* Startup the CAP with the .NET Core 2.1 BackgroundService. #265
* Startup the CAP with the .NET Core 2.1 BackgroundService. (#265)
* Improved message delivery performance. #261
* Improved message delivery performance. #261
**Bug Fixed:**
**Bug Fixed:**
* Fixed PostgreSql version isolation feature bug. #256
* Fixed PostgreSql version isolation feature bug. (#256)
* Fixed SQL Server sql bug for dashboard search. #266
* Fixed SQL Server sql bug for dashboard search. (#266)
## Version 2.4.1 (2018-12-19)
## Version 2.4.1 (2018-12-19)
**Bug Fixed:**
**Bug Fixed:**
* Fixed MongoDB version isolation feature bug. (#253)
* Fixed MongoDB version isolation feature bug. (#253)
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## Version 2.4.0 (2018-12-08)
**Features:**
* Supported version options. (#220)
* Upgrade nuget package to .net core 2.2.
**Breaking Changes:**
In order to support the "version isolation" feature, we introduced a new version field in version 2.4.0 to isolate different versions of the message, so this requires some adjustments to the database table structure. You can use the following SQL to add a version field to your database CAP related table.