# 05-10-2021 (v9.4.4-b12-00)

### Mailbox Reader

* New enhanced framework for Mailbox Reader.
* Improved stability and performance for Mailbox Reader.
* Enhanced troubleshooting for Mailbox Reader.
* Added more granularity to the end user via Mailbox Reader Interface.
* Improved queuing for Mailbox Reader process. Reducing latency when multiple mailbox readers are running concurrently.

### Folder Replication

* Improved performance of Folder Replication.
* Better scalability so Folder Replication has reduced impact on other services in the system.

### Branding

* Improvements to preview in the Branding Admin.
* Allow favicon to be updated in Branding Admin.
* Easier access to new admin areas of the system.
* Branding enabled for the Control Panel.

### Failover, Backup and Recovery

* Faster recovery of components of the system in an outage
* Allow single / multiple tenant migration between systems
* Component based back up to allow for incremental recovery of corrupt components.
* Data Recovery Functionality will allow for full system upgrades as required.

### React Interface

* Allow users to 'Switch Identity' in React UI.
* Allow Search via Secondary Email Addresses in React UI.

### Outlook Task Pane Add-in

* Added support for IE11 in the Outlook Task Pane Add-in.
* Added support for searching by Sent Emails (and attachments) in the Outlook Task Pane Add-in.
* Improved performance in opening emails via the in the Outlook Task Pane Add-in.

### Fixed

* Fixed a timeout issue in Outlook Task Pane added to reduce blank screen bug.
* The system now handles multiple secondary email addresses better.
* Fixed an issue with Mailbox Reader set up via on-boarding.
* Enhancement to EWS email restore function to improve stability.
* Fixed an issue were Email download could fail if file name is too long.
* Fixed Long priv / admin username could overlap on the UI.
* Fixed an issue were saving a search without name would disappear from UI.
* Style bug fixes for font and logos in control panel validation.
* Web enabled folder enhancement to reduce errors from occurring on launch.
* Fixed an issue were the React UI failed to download for some users and showing 'bad request'.
* Fixed an issue were Usage summary failed if tenant had special characters.
* Fixed an issue were a Delegated access user could sometimes see emails outside of the designated time period.
* Skip attachment de-duplication for attachments which cant be deduplicated.