Update a Version in a Bundle
POST /admin/customfield/versionBundle/{bundleName}/{versionName}
Update version
POST /rest/admin/customfield/versionBundle/{bundleName}/{versionName}?{newName}&{description}&{colorIndex}&{releaseDate}&{released}&{archived}
Sample
POST http://localhost:8081/rest/admin/customfield/versionBundle/Name%20with%20spaces/version2
Cookie: $Version=0; JSESSIONID=aovevd6psvky7i4y0bws8y2q; $Path=/; jetbrains.charisma.main.security.PRINCIPAL=NDgxMzQ5NGQxMzdlMTYzMWJiYTMwMWQ1YWNhYjZlN2JiN2FhNzRjZTExODVkNDU2NTY1ZWY1MWQ3Mzc2NzdiMjpyb290; $Path=/
newName=New version&description=New description&releaseDate=234567890&released=true&archived=false
HTTP/1.1 301 Moved Permanently
Content-Type: application/xml;charset=UTF-8
Location: https://example.com/youtrack/rest/admin/customfield/versionBundle/Name%20with%20spaces/New%20version
Content-Length: 0
Server: Jetty(7.2.0.v20101020)
Last modified: 2 February 2017