[{"slug":"ZV-2026-1167","server_name":"ausca.com","severity":"breaking","title":"ausca.com: Field canonicalizer_version was removed from ausca_prepare_invocation input; consumers still sending it may be rejected or silently ignored.","summary":"[breaking] Field canonicalizer_version was removed from ausca_prepare_invocation input; consumers still sending it may be rejected or silently ignored.","changes":[{"kind":"input_property_removed","path":"inputSchema.properties.canonicalizer_version","tool":"ausca_prepare_invocation","before":{"const":"runx.receipt.c14n.v1"},"detail":"Field `canonicalizer_version` was removed from `ausca_prepare_invocation` input; consumers still sending it may be rejected or silently ignored.","severity":"breaking"}],"published_at":"2026-09-18T06:08:13.257Z"}]