We are always asked by clients what version of GoldenGate supports what version of Oracle databases ? or whether certain Oracle database version is supported by certain version of GoldenGate ?
The easy way is going to Oracle Support website -> Certifications.
Use GoldenGate Oracle GoldenGate 220.127.116.11.0 as an example, it supports Oracle database version back to 18.104.22.168.
For GoldenGate 22.214.171.124.0, it supports the following Oracle database versions: 19c,18c,126.96.36.199,188.8.131.52, 184.108.40.206 and 220.127.116.11.
For GoldenGate 18.104.22.168.0, it only supports Oracle database 21c, 19c, 22.214.171.124 and 126.96.36.199.
For GoldenGate 188.8.131.52.1, it only supports Oracle database 19c and 21c.