* **https**: TLS sessions in Agent are reused (Fedor Indutny) [#2228](https://github.com/nodejs/io.js/pull/2228)
* **src**: base64 decoding is now 50% faster (Ben Noordhuis) [#2193](https://github.com/nodejs/io.js/pull/2193)
* **npm**: Upgraded to v2.13.2, release notes can be found in <https://github.com/npm/npm/releases/tag/v2.13.2> (Kat Marchán) [#2241](https://github.com/nodejs/io.js/pull/2241).
### Known issues
See https://github.com/nodejs/io.js/labels/confirmed-bug for complete and current list of known issues.
* Some problems with unreferenced timers running during `beforeExit` are still to be resolved. See [#1264](https://github.com/nodejs/io.js/issues/1264).
* Surrogate pair in REPL can freeze terminal. [#690](https://github.com/nodejs/io.js/issues/690)
* `process.send()` is not synchronous as the docs suggest, a regression introduced in 1.0.2, see [#760](https://github.com/nodejs/io.js/issues/760).
* Calling `dns.setServers()` while a DNS query is in progress can cause the process to crash on a failed assertion. [#894](https://github.com/nodejs/io.js/issues/894)
* `url.resolve` may transfer the auth portion of the url when resolving between two full hosts, see [#1435](https://github.com/nodejs/io.js/issues/1435).
* [[`fef190cea6`](https://github.com/nodejs/io.js/commit/fef190cea6)] - **deps**: make node-gyp work with io.js (cjihrig) [iojs/io.js#990](https://github.com/iojs/io.js/pull/990)
* [[`0a7bf81d2f`](https://github.com/nodejs/io.js/commit/0a7bf81d2f)] - **deps**: update V8 to 4.2.77.21 (Ali Ijaz Sheikh) [#2238](https://github.com/nodejs/io.js/issues/2238)
* [[`73cdcdd581`](https://github.com/nodejs/io.js/commit/73cdcdd581)] - **deps**: make node-gyp work with io.js (cjihrig) [iojs/io.js#990](https://github.com/iojs/io.js/pull/990)
* [[`9afee6785e`](https://github.com/nodejs/io.js/commit/9afee6785e)] - **http**: Check this.connection before using it (Sakthipriyan Vairamani) [#2172](https://github.com/nodejs/io.js/pull/2172)
* [[`c786d6341d`](https://github.com/nodejs/io.js/commit/c786d6341d)] - **test**: do not use public IPs for timeout testing (Rich Trott) [#2057](https://github.com/nodejs/io.js/pull/2057)
* [[`4e78cd71c0`](https://github.com/nodejs/io.js/commit/4e78cd71c0)] - **test**: skip IPv6 part before testing it (Sakthipriyan Vairamani) [#2226](https://github.com/nodejs/io.js/pull/2226)
* [[`68b06e94e3`](https://github.com/nodejs/io.js/commit/68b06e94e3)] - **tools**: use local or specified $NODE for test-npm (Jeremiah Senkpiel) [#1984](https://github.com/nodejs/io.js/pull/1984)
* [[`ab479659c7`](https://github.com/nodejs/io.js/commit/ab479659c7)] - **util**: delay creation of debug context (Ali Ijaz Sheikh) [#2248](https://github.com/nodejs/io.js/pull/2248)