What kind of problem? It makes web browsing stable as the internal engine is tested by Apple without third party bringing their own with updates at random moments and from web developer's perspective, they get a predictable result within iOS without effort and from those, I don't see a problem from users' perspective too.
What kind of problem? It makes web browsing stable as the internal engine is tested by Apple without third party bringing their own with updates at random moments and from web developer's perspective, they get a predictable result within iOS without effort and from those, I don't see a problem from users' perspective too.
Maybe you work for Mozilla.