Hi folks!

I am happy to announce the new formal release, 1.7.7.1, of the OpenResty bundle:

http://openresty.org/#Download

In this release, we include many important bug fixes in many
components and some small new features as usual.

One highlight of this release is that the Lua call "ngx.flush(true)"
can now work with nginx core's "limit_rate" directive and $limit_rate
variable.

Special thanks go to all our contributors and users for making this happen!

Below is the complete change log for this release, as compared to the
last formal release (1.7.4.1):

* upgraded the Nginx core to 1.7.7.

* see the changes here: http://nginx.org/en/CHANGES

* bugfix: applied a patch to the nginx core to fix the memory
invalid reads when exceeding the pre-configured limits in an
"ngx_hash_t" hash table.

* bugfix: applied a patch to the nginx core to fix a memory
invalid read regression introduced in nginx 1.7.5+'s resolver.

* ./configure: usage text: renamed "--with-luajit=PATH" to
"--with-luajit=DIR". thanks Dominic for the suggestion.

* feature: ./configure: added the default prefix value to the
usage text.

* upgraded LuaJIT to v2.1-20141128:
https://github.com/openresty/luajit2/tags

* imported Mike Pall's latest changes:

* feature: FFI: added "ffi.typeinfo()". thanks to Peter
Colberg.

* bugfix: fixed snapshot #0 handling for traces with a
stack check on entry. this bug might lead to bad
register overwrites (and eventually segmentation faults
in GC upon trace exits, at least).

* bugfix: FFI: no meta fallback when indexing pointer to
incomplete struct.

* bugfix: fixed fused constant loads under high register
pressure.

* bugfix: fixed DragonFly build (unsupported). thanks to
Robin Hahling, Alex Hornung, and Joris Giovannangeli.

* bugfix: FFI: fixed initialization of unions of subtypes.
thanks to Peter Colberg.

* bugfix: FFI: Fix for cdata vs. non-cdata arithmetic and
comparisons. thanks to Roman Tsisyk.

* optimize: eliminated hmask guard for forwarded HREFK.

* debugging: added an (expensive) assertion to check GC
objects in current stack upon trace exiting. thanks Mike
Pall. only enabled when building with "-DLUA_USE_ASSERT".

* upgraded the ngx_lua module to 0.9.13.

* optimize: reduced the pool size of a fake connection from
the default pool size (16KB) to 128B, affecting
init_worker_by_lua and ngx.timer.at.

* optimize: made fake requests share their connection pools,
affecting init_worker_by_lua and ngx.timer.at.

* feature: the error logger used by ngx.timer.at handlers now
outputs the "client: xxx, server: xxx" context info for the
original (true) request creating the timer.

* feature: added nginx configuration file names and line
numbers to the rewrite/access/content/log_by_lua directives'
Lua chunk names in order to simplify debugging.

* feature: ngx.flush(true) now returns the "timeout" and
"client aborted" errors to the Lua land for the cases that
writing to the client is timed out or the client closes the
connection prematurely, respectively.

* feature: ngx.flush(true) can now wait on delayed events due
to nginx's limit_rate config directive or $limit_rate
variable settings. thanks Shafreeck Sea for the original
patch.

* bugfix: ngx.flush(), ngx.eof(), and some other things did
not update busy/free chains after calling the output
filters.

* bugfix: ngx_gzip/ngx_gunzip module filters might cause
ngx.flush(true) to hang until timeout for nginx 1.7.7+ (and
some other old versions of nginx). thanks Maxim Dounin for
the help.

* bugfix: ngx.get_phase() did not work in the context of
init_worker_by_lua*.

* bugfix: use of ngx.flush(true) with the limit_rate config
directive or the $limit_rate variable may hang the request
forever for large volumn of output data. thanks Shafreeck
Sea for the report.

* bugfix: compilation error when PCRE is disabled in the nginx
build. thanks Ivan Cekov for the report.

* bugfix: when syslog was enabled in the error_log directive
for nginx 1.7.1+, use of init_worker_by_lua or
ngx.timer.at() would lead to segmentation faults. thanks
shun.zhang for the report.

* bugfix: fixed compilation error with nginx 1.7.5+ because
nginx 1.7.5+ changes the API in the events subsystem. thanks
Charles R. Portwood II and Mathieu Le Marec for the report.

* bugfix: ngx.req.raw_header(): buffer overflow and the
"buffer error" exception might happen for massively
pipelined downstream requests. thanks Dane Knecht for the
report.

* bugfix: ngx.req.raw_header(): we might change nginx's
internal buffer pointers, which might cause bad
side-effects.

* doc: added a new section, Cocockets Not Available
Everywhere, under the Known Issues section.

* upgraded the lua-resty-dns library to 0.14.

* feature: added support for the SPF record type specified by
RFC 4408. thanks Tom Fitzhenry for the patch.

* upgraded the lua-resty-lrucache library to 0.03.

* feature: the get() method now also returns the stale value
as the second returned value if available.

* upgraded the lua-resty-lock library to 0.04.

* bugfix: the shared dictionary would incorrectly get unref'd
for multiple times when the lock() and/or unlock() methods
are called more than once. thanks Peng Wu for the report and
Dejiang Zhu for the patch.

* upgraded the ngx_echo module to 0.57.

* bugfix: $echo_client_request_headers: buffer overflow and
the "buffer error" exception might happen for massively
pipelined downstream requests.

* bugfix: $echo_client_request_headers: we might change
nginx's internal buffer pointers, which might cause bad
side-effects.

* upgraded the ngx_drizzle module to 0.1.8.

* bugfix: fixed compilation error with nginx 1.7.5+ because
nginx 1.7.5+ changes the API in the events subsystem.

* upgraded the ngx_postgres module to 1.0rc5.

* bugfix: fixed compilation error with nginx 1.7.5+ because
nginx 1.7.5+ changes the API in the events subsystem.

* upgraded the ngx_coolkit module to 0.2rc2.

* bugfix: compilation failed when PCRE was disabled in the
nginx build.

* feature: added the "$location" variable, by Piotr Sikora.

* upgraded the ngx_set_misc module to 0.27.

* bugfix: bugfix: fixed build failure when
"--with-mail_ssl_module" is specified while
"--with-http_ssl_module" is not. thanks Xiaochen Wang for
the report.

The HTML version of the change log with lots of helpful hyper-links
can be browsed here:

http://openresty.org/#ChangeLog1007007

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

http://openresty.org/

We have run extensive testing on our Amazon EC2 test cluster and
ensured that all the components (including the Nginx core) play well
together. The latest test report can always be found here:

http://qa.openresty.org

Enjoy!
-agentzh

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