Feed ids and price objects on Pyth's upgraded Core, the only deployment this SDK targets.
The testnet MarginRegistry was migrated (2026-08-11) off Pyth's beta feed ids and onto
the ids upgraded testnet Core carries, which are the mainnet-style ids — the beta ids
have no upgraded price objects and the upgraded Hermes does not serve them.
DBTC's feed is BTC/USD: the upgraded deployment carries no distinct DBTC feed.
Feed ids and price objects on Pyth's upgraded Core, the only deployment this SDK targets.
The testnet
MarginRegistrywas migrated (2026-08-11) off Pyth's beta feed ids and onto the ids upgraded testnet Core carries, which are the mainnet-style ids — the beta ids have no upgraded price objects and the upgraded Hermes does not serve them.DBTC's feed is BTC/USD: the upgraded deployment carries no distinct DBTC feed.