Julien Pauli (jpauli@php.net)

Ferenc Kovacs (tyrael@php.net)

__debugInfo() magic method
Support get_debug_info hook for userspace classes

Exponential operator
Exponential operator

Importing namespaced functions
Proposes to allow importing namespaced functions through a new `use function` sequence.

Constant Scalar Expressions (with constants)
This RFC proposes adding support for Constant Scalar Expressions with support for constants being operands.

Remove calls from incompatible context
Calls from incompatible context deprecated in 5.6 (will be removed in next version).

Dedicated syntax for variadic functions
This RFC introduces a dedicated syntax for variadic functions.

Argument unpacking
This RFC proposes a syntax for argument unpacking.

Internal operator overloading and GMP improvements
Add support for operator overloading in internal classes and improve GMP using it

phpdbg
Distribute phpdbg with PHP, a PHP debugger

Slim POST data
Use a temp PHP stream for HTTP payload.

Crypt() function salt
This RFC proposes changing crypt() function's salt parameter treatment.

Apparmor change_hat functionality for php-fpm
Proposes to add the possibility to change to a different hat under the apparmor LSM

TLS Peer Verification
Enable peer verification by default for encrypted client streams.

Improved TLS Defaults
Implement more secure defaults for encrypted stream transfers

Default character encoding
Default character encoding handling in PHP.

64 bit format codes for pack() and unpack()
Adds format codes for converting 64 bit integers to and from binary strings.

Timing attack safe string comparison function
New function to perform time-constant string comparison (Created 2013/12/22)

Make sure that we don't have unintentional BC breaks, and every change is mentioned in the appropriate place (NEWS/UPGRADING/etc.).

Work together with the documentation team, so the docs are already up to date when the final 5.6.0 is released.

Make sure that the credits are up-to-date(ext/standard/credits.c, ext/standard/credits_ext.h, ext/standard/credits_sapi.h).

Engine changes should be reported to Zend team for OPCache patching if needed (ping dmitry/laruence).

Merge UTF-8 IO support for Windows patch (this is still not done, I think this should wait for the next version)

Sort out the unserialize issue(provide an upgrade path for phpunit and co.).

Update to latest sqlite3 (3.8.0.2+)