As far as I can tell, Apple abandoned the local Keychain a decade ago. The sole Keychain feature to which they give any love is iCloud. Managing multiple local

As far as I can tell, Apple abandoned the local Keychain a decade ago. The sole Keychain feature to which they give any love is iCloud. Managing multiple local keychain stores, in my experience, is now fraught with features that error out, and unpredictable barrages of authentication dialogs at unpredictable times. It still beats tying myself to iCloud.