‘dev’ postfix - e.g. ‘0.53dev’‘0.53dev.2006101212345’‘0.54‘) and in the branch we append ‘rc0’ ⇒ 0.53rc0.‘0.53’ and ship it to Mozilla. Once Mozilla publishes our version, we change it to ‘0.53.1rc1’ in the branch, for the eventual bug-fix release of the current version.