Release Notes for Solace PubSub+ Messaging API for JavaRTO, Version 7.20.0.6
July 2021

Deprecation: C/JRTO/.Net API Cut-through Persistence (CTP)

Solace Cut-Through Persistence (CTP), also known as Cut-Through Messaging, is being deprecated with plans to remove this functionality from all Solace Products starting May 31, 2022.
Please verify that your organization does not use CTP by typing "show message spools stats" in the command line interface of your PubSub+ event broker and check that "messages delivered cut-through = 0". If your organization is using CTP, please contact Solace at support@solace.com.

New Features Introduced in Release 7.20.0

This section lists the new features in Solace PubSub+ Messaging API for JavaRTO, Version 7.20.0.
NameDescriptionVersion
JavaRTO - Mutable topics to allow re-use of topics for less GC
Introduced Mutable Topics which allows Topics to be reusable. A Topic can be created using a byteBuffer as opposed to a String which is immutable and therefore GC eligible.
7.20.0

Issues Resolved in Release 7.20.0

This section lists the resolved issues in Solace PubSub+ Messaging API for JavaRTO, Version 7.20.0.
None

Changed Functionality in Release 7.20.0

This section lists the changed functionality in Solace PubSub+ Messaging API for JavaRTO, Version 7.20.0.
Reference NumberDescriptionVersion
SOL-46105
The API will no longer perform Topic validation and will instead rely on the Broker to reject invalid topics. This change prevents memory allocation and garbage collection in some success paths by avoiding calls to .trim().
7.20.0

Known Issues in Release 7.20.0

This section describes known issues in Solace PubSub+ Messaging API for JavaRTO, Version 7.20.0.
None
For more details refer to the Release Notes page for the individual Solace Messaging APIs.

Supported Environments