mgdm

• Streams: PHP streams have some major issues - notifications not finished, the horrid http layer (can we PLEASE use a library?), object/class integration, filters and the filter api make people cry, horrific error handling - noise for noise sake and no way to retrieve useful errors and warnings, no curl wrapper anymore, internal api for the implementation is sad
• Extensions: some pecl <-> php swaps, all internal extensions MUST have ACTIVE maintainers or get punted, some OO apis for older extensions and killing some non useful (looking at you odbc) functionality, better test coverage of extensions
• Enums: either in spl or in core, an enum object for C style enums (or enums as a zval type, either works for me) - this is highly difficult to implement in userland, in ext/core you can make it act like an int with Moar features
• Unicode: a unicode string class - yes yes ugly in some ways, but could hold a wchar_t and char * cached of utf8, always act in utf8 when used a string in the majority of PHP cases, an