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- MINOR BREAKING BUNDLED LIBRARY CHANGE: The bundled mini-HTTP library has been refactored to eliminate its use of exceptions. This does not affect any of the core library APIs. If any users are calling into the underlying HTTP libraries directly (classes in the namespace websocketpp::http::*) they should review any error handling they do.
- MINOR BREAKING BUNDLED LIBRARY CHANGE: The websocketpp::utility::to_lower function, from the bundled utility library, has been removed. This vestigial code was not used by the library at all and throwing warnings in MSVC. Thank you fedor-strelkov and maksis for reporting and remediation ideas. #956
- Feature: WebSocket++ can now be compiled without exceptions by defining _WEBSOCKETPP_NO_EXCEPTIONS in the C++ preprocessor. All internal use of exceptions have been removed. External interfaces that throw exceptions are still avaliable and supported (except in exception free mode) but now have overloads that allow error_code based error handling.
- Compatibility: Overhauled the URI authority parsing logic to be more compliant with RFC3986. WebSocket++ is now able to detect invalid registry hosts, invalid IPv4 and IPv6 literal addresses. Dozens of additional uri tests added (thank you to the uriparser project for inspiration & test cases). URI methods that produce URI strings will now produce RFC3986 compliant URIs when IPv6 literals are involved. Thank you Jeff Davie, thorsten-klein, mstaz, and barsnick for reporting, example patches, and testing. #601 #879
- Improvement: The error handling system for the server role's async start accept loop and connection generation has been significantly improved. endpoint::get_connection now takes an output parameter ec that gives a detailed error code if connection creation fails. endpoint::start_accept now accepts a handler function as a parameter instead of an error code. This handler function allows the client program to be alerted when the async accept loop stops (for any reason, including explicit cancellation) at any time. Previously, it was only possible to tell if the initial loop start had failed, making it difficult to tell when/if the async accept loop needed to be restarted. The loop handler returns two error codes, a higher level library code and a second more specific transport level code. The old endpoint::get_connection and endpoint::start_accept functions remain for backwards compatibility but are deprecated. Thank you Oleh Derevenko for reporting. #896
- Improvement: Cancel ping timer before calling blocking pong handler. This should reduce any unnecessary expiration logic done to a timer that is going to be cancelled regardless. Thank you Oleh Derevenko for reporting. #901
- Improvement: Cancel ping timer on connection close. Once the close handeshake begins, pong responses can no longer be delivered and any outstanding pings can be assumed to have been preempted by the close. fixes #664
- Performance: Refactor to_hex utility method to reduce unecessary copying, std::string construction, and duplicated code. Add tests. Thank you Dmitry Matrokhin for reporting and the patch. #914
- Performance: Move based overload for connection::set_body for C++11 and later compilers. Thank you Matus Kysel for the patch & tests. #792
- Reliability: Add a few defensive assertions to guard against corrupted HTTP message reads. Thank you Oleh Derevenko for reporting. #899
- Compatibility: Remove use of simple template ids in constructors. This was required to compile in C++20 mode and higher. Thank you yushb0602 for reporting and jcelerier for a patch.
- Fix Regression: Correct a regression introduced in 0.8.0 that broke functionality for setting accepted socket options like TCP_NODELAY. #530 #812
- Bug: Fix null pointer deference in proxy error handling code. Thank you abitmore for reporting and stkaufer for a patch. #820 #825
- Documentation: Added language to explicitly clarify that the library license is in fact the 3-Clause BSD license. #906
- Travis/CI: Updated Travis config to use newer version of ubuntu, and use CMake based build & tests.
- SCons: Fix typo in SConstruct that prevented clang from getting the right value for CXXFLAGS. Thank you robinlinden for reporting and a patch. #878
- SCons: Improve compatibility with Python 3. Thank you Jochen Jägers and Gianfranco Costamagna for reporting and the patches. #885 #857 #1024
- SCons: Correct copy/paste error in scratch_client SConstruct file. Thank you kautsig for reporting and the patch. #893
- CMake: Fix typo in CMakeLists.txt that caused CXX_FLAGS to be improperly quoted. Removed unnecessary hardcoded dependency on libc++ for clang. Thank you kraj and leochan2009 for reporting and a patch. #614 #859
- CMake: Fix issue in CMakeLists.txt that caused boost dependencies to be seen as a single library rather than multiple. Thank you Gianfranco Costamagna for reporting and a patch. #855
- CMake: Adjust CMake config to use GNUInstallDirs to choose install directories rather than hard coding. Thank you Khem Raj for reporting and a patch. #854
- CMake: Improve support for building tests & examples on the Haiku platform Thank you Schrijvers Luc for reporting and the patch. #849

0.8.2 - 2020-04-19

- Examples: Update print_client_tls example to remove use of deprecated OpenSSL functions.
- Compatibility: Removes the use of make_shared in a number of cases where it would be incompatible with newer versions of ASIO. Thank you Stefan Floeren for the patch. #810 #814 #862 #843 #794 #808
- CMake: Update cmake installer to better handle dependencies when using g++ on MacOS. Thank you Luca Palano for reporting and a patch. #831
- CMake: Update cmake installer to use a variable for the include directory improving the ability of the install to be customized. THank you Schrijvers Luc and Gianfranco Costamanga for reporting and a patch. #842

0.8.1 - 2018-07-16 Note: This release does not change library behavior. It only corrects issues in the installer and test system.

- Test Suite: Adjust test suite to match behavior introduced in 0.8.0. Thank you Gianfranco Costamagna for reporting and a patch. #731
- CMake: Update cmake installer to only install library files globally. Thank you Gianfraco Costamanga for reporting and a patch. #732

0.8.0 - 2018-07-12

- Examples: Add print_client example. This demonstrates a minimal non-TLS client that connects to a server and prints out the messages it receives.
- Examples: Add print_client_tls example. This demonstrates a minimal TLS client, including basic support via Asio+OpenSSL for certificate chain and hostname verification.
- Feature: Add getter for all headers to the HTTP parsers. This allows a wrapping library to enumerate all headers to send upstream. Thank you Jupp Müller for reporting and an initial pull request.
- Improvement: Move the socket_init_handler to execute as a part of init_asio rather than connection pre_init. This allows setting of socket options prior to the bind/listen/accept system calls. Thank you ChristianRobl3D for reporting #530.
- Improvement: Timers in transport integration tests should only fail if their own test times out, rather than any test. #643 Thank you Alex Korotkin for reporting and a patch.
- Improvement: Preserve transport layer error codes in more cases, particularly during calls to endpoint::listen. #652 Thank you vadz for reporting and patches.
- Compatibility: Make sure the chrono library used by Boost/Asio is in sync with what the websocketpp is using. Thank you Flow86 for reporting and a patch.
- Compatibility: Update telemetry_client to use a slightly more cross platform method of sleeping. Should work on windows now. Thank you Meir Yanovich for reporting.
- Compatibility: Updated permessage-deflate support to reflect that the zlib library does not actually support a sliding window size of 256 bits. WebSocket++ will no longer negotiate 256 bit deflate windows. If the user of the library tries to request a 256 bit window a 512 bit window will be specified instead (This was the previous behavior). #596 #653 Thank you Vinnie Falco and Gianfranco Costamagna for reporting.
- Compatibility: Better error handling and logging in cases where extension requests parse correctly but negotiation fails.
- Compatibility: Removed custom handling of SSL_R_SHORT_READ error condition. This error code no longer exists in modern versions of OpenSSL and causes a build error. It wasn't being used for anything particularly important (slightly improving error reporting) and there isn't a great replacement. #599 Thank you Gianfranco Costamagna for reporting.
- Compatibility: Add missing <stdint> headers. Fixes issues with g++ 5.4.0. #638 Thank you Alex Korotkin for reporting and a patch.
- Compatibility: Remove the use of std::auto_ptr and std::binary_function from builds with C++11 or later. These features are deprecated and were removed entirely in C++17. This change allows building WebSocket++ on C++17 compilers. #592 Thank you Michal Fojtak for reporting and a patch
- Compatibility: Add 1014 close code and adds missing descriptions for codes 1012 and 1013. #589 Thank you jbwdevries and ronneke1996 for reporting and patches.
- Compatibility: Add hooks to support mingw-std-threads C++11 thread and mutex polyfill library as an alternative to Boost. #608 Thank you Peter Taylor for reporting and an initial patch.
- Compatibility: Changed the handshake connection token to 'Upgrade' from 'upgrade'. Technically this header is supposed to be processed case insensitively. In practice, there are browsers (such as Edge) that don't do this and they tend to use the uppercase value used as an example in RFC6455. Thank you Johann Bauer for reporting and a patch. #727
- Bug: Store loggers in shared pointers to avoid crashes related to connections trying to write logs entries after their respective endpoint has been deallocated. Thank you Thalhammer for reporting and Jupp Müller for the patch. #539 #501
- Bug: Change default listen backlog from 0 to socket_base::max_connections. #549. Thank you derwassi and zwelab for reporting and na1pir for providing access to hardware to debug the issue.
- Bug: Fix a crash in the accept loop when get_connection fails. #551 Thank you Walter Gray for a patch.
- Bug/Documentation: Fix incorrect example code that used websocketpp::lib::error_code instead of websocketpp::exception. Thank you heretic13 for reporting
- Bug: Fix uninitialized shared pointer in Asio transport test suite. #647 Thank you Alex Korotkin for reporting and a patch.
- Bug: Fix a thread safety issue in the permessage-deflate extension that caused message corruption when sending compressed messages from a different thread than the main I/O thread. #615 Thank you KyleNyenhuis and Pieter De Gendt for reporting and a patch.
- Bug: Fix an undefined behavior issue performing a 64 bit wide shift on a 64 bit value. #636 Thank you Gregor Jasny for reporting and a patch
- Bug: Fix some compile issues with ASIO_STANDALONE. #662 #665 Thank you chronoxor and Guillaume Egles for reporting and patches.

0.7.0 - 2016-02-22

- MINOR BREAKING SOCKET POLICY CHANGE: Asio transport socket policy method cancel_socket will now return lib::asio::error_code instead of void. Custom Asio transport socket policies will need to be updated accordingly. This does not affect anyone using the bundled socket policies.
- Feature: Basic support for the permessage-deflate extension. #344
- Feature: Allow accessing the local endpoint when using the Asio transport. This allows inspection of the address and port in cases where they are chosen by the operating system rather than the user. Thank you Andreas Weis and Muzahid Hussain for reporting and related code. #458
- Feature: Add support for subprotocols in Hybi00. Thank you Lukas Obermann for reporting and a patch. #518
- Feature: Adds tcp_pre_bind handler to Asio transport. This allows setting arbitrary socket options after the listen acceptor has been created but before the socket bind has been performed. #634 #439 Thank you Gregor Jasny for the patch.
- Improvement: Better automatic std::chrono feature detection for Visual Studio
- Improvement: Major refactoring to bundled CMake build system. CMake can now be used to build all of the examples and the test suite. Thank you Thijs Wenker for a significant portion of this code. #378, #435, #449
- Improvement: In build environments where lib::error_code and lib::asio::error_code match (such as using boost::asio with boost::system_error or standalone asio with std::system_error, transport errors are passed through natively rather than being reported as a translated pass_through error type.
- Improvement: Add a get_transport_error method to Asio transport connections to allow retrieving a machine readable native transport error.
- Improvement: Add connection::get_response, connection::get_response_code, and connection::get_response_msg methods to allow accessing additional information about the HTTP responses that WebSocket++ sends. #465 Thank you Flow86 for reporting.
- Improvement: Removes use of empty strings ("") in favor of string::clear() and string::empty(). This avoids generating unnecessary temporary objects. #468 Thank you Vladislav Yaroslavlev for reporting and a patch.
- Documentation: Adds an example demonstrating the use of external io_service
- Documentation: Adds a simple echo_client example.
- Documentation: Begins migration of the web based user manual into Doxygen.
- Bug: Fix memory leak when init_asio produces an error. #454 Thank you Mark Grimes for reporting and fixing.
- Bug: Fix crash when processing a specially crafted HTTP header. Thank you Eli Fidler for reporting, test cases, and a patch. #456
- Bug: Fix an issue where standalone Asio builds that use TLS would not compile due to lingering boost code. #448 Thank you mjsp for reporting
- Bug: Fix an issue where canceling a socket could throw an exception on some older Windows XP platforms. It now prints an appropriate set of log messages instead. Thank you Thijs Wenker for reporting and researching solutions. #460
- Bug: Fix an issue where deferred HTTP connections that start sending a very long response before their HTTP handler ends would result in a second set of HTTP headers being injected into the output. Thank you Kevin Smith for reporting and providing test case details. #443
- Bug: Fix an issue where the wrong type of strand was being created. Thank you Bastien Brunnenstein for reporting and a patch. #462
- Bug: Fix an issue where TLS includes were broken for Asio Standalone builds. Thank you giachi and Bastien Brunnenstein for reporting. #491
- Bug: Remove the use of cached read and write handlers in the Asio transport. This feature caused memory leaks when the io_service the connection was running on was abruptly stopped. There isn't a clean and safe way of using this optimization without global state and the associated locks. The locks perform worse. Thank you Xavier Gibert for reporting, test cases, and code. Fixes #490.
- Bug: Fix a heap buffer overflow when checking very short URIs. Thank you Xavier Gibert for reporting and a patch #524
- Compatibility: Fixes a number of build & config issues on Visual Studio 2015
- Compatibility: Removes non-standards compliant masking behavior. #395, #469
- Compatibility: Replace deprecated use of auto_ptr on systems where unique_ptr is available.

0.6.0 - 2015-06-02

- MINOR BREAKING TRANSPORT POLICY CHANGE: Custom transport policies will now be required to include a new method void set_uri(uri_ptr u). An implementation is not required. The stub transport policy includes an example stub method that can be added to any existing custom transport policy to fulfill this requirement. This does not affect anyone using the bundled transports or configs.
- MINOR BREAKING SOCKET POLICY CHANGE: Custom asio transport socket policies will now be required to include a new method void set_uri(uri_ptr u). Like with the transport layer, an implementation is not required. This does not affect anyone using the bundled socket policies.
- MINOR BREAKING DEPENDENCY CHANGE: When using Boost versions greater than or equal to 1.49 in C++03 mode, libboost-chrono is needed now instead of libboost-date_time. Users with C++11 compilers or using Boost versions 1.48 and earlier are not affected. Note: This change affects the bundled unit test suite.
- Feature: WebSocket++ Asio transport policy can now be used with the standalone version of Asio (1.8.0+) when a C++11 compiler and standard library are present. This means that it is possible now to use WebSocket++'s Asio transport entirely without Boost. Thank you Robert Seiler for proof of concept code that was used as a guide for this implementation. Fixes #324
- Feature: Adds a vectored/scatter-gather write handler to the iostream transport.
- Feature: Adds the ability to defer sending an HTTP response until sometime after the http_handler is run. This allows processing of long running http handlers to defer their response until it is ready without blocking the network thread. references #425
- Improvement: echo_server_tls has been update to demonstrate how to configure it for Mozilla's recommended intermediate and modern TLS security profiles.
- Improvement: endpoint::set_timer now uses a steady clock provided by boost::chrono or std::chrono where available instead of the non-monotonic system clock. Thank you breyed for reporting. fixes #241
- Improvement: Outgoing TLS connections to servers using the SNI extension to choose a certificate will now work. Thank you moozzyk for reporting. Fixes #400
- Improvement: Removes an unnecessary mutex lock in get_con_from_hdl.
- Cleanup: Asio transport policy has been refactored to remove many Boost dependencies. On C++03 compilers the boost::noncopyable dependency has been removed and the boost::date_time dependency has been replaced with the newer boost::chrono when possible. On C++11 compilers the boost::aligned_storage and boost::date_time dependencies are gone, replaced with equivalent C++11 standard library features.
- Bug: Fixes a potential dangling pointer and inconsistent error message handling in websocketpp::exception. #432 Thank you Tom Swirly for the fix.

0.5.1 - 2015-02-27

- Bug: Fixes an issue where some frame data was counted against the max header size limit, resulting in connections that included a lot of frame data immediately after the opening handshake to fail.
- Bug: Fix a typo in the name of the set method for max_http_body_size. #406 Thank you jplatte for reporting.

0.5.0 - 2015-01-22

- BREAKING UTILITY CHANGE: Deprecated methods http::parser::parse_headers, http::response::parse_complete, and http::request::parse_complete have been removed.
- Security: Disabled SSLv3 in example servers.
- Feature: Adds basic support for accessing HTTP request bodies in the http handler. #181
- Feature: Adds the ability to register a shutdown handler when using the iostream transport. This provides a clean interface for triggering the shut down of external sockets and other cleanup without hooking in to higher level WebSocket handlers.
- Feature: Adds the ability to register a write handler when using the iostream transport. This handler can be used to handle transport output in place of registering an ostream to write to.
- Feature: Adds a new logging policy that outputs to syslog. #386 Thank you Tom Hughes for submitting the initial version of this policy.
- Improvement: Message payload logging now prints text for text messages rather than binary.
- Improvement: Overhaul of handshake state machine. Should make it impossible for exceptions to bubble out of transport methods like io_service::run.
- Improvement: Overhaul of handshake error reporting. Fail handler error codes will be more detailed and precise. Adds new [fail] and [http] logging channels that log failed websocket connections and successful HTTP connections respectively. A new aggregate channel package, alevel::access_core, allows enabling connect, disconnect, fail, and http together. Successful HTTP connections will no longer trigger a fail handler.
- Improvement: Ability to terminate connection during an http handler to cleanly suppress the default outgoing HTTP response.
- Documentation: Add Sending & Receiving Messages step to chapter one of the utility_client tutorial. Update utility_client example to match.
- Cleanup: Removes unused files & STL includes. Adds required STL includes. Normalizes include order.
- Bug: Fixes a fatal state error when a handshake response is completed immediately after that handshake times out. #389
- Bug: MinGW fixes; C++11 feature detection, localtime use. #393 Thank you Schebb for reporting, code, and testing.
- Bug: Fixes an issue where websocketpp::exception::what() could return an out of scope pointer. #397 Thank you fabioang for reporting.
- Bug: Fixes an issue where endpoints were not reset properly after a call to endpoint::listen failed. #390 Thank you wyyqyl for reporting.

0.4.0 - 2014-11-04

- BREAKING API CHANGE: All WebSocket++ methods now throw an exception of type websocketpp::exception which derives from std::exception. This normalizes all exception types under the standard exception hierarchy and allows WebSocket++ exceptions to be caught in the same statement as others. The error code that was previously thrown is wrapped in the exception object and can be accessed via the websocketpp::exception::code() method.
- BREAKING API CHANGE: Custom logging policies have some new required constructors that take generic config settings rather than pointers to std::ostreams. This allows writing logging policies that do not involve the use of std::ostream. This does not affect anyone using the built in logging policies.
- BREAKING UTILITY CHANGE: websocketpp::lib::net::htonll and websocketpp::lib::net::ntohll have been prefixed with an underscore to avoid conflicts with similarly named macros in some operating systems. If you are using the WebSocket++ provided 64 bit host/network byte order functions you will need to switch to the prefixed versions.
- BREAKING UTILITY CHANGE: The signature of base64_encode has changed from websocketpp::base64_encode(unsigned char const *, unsigned int) to websocketpp::base64_encode(unsigned char const *, size_t).
- BREAKING UTILITY CHANGE: The signature of sha1::calc has changed from websocketpp::sha1::calc(void const *, int, unsigned char *) to websocketpp::sha1::calc(void const *, size_t, unsigned char *)
- Feature: Adds incomplete minimal_server and minimal_client configs that can be used to build custom configs without pulling in the dependencies of core or core_client. These configs will offer a stable base config to future-proof custom configs.
- Improvement: Core library no longer has std::iostream as a dependency. std::iostream is still required for the optional iostream logging policy and iostream transport.
- Bug: C++11 Chrono support was being incorrectly detected by the boost_config header. Thank you Max Dmitrichenko for reporting and a patch.
- Bug: use of std::put_time is now guarded by a unique flag rather than a chrono library flag. Thank you Max Dmitrichenko for reporting.
- Bug: Fixes non-thread safe use of std::localtime. #347 #383
- Compatibility: Adjust usage of std::min to be more compatible with systems that define a min(...) macro.
- Compatibility: Removes unused parameters from all library, test, and example code. This assists with those developing with -Werror and -Wunused-parameter #376
- Compatibility: Renames ntohll and htonll methods to avoid conflicts with platform specific macros. #358 #381, #382 Thank you logotype, unphased, svendjo
- Cleanup: Removes unused functions, fixes variable shadow warnings, normalizes all whitespace in library, examples, and tests to 4 spaces. #376

0.3.0 - 2014-08-10

- Feature: Adds start_perpetual and stop_perpetual methods to asio transport These may be used to replace manually managed asio::io_service::work objects
- Feature: Allow setting pong and handshake timeouts at runtime.
- Feature: Allows changing the listen backlog queue length.
- Feature: Split tcp init into pre and post init.
- Feature: Adds URI method to extract query string from URI. Thank you Banaan for code. #298
- Feature: Adds a compile time switch to asio transport config to disable certain multithreading features (some locks, asio strands)
- Feature: Adds the ability to pause reading on a connection. Paused connections will not read more data from their socket, allowing TCP flow control to work without blocking the main thread.
- Feature: Adds the ability to specify whether or not to use the SO_REUSEADDR TCP socket option. The default for this value has been changed from true to false.
- Feature: Adds the ability to specify a maximum message size.
- Feature: Adds close::status::get_string(...) method to look up a human readable string given a close code value.
- Feature: Adds connection::read_all(...) method to iostream transport as a convenience method for reading all data into the connection buffer without the end user needing to manually loop on read_some.
- Improvement: Open, close, and pong timeouts can be disabled entirely by setting their duration to 0.
- Improvement: Numerous performance improvements. Including: tuned default buffer sizes based on profiling, caching of handler binding for async reads/writes, non-malloc allocators for read/write handlers, disabling of a number of questionably useful range sanity checks in tight inner loops.
- Improvement: Cleaned up the handling of TLS related errors. TLS errors will now be reported with more detail on the info channel rather than all being tls_short_read or pass_through. In addition, many cases where a TLS short read was in fact expected are no longer classified as errors. Expected TLS short reads and quasi-expected socket shutdown related errors will no longer be reported as unclean WebSocket shutdowns to the application. Information about them will remain in the info error channel for debugging purposes.
- Improvement: start_accept and listen errors are now reported to the caller either via an exception or an ec parameter.
- Improvement: Outgoing writes are now batched for improved message throughput and reduced system call and TCP frame overhead.
- Bug: Fix some cases of calls to empty lib::function objects.
- Bug: Fix memory leak of connection objects due to cached handlers holding on to reference counted pointers. #310 Thank you otaras for reporting.
- Bug: Fix issue with const endpoint accessors (such as get_user_agent) not compiling due to non-const mutex use. #292 Thank you logofive for reporting.
- Bug: Fix handler allocation crash with multithreaded io_service.
- Bug: Fixes incorrect whitespace handling in header parsing. #301 Thank you Wolfram Schroers for reporting
- Bug: Fix a crash when parsing empty HTTP headers. Thank you Thingol for reporting.
- Bug: Fix a crash following use of the stop_listening function. Thank you Thingol for reporting.
- Bug: Fix use of variable names that shadow function parameters. The library should compile cleanly with -Wshadow now. Thank you giszo for reporting. #318
- Bug: Fix an issue where set_open_handshake_timeout was ignored by server code. Thank you Robin Rowe for reporting.
- Bug: Fix an issue where custom timeout values weren't being propagated from endpoints to new connections.
- Bug: Fix a number of memory leaks related to server connection failures. #323 #333 #334 #335 Thank you droppy and aydany for reporting and patches. reporting.
- Compatibility: Fix compile time conflict with Visual Studio's MIN/MAX macros. Thank you Robin Rowe for reporting.
- Documentation: Examples and test suite build system now defaults to clang on OS X

0.3.0-alpha4 - 2013-10-11

- HTTP requests ending normally are no longer logged as errors. Thank you Banaan for reporting. #294
- Eliminates spurious expired timers in certain error conditions. Thank you Banaan for reporting. #295
- Consolidates all bundled library licenses into the COPYING file. #294
- Updates bundled sha1 library to one with a cleaner interface and more straight-forward license. Thank you lotodore for reporting and Evgeni Golov for reviewing. #294
- Re-introduces strands to asio transport, allowing io_service thread pools to be used (with some limitations).
- Removes endpoint code that kept track of a connection list that was never used anywhere. Removes a lock and reduces connection creation/deletion complexity from O(log n) to O(1) in the number of connections.
- A number of internal changes to transport APIs
- Deprecates iostream transport readsome in favor of read_some which is more consistent with the naming of the rest of the library.
- Adds preliminary signaling to iostream transport of eof and fatal transport errors
- Updates transport code to use shared pointers rather than raw pointers to prevent asio from retaining pointers to connection methods after the connection goes out of scope. #293 Thank you otaras for reporting.
- Fixes an issue where custom headers couldn't be set for client connections Thank you Jerry Win and Wolfram Schroers for reporting.
- Fixes a compile error on visual studio when using interrupts. Thank you Javier Rey Neira for reporting this.
- Adds new 1012 and 1013 close codes per IANA registry
- Add set_remote_endpoint method to iostream transport.
- Add set_secure method to iostream transport.
- Fix typo in .gitattributes file. Thank you jstarasov for reporting this. #280
- Add missing locale include. Thank you Toninoso for reporting this. #281
- Refactors asio_transport endpoint and adds full documentation and exception free varients of all methods.
- Removes asio_transport endpoint method cancel(). Use stop_listen() instead
- Wrap internal io_service run_one() method
- Suppress error when trying to shut down a connection that was already closed

0.3.0-alpha3 - 2013-07-16

- Minor refactor to bundled sha1 library
- HTTP header comparisons are now case insensitive. #220, #275
- Refactors URI to be exception free and not use regular expressions. This eliminates the dependency on boost or C++11 regex libraries allowing native C++11 usage on GCC 4.4 and higher and significantly reduces staticly built binary sizes.
- Updates handling of Server and User-Agent headers to better handle custom settings and allow suppression of these headers for security purposes.
- Fix issue where pong timeout handler always fired. Thank you Steven Klassen for reporting this bug.
- Add ping and pong endpoint wrapper methods
- Add get_request() pass through method to connection to allow calling methods specific to the HTTP policy in use.
- Fix issue compile error with WEBSOCKETPP_STRICT_MASKING enabled and another issue where WEBSOCKETPP_STRICT_MASKING was not applied to incoming messages. Thank you Petter Norby for reporting and testing these bugs. #264
- Add additional macro guards for use with boost_config. Thank you breyed for testing and code. #261

0.3.0-alpha2 - 2013-06-09

- Fix a regression that caused servers being sent two close frames in a row to end a connection uncleanly. #259
- Fix a regression that caused spurious frames following a legitimate close frames to erroneously trigger handlers. #258
- Change default HTTP response error code when no http_handler is defined from 500/Internal Server Error to 426/Upgrade Required
- Remove timezone from logger timestamp to work around issues with the Windows implementation of strftime. Thank you breyed for testing and code. #257
- Switch integer literals to char literals to improve VCPP compatibility. Thank you breyed for testing and code. #257
- Add MSVCPP warning suppression for the bundled SHA1 library. Thank you breyed for testing and code. #257

0.3.0-alpha1 - 2013-06-09

- Initial Release