- [#1397](https://github.com/iojs/io.js/issues/1397) fix EPERM error with fs.access(W_OK) on Windows
- [#1621](https://github.com/iojs/io.js/issues/1621) build errors associated with the bundled libuv
- [#1512](https://github.com/iojs/io.js/issues/1512) should properly fix Windows termination errors
* **addons**: the `NODE_DEPRECATED` macro was causing problems when compiling addons with older compilers, this should now be resolved (Ben Noordhuis) [#1626](https://github.com/iojs/io.js/pull/1626)
* **V8**: upgrade V8 from 4.2.77.18 to 4.2.77.20 with minor fixes, including a bug preventing builds on FreeBSD
### Known issues
See https://github.com/iojs/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/iojs/io.js/issues/1264).
* Surrogate pair in REPL can freeze terminal [#690](https://github.com/iojs/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/iojs/io.js/issues/760) and fix in [#774](https://github.com/iojs/io.js/issues/774)
* Calling `dns.setServers()` while a DNS query is in progress can cause the process to crash on a failed assertion [#894](https://github.com/iojs/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/iojs/io.js/issues/1435).
* readline: split escapes are processed incorrectly, see [#1403](https://github.com/iojs/io.js/issues/1403)
* [[`bd42ba056a`](https://github.com/iojs/io.js/commit/bd42ba056a)] - **async-wrap**: set flags using functions (Trevor Norris) [#1614](https://github.com/iojs/io.js/pull/1614)
* [[`4b2c786449`](https://github.com/iojs/io.js/commit/4b2c786449)] - **async-wrap**: pass PROVIDER as first arg to init (Trevor Norris) [#1614](https://github.com/iojs/io.js/pull/1614)
* [[`6ccbe75384`](https://github.com/iojs/io.js/commit/6ccbe75384)] - **js_stream**: fix buffer index in DoWrite (Shigeki Ohtsu) [#1635](https://github.com/iojs/io.js/pull/1635)
* [[`c43855c49c`](https://github.com/iojs/io.js/commit/c43855c49c)] - **src**: export the ParseEncoding function on Windows (Ivan Kozik) [#1596](https://github.com/iojs/io.js/pull/1596)