See spec at https://github.com/ably/docs/pull/473 Ruby implementation at https://github.com/ably/ably-ruby/pull/165 Whilst this is technically 1.1 functionality, we can add this now so long as idempotent publishing is disabled by default.
See spec at ably/docs#473
Ruby implementation at ably/ably-ruby#165
Whilst this is technically 1.1 functionality, we can add this now so long as idempotent publishing is disabled by default.