Hinges on

Yes. I'd use "depends," but "hinges" is possible.

"Vendor's" would be possessive.

Saying it hinges on their motives seems a little devious. I guess everybody has motives, but wouldn't it really be their actions that count?

Everybody's looking out for himself. That's a given.

Do you mean if their motives are altruistic, then things might go your way?

Thanks so much, Avangi.

Avangi"Vendor's" would be possessive.

Yes, I meat browser vendors', omitting an apostrophe. Is that still okay?

AvangiSaying it hinges on their motives seems a little devious. I guess everybody has motives, but wouldn't it really be their actions that count?

Yes, so is 'action' better than 'mo

"Browser vendors' (actions)" is okay if you're talking about multiple browser companies.

I think "actions" is better, unless you're trying to describe some really serious attitude problem they seem to have which is causing big problems for you.

Is this an internal memo or something which they might see?

If you need to be nice, you could speak of their schedule rather th

Incredible. Thanks! Avangi.
It's a kind of memo.