In MediationZone 8.3, there are the following known issues:

Version	Fixed in Version	Case ID	Internal ID	Component	Summary
8.3.0.0	8.3.1.0		MZ-37369	Passwords	Dependency for the mz.user.account.change.password.limit Property
8.3.0.0			MZ-35883	HTTP/2 Client Agent	HTTP/2 client may require fallback to HTTP
8.3.0.0	8.3.2.0		MZ-34856	RCP, Web API	Incorrect Platform Keystore Error Handling Is Broken
8.3.0.0		26077	MZ-36462 MZ-36819	UDR File Editor	Open Button Incorrectly Shows Save in UDR File Editor
8.3.0.0	8.3.3.0		MZ-38472	Workflow Bridge	Do Not Use Heartbeat Functionality if Transport is Set to TCP(netty4) in Workflow Bridge
8.3.0.0	8.3.1.0		MZ-38469	SCIM	SCIM API Returns All Access Groups
8.3.0.0	8.3.1.0		MZ-38240 (Netty), MZ-36783 (TCP IP), MZ-36787 (Workflow Bridge), MZ-36779 (Websocket), MZ-36053 (PSI)	Netty, HTTP, TCP IP, Workflow Bridge, Websocket, PSI	Known Vulnerability CVE-2019-10797 when Using Netty 3
8.3.0.1	8.3.0.2		MZ-39118	Installation	Failure during installation, upgrade, and downgrade due to Gradle known issue
8.3.0.1	8.3.1.0		~~MZ-39311~~ MZ-39215	HTTP/2 Server Agent, Open API Profile	HTTP2 Server Agent may encounter class cast exception
8.3.1.0	8.3.2.0	35411	MZ-40452	Open API Profile	Schemas that require a UDR must be named
8.3.1.0	8.3.3.0		MZ-39925	Open API Profile	OpenAPI Profile Fails to Import Profile on Windows
8.3.1.0	8.3.2.0	00033184	MZ-39930	Documentation	OpenAPI Validation Error for Type enum
8.3.1.0	8.3.3.0		MZ-40907	5G Profile	Missing <Agent> - 5G <Field> Parameters in Workflow Table and Workflow Instance Table
8.3.3.0	8.3.4.0	39011, 40350, 41464	MZ-41836	SAP CC Notification Agent	SAP CC Notification Agent TLS Feature Not Working
8.3.2.11	8.3.3.0		MZ-41647	Open API Profile	Incorrect Validation Message When Open API Profile Is Not Found In The Workflow
8.3.3.0	8.3.4.0		MZ-41875	SFTP Agents	SFTP Agents Configuration Export Unable to import into version 9 / Usage Engine Private Edition
8.3.2.11	8.3.4.0	43625	MZ-42155 MZ-37364	GTP' Agent	Transfer Response Returns to Wrong Port When Multiple Source Ports Use Same IP Address

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