While specific version numbers change frequently, recent "updated" versions of the AMS1GN IPA generally focus on:
Thus, ams1gn represents: with pharyngeal constriction and delayed nasal release. ams1gn ipa updated
This is where "ams1gn ipa updated" enters the conversation. It implies that a specific, named application (codenamed or branded as "AMS1GN") has released a new version of its IPA package. While specific version numbers change frequently