node:bufferdoes not work well in browser environment. e.g. though next.js will polyfill it, the polyfilled version does not have readUint8 but readUInt8 (they differ in the case) and user will get readUint8 is not a function when calling updatePriceFeed.buffer from npm is more recommended then node:buffer
Thanks for flagging this! Can you also provide where in the SDK you get this error? It will help with reproducing it so that it can be fixed. What browser/env are. you using, as well?