[Git][ghc/ghc][ghc-9.0] winio: add release note

[Ben Gamari]

Ben Gamari pushed to branch ghc-9.0 at Glasgow Haskell Compiler / GHC


Commits:
b1a2c5e4 by Tamar Christina at 2020-10-16T10:21:20-04:00
winio: add release note

- - - - -


1 changed file:

- docs/users_guide/9.0.1-notes.rst


Changes:

=====================================
docs/users_guide/9.0.1-notes.rst
=====================================
@@ -45,6 +45,13 @@ Highlights
   This improves runtime but causes increased memory usage on Windows versions
   older than Win 8.1/Server 2012.
 
+* Windows: New IO Manager.
+
+  A new I/O manager (WinIO) is now available as a community technical preview which is designed to allow experimentation and
+  bootstrapping of third-party packages such as Network.   The new I/O manager is off by default and can be enabled with the
+  RTS flag ``--io-manager=native``.  Currently the I/O manager is *unoptimized* and is focused more on correctness.  There is also
+  no support for pipes and sockets.  These will be added in the next release.  `*see more* <https://www.youtube.com/watch?v=kgNh5mdZ1xw>`__.
+
 * Big-number support
 
   - GHC now relies on a new ``ghc-bignum`` package to provide Integer/Natural



View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/b1a2c5e4508d61bc0bedc13c7240b6fbf674157e

-- 
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/b1a2c5e4508d61bc0bedc13c7240b6fbf674157e
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