问题 The question seems easy, but according to my research, the maven repository http://repo.maven.apache.org/maven2/org/primefaces/primefaces/ has only major releases 5.2,5.3,...,6,2 what I want exactly is to use the version 5.2.9 in order to correct the problem of the reCAPTCHA by implementing its v2, the use of the version 5.3 will have much impact on the developed application. 回答1: X.Y.Z releases are only available for paying customers as an elite release. You can then download the jar in a