OpenEdxPublicSignal(
+    event_type="org.openedx.content_authoring.course.updated.v1",
+    data={
+        "course": CourseData,
+    }
+)
+
+# .. event_type: org.openedx.content_authoring.content_library.created.v1
+# .. event_name: CONTENT_LIBRARY_CREATED
+# .. event_description: emitted when a content library is created
+# .. event_data:
+CONTENT_LIBRARY_CREATED = OpenEdxPublicSignal(
+    event_type="org.openedx.content_authoring.content_library.created.v1",
+    data={
+        "library_key": LibraryLocatorV2,
+    }
+)
+
+# .. event_type: org.openedx.content_authoring.content_library.updated.v1
+# .. event_name: CONTENT_LIBRARY_UPDATED
+# .. event_description: emitted when a content library is updated
+# .. event_data:
+CONTENT_LIBRARY_UPDATED = OpenEdxPublicSignal(
+    event_type="org.openedx.content_authoring.content_library.updated.v1",
+    data={
+        "library_key": LibraryLocatorV2,
+        "update_blocks": bool
+    }
+)
+
+# .. event_type: org.openedx.content_authoring.content_library.deleted.v1
+# .. event_name: CONTENT_LIBRARY_DELETED
+# .. event_description: emitted when a content library is deleted
+# .. event_data:
+CONTENT_LIBRARY_DELETED = OpenEdxPublicSignal(
+    event_type="org.openedx.content_authoring.content_library.deleted.v1",
+    data={
+        "library_key": LibraryLocatorV2,
+    }
+)
+
+# .. event_type: org.openedx.content_authoring.library_block.created.v1
+# .. event_name: LIBRARY_BLOCK_CREATED
+# .. event_description: emitted when a library block is created
+# .. event_data:
+LIBRARY_BLOCK_CREATED = OpenEdxPublicSignal(
+    event_type="org.openedx.content_authoring.library_block.created.v1",
+    data={
+        "library_key": LibraryLocatorV2,
+        "usage_key": LibraryUsageLocatorV2,
+    }
+)
+
+# .. event_type: org.openedx.content_authoring.library_block.updated.v1
+# .. event_name: LIBRARY_BLOCK_UPDATED
+# .. event_description: emitted when a library block is updated
+# .. event_data:
+LIBRARY_BLOCK_UPDATED = OpenEdxPublicSignal(
+    event_type="org.openedx.content_authoring.library_block.updated.v1",
+    data={
+        "library_key": LibraryLocatorV2,
+        "usage_key": LibraryUsageLocatorV2,
+    }
+)
+
+# .. event_type: org.openedx.content_authoring.library_block.deleted.v1
+# .. event_name: LIBRARY_BLOCK_DELETED
+# .. event_description: emitted when a library block is deleted
+# .. event_data:
+LIBRARY_BLOCK_DELETED = OpenEdxPublicSignal(
+    event_type="org.openedx.content_authoring.library_block.deleted.v1",
+    data={
+        "library_key": LibraryLocatorV2,
+        "usage_key": LibraryUsageLocatorV2,
+    }
+)