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Bugzilla #2017381 Root Update Request

TWCA: Transition Plan for Existing Dual-Purpose Roots

ASSIGNED Taiwan-CA Inc. (TWCA)
AI Summary

Taiwan-CA Inc. (TWCA) is implementing a transition plan for its dual-purpose root certificates. Effective May 4, 2026, all new TLS certificates will be issued under the TWCA CYBER Root CA, ceasing issuance under the TWCA Global Root CA for TLS. S/MIME certificates will migrate to the TWCA Global Root CA G2 by June 2028, pending approval from the Apple Root Program. TWCA acknowledges potential validation issues and is committed to providing guidance to customers. The legacy TWCA Root Certification Authority will no longer issue new certificates after the transition.

Model: gpt-4o-mini Generated: 2026-06-13 20:53 UTC Confidence: 0.90
Chronology
  1. Transition plan for dual-purpose roots filed
  2. TLS migration completed to TWCA CYBER Root CA
  3. Scheduled removal of TWCA Root Certification Authority
  4. Target completion for S/MIME migration
Participants
Ben Wilson TWCA Team
External References
Original Bugzilla Case
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