Hello!

After more than one week's active development, the new development
version of ngx_openresty, 1.0.15.9, is now released:

   http://openresty.org/#Download

Below is the change log for this release:

* upgraded LuaNginxModule to 0.5.0rc30.

* feature: new Lua API, ngx.sleep(), for doing non-blocking
sleep in Lua. thanks jinglong for the patch.

* feature: ngx.log() now checks if the log level number is in
the valid range (0 ~ 8). thanks Xiaoyu Chen (smallfish) for
suggesting this improvement.

* bugfix: cosocket:receiveuntil could leak memory, especially
for long pattern string arguments. this bug was caught by
Test::Nginx::Socket when setting the environment
"TEST_NGINX_CHECK_LEAK=1".

* bugfix: ngx.re.sub() could leak memory when the "replace"
template argument string is not well-formed and the "o"
regex option is also specified. this issue was caught by
Test::Nginx::Socket when setting environment
"TEST_NGINX_CHECK_LEAK=1".

* bugfix: ngx.re.gmatch leaked memory when the "o" option was
not specified. this bug was caught by Test::Nginx::Socket
when setting the environment "TEST_NGINX_CHECK_LEAK=1".

* bugfix: the Lua "_G" special table did not get cleared when
lua_code_cache is turned off. thanks Moven for reporting
this issue.

* bugfix: cosocket:connect() might hang on socket creation
errors or segfault later due to left-over state flags.

* bugfix: refactored on-demand handler registration. the old
approach rewrites to static (global) variables at
config-time, which could have potential problems with nginx
config reloading via the "HUP" signal.

* optimize: now we no longer call "ngx_http_post_request" to
wake up the request associated with the current cosocket
upstream from within the cosocket upstream event handlers,
but rather call "r->write_event_handler" directly. this
change can also make backtraces more meaningful because we
preserve the original calling stack.

* docs: massive wording improvements from the Nginx Wiki site.
thanks Dayo.

* upgraded RdsJsonNginxModule to 0.12rc10.

* bugfix: refactored on-demand handler registration. the old
approach rewrites to static (global) variables at
config-time, which could have potential problems with nginx
config reloading via the "HUP" signal.

* bugfix: the (optional) no-pool patch might leak memory. now we
have updated the no-pool patch to the latest version that is a
thorough rewrite.

* bugfix: applied poll_del_event_at_exit patch that fixed a
segmentation fault in the nginx core when the poll event type is
used:
http://mailman.nginx.org/pipermail/nginx-devel/2012-June/002328.html

* bugfix: applied the resolver_debug_log patch that fixed reads of
uninitialized memory in the nginx core:
http://mailman.nginx.org/pipermail/nginx-devel/2012-June/002281.html

Special thanks go to all our contributors and users for helping make
this happen :)

OpenResty (aka. ngx_openresty) is a full-fledged web application
server by bundling the standard Nginx core, lots of 3rd-party Nginx
modules, as well  as most of their external dependencies. See
OpenResty's homepage for more details:

  http://openresty.org/

Have fun!
-agentzh

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