Difference between Gen2 and Gen3

 Difference between Gen2 and Gen3

Gen3	Gen2
In Gen3, The activity stream has been greatly enhanced and can be viewed and downloaded from the Instances page, Instance Details page, and Errors page.	Activity stream download API and download option on the Integration dashboards page under the View menu.
The on-premises connectivity agent must use JDK 17	it was JD 8, 11 and 17
When making an API call with the REST Adapter, you encode the integration identifier with a pipe (|) symbol.	When making an API call with the REST Adapter, you encode the integration identifier with a %7c.
The system-generated instance ID that is displayed on the Instances page and in the activity stream for an integration instance has String data type.	The system-generated instance ID that is displayed on the Instances page and in the activity stream for an integration instance has Integer data type.
Basic routing integration style is Not Supported in Oracle Integration	Basic routing integration style is Supported in Oracle Integration
File transfer integration style is Not Supported in Oracle Integration	File transfer integration style is Supported in Oracle Integration
Publish To OIC and Subscribe To OIC is not supported (Events are introduced)	Publish To OIC and Subscribe To OIC is supported