TLDR: We request the support for TextEncoder in FLEDGE bidding worklet.

We’re testing our WASM implementation of generateBid, and we found difficulties as FLEDGE worklet doesn’t support TextEncoder. This is essential as our implementation depends on Protobuf.

When we use polyfill instead of TextEncoder, the resulting bidding script is significantly slower than javascript, which is in contradict to what we observe in our simulation with TextEncoder (running under Chrome main thread).