Make plugin manager work on Internet Explorer 11 again (regression in 2.231).
(issue 62163)
Security hardening: Always round-trip password form control values in an encrypted form, even if not backed by an encrypted Secret field.
In case of problems, this can be disabled by setting the system property hudson.util.Secret.AUTO_ENCRYPT_PASSWORD_CONTROL to false on startup.
(issue 61808)
Security hardening: Always use a placeholder value for password form control values in item related configuration forms when the user is missing Item/Configure permission, even if not backed by an encrypted Secret field.
In case of problems, this can be disabled by setting the system property hudson.util.Secret.BLANK_NONSECRET_PASSWORD_FIELDS_WITHOUT_ITEM_CONFIGURE to false.
(issue 61808)