Kevin Gibbons

This isn't a way _we_ encode data. It's a way for _users_ to encode data, for use in talking to other systems. Many of those systems require padding.

It is a goal of this feature to be able to talk to existing systems which speak base64, including some which require padding for base64url. I think that's an important...

Done in https://github.com/tc39/proposal-arraybuffer-base64/pull/60.

My preference would be to do path 2 but also generate additional `#dom-test-method` targets for static methods except when that would conflict with a prototype method. Generating but not linking...

`Iterator.from` is a coercion method, so its input type should be looser. We [specifically discussed that exact question](https://github.com/tc39/proposal-iterator-helpers/issues/244), including in plenary.

Possibly worth calling out that this applies to async-iterable-taking positions as well.

> (can someone tell me why the IPR form check is failing? This isn't even my first contribution 😅) `main` is currently broken, unrelated to this PR.

I don't understand this issue. The way SortIndexedProperties works is, it will first read all of the things in the array (in a fully specified way) into a list `items`,...

> It seems to me that in ECMAScript they are the same. The spec doesn't mention undefined behaviour, but the meaning of implementation-defined is such as that. Namely, the implementation...

`import.meta.hot` seems fine, honestly; it's per-module functionality. Speaking as a user I would have preferred Vite namespace their stuff (so `import.meta.vite.hot` or something), but I don't think the spec should...