diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2bda65c39f8f..b5f8620c16df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -306,7 +306,7 @@ jobs:
           # We decided to exclude all external HTTP requests but the ones that under the domain greatexpectations.io
           # The reason is to avoid having network errors such as pages that throw 429 after too many requests (like Github)
           # and to prevent other possible errors related to user agent or lychee capturing hrefs from metadata that don't resolve to a specific page (preconnects in JS)
-          args: "--exclude='http.*' 'docs/docusaurus/build/**/*.html'"
+          args: "--exclude='http.*' --include='^https://(.+\\.)?greatexpectations\\.io/' 'docs/docusaurus/build/**/*.html'"
 
   docs-tests:
     runs-on: ubuntu-latest
diff --git a/docs/docusaurus/docs/components/_data.jsx b/docs/docusaurus/docs/components/_data.jsx
index 25843808f332..72ab9418a87a 100644
--- a/docs/docusaurus/docs/components/_data.jsx
+++ b/docs/docusaurus/docs/components/_data.jsx
@@ -1,5 +1,5 @@
 export default {
-  release_version: 'great_expectations, version 1.2.6',
+  release_version: 'great_expectations, version 1.3.0',
   min_python: '3.9',
   max_python: '3.12'
 }
diff --git a/docs/docusaurus/docs/oss/changelog.md b/docs/docusaurus/docs/oss/changelog.md
index 4998eadff9ae..67b32bb43c49 100644
--- a/docs/docusaurus/docs/oss/changelog.md
+++ b/docs/docusaurus/docs/oss/changelog.md
@@ -14,6 +14,39 @@ When we deprecate our public APIs, we will
 
 Before we completely remove the functionality in a new major release, there will be at least one minor release that contains the deprecation so that you can smoothly transition to the new API.
 
+### 1.3.0
+* [BUGFIX] Handle expectation description from cloud ([#10768](https://github.com/great-expectations/great_expectations/pull/10768))
+* [BUGFIX] Renderer for UnexpectedRowsExpectation ([#10758](https://github.com/great-expectations/great_expectations/pull/10758))
+* [BUGFIX] Fix format of UnexpectedRowsExpectation observed_value to be int ([#10777](https://github.com/great-expectations/great_expectations/pull/10777))
+* [BUGFIX] Metric table.column_type should properly evaluate for snowflake ([#10776](https://github.com/great-expectations/great_expectations/pull/10776))
+* [BUGFIX] Fix expectation description rendering in DataDocs ([#10789](https://github.com/great-expectations/great_expectations/pull/10789))
+* [BUGFIX] `Databricks` Fix Type Translation - `ExpectColumnValuesToBeInTypeList` and `ExpectColumnValuesToBeInType` ([#10791](https://github.com/great-expectations/great_expectations/pull/10791))
+* [BUGFIX] Metric `table.column_type` should properly evaluate for Postgres ([#10793](https://github.com/great-expectations/great_expectations/pull/10793))
+* [DOCS] Clarify Connect GX Cloud landing page ([#10761](https://github.com/great-expectations/great_expectations/pull/10761))
+* [DOCS] Remove `print(validation_results.result_url)` as it isn't supported ([#10760](https://github.com/great-expectations/great_expectations/pull/10760))
+* [DOCS] SUJ-E ([#10665](https://github.com/great-expectations/great_expectations/pull/10665))
+* [DOCS] Fix underline in links on inline code ([#10783](https://github.com/great-expectations/great_expectations/pull/10783))
+* [DOCS] Remove unnecessary escape character in Expectation for Gallery ([#10780](https://github.com/great-expectations/great_expectations/pull/10780))
+* [DOCS] Custom Actions ([#10772](https://github.com/great-expectations/great_expectations/pull/10772))
+* [DOCS] Schema change detection ([#10755](https://github.com/great-expectations/great_expectations/pull/10755))
+* [DOCS] Update public_api to include `ValidationAction` components ([#10752](https://github.com/great-expectations/great_expectations/pull/10752))
+* [MAINTENANCE] Change ci pipeline to pull_request_target with a permissions check to allow CI on forks ([#10467](https://github.com/great-expectations/great_expectations/pull/10467))
+* [MAINTENANCE] Revert "[MAINTENANCE] Change ci pipeline to pull_request_target with a permissions check to allow CI on forks" ([#10773](https://github.com/great-expectations/great_expectations/pull/10773))
+* [MAINTENANCE] Minor code clean up and refactor around column type exp… ([#10764](https://github.com/great-expectations/great_expectations/pull/10764))
+* [MAINTENANCE] Diagram on how multi-datasource test setup works ([#10766](https://github.com/great-expectations/great_expectations/pull/10766))
+* [MAINTENANCE] Add `UnexpectedRowsExpectation` observed value renderer ([#10779](https://github.com/great-expectations/great_expectations/pull/10779))
+* [MAINTENANCE] Remove `docs_link_checker.py` ([#10781](https://github.com/great-expectations/great_expectations/pull/10781))
+* [MAINTENANCE] Add ENUM for Data Quality Issues, Update Core Expectations Docstrings/Schemas ([#10759](https://github.com/great-expectations/great_expectations/pull/10759))
+* [MAINTENANCE] Adding more test cases for snowflake types ([#10786](https://github.com/great-expectations/great_expectations/pull/10786))
+* [MAINTENANCE] Update `tasks.py` to remove reference to `isort` ([#10782](https://github.com/great-expectations/great_expectations/pull/10782))
+* [MAINTENANCE] Remove GX Cloud onboarding script ([#10785](https://github.com/great-expectations/great_expectations/pull/10785))
+* [MAINTENANCE] Check filepath existence when evaluating public API report ([#10754](https://github.com/great-expectations/great_expectations/pull/10754))
+* [MAINTENANCE] Add EventBridge Scheduler service to `cloud-tests` ([#10774](https://github.com/great-expectations/great_expectations/pull/10774))
+* [MAINTENANCE] Deprecate `DataContext.add_or_update_datasource` ([#10784](https://github.com/great-expectations/great_expectations/pull/10784))
+* [MAINTENANCE] Allow `CheckpointResult` and `ActionContext` to be importable from top-level checkpoint module ([#10788](https://github.com/great-expectations/great_expectations/pull/10788))
+* [MAINTENANCE] Clean up `cloud-tests` environment variables ([#10792](https://github.com/great-expectations/great_expectations/pull/10792))
+* [MAINTENANCE] Adding `databricks` compatibility types ([#10787](https://github.com/great-expectations/great_expectations/pull/10787))
+
 ### 1.2.6
 * [BUGFIX] Enable custom actions in V1 ([#10743](https://github.com/great-expectations/great_expectations/pull/10743))
 * [BUGFIX] Fix like pattern expectations to work without optional SQL deps ([#10745](https://github.com/great-expectations/great_expectations/pull/10745))
diff --git a/docs/docusaurus/docusaurus.config.js b/docs/docusaurus/docusaurus.config.js
index c6869fdb029e..49e1732e1396 100644
--- a/docs/docusaurus/docusaurus.config.js
+++ b/docs/docusaurus/docusaurus.config.js
@@ -299,7 +299,7 @@ module.exports = {
           lastVersion: 'current',
           versions: {
             current: {
-              label: '1.2.6',
+              label: '1.3.0',
             },
             ['0.18']: {
               label: '0.18.21',
diff --git a/great_expectations/deployment_version b/great_expectations/deployment_version
index 3c43790f5d82..f0bb29e76388 100644
--- a/great_expectations/deployment_version
+++ b/great_expectations/deployment_version
@@ -1 +1 @@
-1.2.6
+1.3.0
diff --git a/great_expectations/util.py b/great_expectations/util.py
index 6c533c35e887..01aa961b5d43 100644
--- a/great_expectations/util.py
+++ b/great_expectations/util.py
@@ -1164,7 +1164,7 @@ def convert_to_json_serializable(  # noqa: C901, PLR0911, PLR0912
     if isinstance(data, np.float64):
         return float(data)
 
-    if isinstance(data, (datetime.datetime, datetime.date)):
+    if isinstance(data, (datetime.datetime, datetime.date, datetime.time)):
         return data.isoformat()
 
     if isinstance(data, (np.datetime64)):
@@ -1309,7 +1309,7 @@ def ensure_json_serializable(data: Any) -> None:  # noqa: C901, PLR0911, PLR0912
         _ = [ensure_json_serializable(x) for x in data.tolist()]  # type: ignore[func-returns-value]
         return
 
-    if isinstance(data, (datetime.datetime, datetime.date)):
+    if isinstance(data, (datetime.datetime, datetime.date, datetime.time)):
         return
 
     if isinstance(data, pathlib.PurePath):
diff --git a/tests/test_convert_to_json_serializable.py b/tests/test_convert_to_json_serializable.py
index 897baba8a5b0..8c2c1a2e8519 100644
--- a/tests/test_convert_to_json_serializable.py
+++ b/tests/test_convert_to_json_serializable.py
@@ -1,9 +1,10 @@
+import datetime
 import re
 
 import numpy as np
 import pytest
 
-from great_expectations.util import convert_to_json_serializable
+from great_expectations.util import convert_to_json_serializable, ensure_json_serializable
 
 try:
     from shapely.geometry import LineString, MultiPolygon, Point, Polygon
@@ -63,3 +64,21 @@ def test_serialization_of_pattern():
     pattern_to_test = r"data_(?P<year>\d{4})-(?P<month>\d{2}).csv"
     data = re.compile(pattern_to_test)
     assert convert_to_json_serializable(data) == pattern_to_test
+
+
+@pytest.mark.unit
+@pytest.mark.parametrize(
+    "data", [pytest.param({"t": datetime.time(hour=1, minute=30, second=45)}, id="datetime.time")]
+)
+def test_convert_to_json_serializable_converts_correctly(data: dict):
+    ret = convert_to_json_serializable(data)
+    assert ret == {"t": "01:30:45"}
+
+
+@pytest.mark.unit
+@pytest.mark.parametrize(
+    "data", [pytest.param({"t": datetime.time(hour=1, minute=30, second=45)}, id="datetime.time")]
+)
+def test_ensure_json_serializable(data: dict):
+    ensure_json_serializable(data)
+    # Passes if no exception raised