- Issue #26939: Add the support.setswitchinterval() function to fix
test_functools hanging on the Android armv7 qemu emulator.
-Build
+
+What's New in Python 3.6.1 release candidate 1?
+===============================================
+
+*Release date: XXXX-XX-XX*
+
+Core and Builtins
+-----------------
+
+- Issue #28932: Do not include <sys/random.h> if it does not exist.
+
+- Issue #25677: Correct the positioning of the syntax error caret for
+ indented blocks. Based on patch by Michael Layzell.
+
+- Issue #29000: Fixed bytes formatting of octals with zero padding in alternate
+ form.
+
+- Issue #26919: On Android, operating system data is now always encoded/decoded
+ to/from UTF-8, instead of the locale encoding to avoid inconsistencies with
+ os.fsencode() and os.fsdecode() which are already using UTF-8.
+
+- Issue #28991: functools.lru_cache() was susceptible to an obscure reentrancy
+ bug triggerable by a monkey-patched len() function.
+
+- Issue #28739: f-string expressions are no longer accepted as docstrings and
+ by ast.literal_eval() even if they do not include expressions.
+
+- Issue #28512: Fixed setting the offset attribute of SyntaxError by
+ PyErr_SyntaxLocationEx() and PyErr_SyntaxLocationObject().
+
+- Issue #28918: Fix the cross compilation of xxlimited when Python has been
+ built with Py_DEBUG defined.
+
+- Issue #28731: Optimize _PyDict_NewPresized() to create correct size dict.
+ Improve speed of dict literal with constant keys up to 30%.
+
+Library
+-------
+
+- Issue #29085: Allow random.Random.seed() to use high quality OS randomness
+ rather than the pid and time.
+
+- Issue 28923: Remove editor artifacts from Tix.py.
+
+- Issue #29055: Neaten-up empty population error on random.choice()
+ by suppressing the upstream exception.
+
+- Issue #28871: Fixed a crash when deallocate deep ElementTree.
+
+- Issue #19542: Fix bugs in WeakValueDictionary.setdefault() and
+ WeakValueDictionary.pop() when a GC collection happens in another
+ thread.
+
+- Issue #20191: Fixed a crash in resource.prlimit() when passing a sequence that
+ doesn't own its elements as limits.
+
+- Issue #28779: multiprocessing.set_forkserver_preload() would crash the
+ forkserver process if a preloaded module instantiated some
+ multiprocessing objects such as locks.
+
+- Issue #28847: dbm.dumb now supports reading read-only files and no longer
+ writes the index file when it is not changed.
+
+- Issue #26937: The chown() method of the tarfile.TarFile class does not fail
+ now when the grp module cannot be imported, as for example on Android
+ platforms.
+
+Windows
+-------
+
++- Issue #28164: Correctly handle special console filenames (patch by Eryk Sun)
++
++- Issue #29409: Implement PEP 529 for io.FileIO (Patch by Eryk Sun)
++
+- Issue #29392: Prevent crash when passing invalid arguments into msvcrt module.
+
+- Issue #25778: winreg does not truncate string correctly (Patch by Eryk Sun)
+
+- Issue #28896: Deprecate WindowsRegistryFinder and disable it by default.
+
+Documentation
+-------------
+
+- Issue #29349: Fix Python 2 syntax in code for building the documentation.
+
+Tests
-----
-- Issue #26851: Set Android compilation and link flags.
+- Issue #28950: Disallow -j0 to be combined with -T/-l in regrtest
+ command line arguments.
-- Issue #28768: Fix implicit declaration of function _setmode. Patch by
- Masayuki Yamamoto
+- Issue #28683: Fix the tests that bind() a unix socket and raise
+ PermissionError on Android for a non-root user.
-- Issue #29080: Removes hard dependency on hg.exe from PCBuild/build.bat
+- Issue #26939: Add the support.setswitchinterval() function to fix
+ test_functools hanging on the Android armv7 qemu emulator.
-- Issue #23903: Added missed names to PC/python3.def.
+Build
+-----
- Issue #28762: lockf() is available on Android API level 24, but the F_LOCK
macro is not defined in android-ndk-r13.