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On February 14, 2023, we released version 4.52.00 of the Edge for Private Cloud Feature Release.

> [!NOTE]
> For more information, see the following resources:
>
> - *[Edge for Private Cloud 4.52.00 documentation](https://docs.apigee.com/private-cloud/v4.52.00)*
> - *Questions or issues?* Contact [Apigee Edge Support](https://docs.apigee.com/api-platform/troubleshoot/support)
> - *Release notifications* : See [Get Apigee Edge release notifications](https://docs.apigee.com/release/get-release-notifications)

## Release summary

The following table summarizes the changes in this release:
[New Features](https://docs.apigee.com/release/notes/45200-edge-private-cloud-release-notes#new-features) This release includes the following new features:
○ Added support for TLS v1.3 in southbound traffic.  

For more information about this new feature, see
[New features](https://docs.apigee.com/release/notes/45200-edge-private-cloud-release-notes#new-features).
Included Releases Since the previous Edge for Private Cloud Feature Release, the following releases
have occurred and are included in this release:
○ Edge:  
[23.02.01 (SSO)](https://docs.apigee.com/release/notes/230201-apigee-edge-public-cloud-release-notes-sso)  
[22.06.27 (SSO)](https://docs.apigee.com/release/notes/220627-apigee-edge-public-cloud-release-notes-sso)  
[21.12.13 (Integrated portal SSO)](https://docs.apigee.com/release/notes/211213-apigee-edge-public-cloud-release-notes-integrated-portal-sso)  
[21.09.30 (SSO)](https://docs.apigee.com/release/notes/210930-apigee-edge-public-cloud-release-notes-sso)  
Retirements None Deprecations None [Known Issues](https://docs.apigee.com/release/notes/45200-edge-private-cloud-release-notes#known-issues) There are no known issues introduced in this release.

For more information about known issues,see
[Known issues](https://docs.apigee.com/release/notes/45200-edge-private-cloud-release-notes#known-issues).

## Upgrade paths

For instructions on upgrading to Edge for Private Cloud 4.52.00,
see [Update Apigee Edge 4.50 or 4.51.00 to 4.52.00](https://docs.apigee.com/private-cloud/v4.52.00/update-apigee-edge-45100-45200).

> [!NOTE]
> **Note:** If you installed Apigee Edge for Private Cloud on Red Hat Enterprise Linux (RHEL) 6.10, you need to first upgrade RHEL using the procedure in [Upgrading Red Hat Enterprise Linux](https://docs.apigee.com/how-to-guides/upgrade-rhel).

> [!WARNING]
> **Caution:** This release includes updates and bug fixes that may affect your API implementations.
>
> As always, we strive to introduce updates that are backwards compatible and don't break your
> code. However, it's possible that one or more updates may affect the behavior of your solution
> in places, including workarounds. Apigee recommends that you test the upgrade on a
> non-production before rolling it out to your production system.

## New features

This section lists new features in this release. Additionally, this release includes all
features in the Edge UI, Edge Management, and Portal releases listed in
[Included Releases](https://docs.apigee.com/release/notes/45200-edge-private-cloud-release-notes#included-releases).

In addition to the following enhancements, this release also contains multiple usability,
performance, security, and stability enhancements.

### Added support for TLS v1.3 in southbound traffic.

See [Configuring TLS 1.3 for southbound
traffic](https://docs.apigee.com/private-cloud/v4.52.00/southbound-tls) for more details.

## Supported software

This release includes the following changes to supported software:

| Support Added | No Longer Supported |
|---|---|
| This release adds support the following software versions: - Red Hat Enterprise Linux (RHEL) 8.1, 8.2, 8.3, 8.4, 8.5, 8.6 - Oracle Linux 8.0, 8.1, 8.2, 8.3, 8.4, 8.5, and 8.6 - Zookeeper 3.8.0 - Postgres 14 | The following software versions are no longer supported with this release: - Drupal 7 |

For a complete list of supported platforms, see
[Supported software and supported versions](https://docs.apigee.com/release/supported-software).

## Bug fixes

This section lists the Private Cloud bugs that were fixed in this release. Additionally, this
release includes all bug fixes in the Edge UI, Edge Management, and Portal releases shown in
[Included Releases](https://docs.apigee.com/release/notes/45200-edge-private-cloud-release-notes#included-releases).

> [!NOTE]
> **Note:** The bug lists are primarily for users checking to see if *their* support tickets have been fixed. They are not designed to provide detailed information for all users.

| Issue ID | Description |
|---|---|
| 193007714 | **A few properties were missing when target details of a proxy were fetched as JSON** This has been fixed. |
| 197226050 | **Removed organization and status reverse indices in token table from Cassandra** |
| 255976139 | **Made improvements in log rotate feature to ensure all logs are rotated.** See [Enable log rotation for edge-message-processor.log](https://docs.apigee.com/how-to-guides/enable-log-rotation-for-edge-message-processor-log) for more details. |
| 257446850 | **Rebuild index APIs had limitations which caused them to not function properly if the number of entities in Cassandra to be linked was greater than 10k.** This has been fixed. |
| 259277075 | **Streamlined log rotation cron of nginx access and error logs in router component. See [Enable log rotation for edge-message-processor.log](https://docs.apigee.com/how-to-guides/enable-log-rotation-for-edge-message-processor-log) for more details.** |
| 260013493 | **Added fixes to optimize loading of Open API Spec resources as part of OASValidation policy.** This will speed up message processor boot time if MP has to load many OAS resources. This will also prevent unnecessary error and warn logs from being generated during loading of proxies containing OAS resources. |
| 260714664 | **Some Cassandra tables were still using `SizeTieredCompactionStrategy` by default.** This has been changed to `LeveledCompactionStrategy`. Note that this change only applies to new installations of Edge for Private Cloud. |
| 261631942 | **Fixed a minor regression in pre install script of apigee-postgresql where, under some conditions, taking backup of config files was failing.** |

## Security issues fixed

There were no security issues fixed in this release.

## Known issues

Apigee-postgresql is having issues with upgrading from version 4.50 or 4.51 to version 4.52.
The issues mainly
occur when the number of child fact tables is greater than 500. See
[Postgresql upgrade when updating
to version 4.52](https://docs.apigee.com/release/known-issues#private-cloud-known-issues) in Known issues
with Edge for Private Cloud for a workaround.

See [Known issues with Edge for Private Cloud](https://docs.apigee.com/release/known-issues#private-cloud)
for a complete list of known issues.

## Next step

To get started with Edge for Private Cloud 4.52.00, use the following links:

**New installations:**

[New installation overview](https://docs.apigee.com/private-cloud/v4.52.00/installation-overview)

**Existing installations**

[Update Apigee Edge 4.50.00 or 4.51.00 to 4.52.00](https://docs.apigee.com/private-cloud/v4.52.00/update-apigee-edge-45100-45200).