Apple: original Developer ID CA expires February 1, 2027

Apple warned developers that its original Developer ID Certification Authority (Sub-CA) expires on February 1, 2027. Certificates must be reissued via the G2 authority, and .pkg files signed with the old Sub-CA will fail to install after that date.

• Original Developer ID Sub-CA expires on February 1, 2027
• Certificates must be reissued via Developer ID CA (G2), valid until 2031
• .pkg files signed with the old Sub-CA will fail to install after expiry
• Xcode 11.4 or later is required to generate certificates