GridServer 5.2.1 Hotfix7 has been released. Here are the release notes:
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Affected Components for 5.2.1_hotfix07

The following components are updated by this hotfix:

Database
Engine Daemon
Manager

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Closed Issues in 5.2.1_hotfix07 (This Release)

Database
GS-16679
Postgres is now a supported database platform.


Engine Daemon
GS-16627
A failed Engine instance shutdown should no longer cause an account lockout when using RunAs with an Active Directory account.

GS-16880
When the Engine Daemon restarts, it will no longer change the Engine Mode to Auto, but leave it as the previous configuration.


Manager
GS-16950
The thread limit of the default Manager thread pool (DefaultPool) has been raised.

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To download this hotfix, login to the Support Portal and navigate to Downloads > Hotfixes > AvailableDownloads > DataSynapse > GridServer > 5.2.1.

GridServer 5.2.1 Hotfix7 Release Announcement