| Changelog for gRPC | 
                                    
                        | Release | What has changed? | 
                                            
                                                    
                                | 1.76.0 | - gRPC Core 1.76.0 update | 
                                                                    
                                                    
                                | 1.76.0RC1 | - gRPC Core 1.76.0 update | 
                                                                    
                                                    
                                | 1.75.0 | - gRPC Core 1.75.0 update | 
                                                                    
                                                    
                                | 1.75.0RC1 | - gRPC Core 1.75.0 update | 
                                                                    
                                                    
                                | 1.74.0 | - gRPC Core 1.74.0 update | 
                                                                    
                                                    
                                | 1.74.0RC2 | - gRPC Core 1.74.0 update | 
                                                                    
                                                    
                                | 1.73.0 | - gRPC Core 1.73.0 update | 
                                                                    
                                                    
                                | 1.73.0RC2 | - gRPC Core 1.73.0 update | 
                                                                    
                                                    
                                | 1.72.0 | - gRPC Core 1.72.0 update | 
                                                                    
                                                    
                                | 1.72.0RC1 | - gRPC Core 1.72.0 update | 
                                                                    
                                                    
                                | 1.71.0 | - gRPC Core 1.71.0 update | 
                                                                    
                                                    
                                | 1.71.0RC2 | - gRPC Core 1.71.0 update | 
                                                                    
                                                    
                                | 1.70.0 | - gRPC Core 1.70.0 update | 
                                                                    
                                                    
                                | 1.70.0RC1 | - gRPC Core 1.70.0 update | 
                                                                    
                                                    
                                | 1.69.0 | - gRPC Core 1.69.0 update | 
                                                                    
                                                    
                                | 1.69.0RC1 | - gRPC Core 1.69.0 update | 
                                                                    
                                                    
                                | 1.68.0 | - gRPC Core 1.68.0 update | 
                                                                    
                                                    
                                | 1.68.0RC1 | - gRPC Core 1.68.0 update | 
                                                                    
                                                    
                                | 1.67.0 | - gRPC Core 1.67.0 update | 
                                                                    
                                                    
                                | 1.67.0RC1 | - gRPC Core 1.67.0 update | 
                                                                    
                                                    
                                | 1.66.0 | - gRPC Core 1.66.0 update | 
                                                                    
                                                    
                                | 1.65.5 | - gRPC Core 1.65.5 update | 
                                                                    
                                                    
                                | 1.66.0RC5 | - gRPC Core 1.66.0 update | 
                                                                    
                                                    
                                | 1.66.0RC3 | - gRPC Core 1.66.0 update | 
                                                                    
                                                    
                                | 1.65.2 | - gRPC Core 1.65.2 update | 
                                                                    
                                                    
                                | 1.65.1 | - gRPC Core 1.65.1 update | 
                                                                    
                                                    
                                | 1.65.0RC2 | - gRPC Core 1.65.0 update | 
                                                                    
                                                    
                                | 1.64.1 | - gRPC Core 1.64.1 update | 
                                                                    
                                                    
                                | 1.64.0RC2 | - gRPC Core 1.64.0 update | 
                                                                    
                                                    
                                | 1.63.0 | - gRPC Core 1.63.0 update | 
                                                                    
                                                    
                                | 1.63.0RC1 | - gRPC Core 1.63.0 update | 
                                                                    
                                                    
                                | 1.62.0 | - gRPC Core 1.62.0 update | 
                                                                    
                                                    
                                | 1.62.0RC1 | - gRPC Core 1.62.0 update | 
                                                                    
                                                    
                                | 1.61.0 | - gRPC Core 1.61.0 update | 
                                                                    
                                                    
                                | 1.61.0RC3 | - gRPC Core 1.61.0 update | 
                                                                    
                                                    
                                | 1.60.0 | - gRPC Core 1.60.0 update | 
                                                                    
                                                    
                                | 1.60.0RC1 | - gRPC Core 1.60.0 update | 
                                                                    
                                                    
                                | 1.59.1 | - gRPC Core 1.59.1 update | 
                                                                    
                                                    
                                | 1.59.0RC1 | - gRPC Core 1.59.0 update | 
                                                                    
                                                    
                                | 1.58.0 | - gRPC Core 1.58.0 update | 
                                                                    
                                                    
                                | 1.58.0RC1 | - gRPC Core 1.58.0 update | 
                                                                    
                                                    
                                | 1.57.0 | - gRPC Core 1.57.0 update | 
                                                                    
                                                    
                                | 1.56.0 | - gRPC Core 1.56.0 update | 
                                                                    
                                                    
                                | 1.56.0RC1 | - gRPC Core 1.56.0 update | 
                                                                    
                                                    
                                | 1.55.0 | - gRPC Core 1.55.0 update | 
                                                                    
                                                    
                                | 1.55.0RC1 | - gRPC Core 1.55.0 update | 
                                                                    
                                                    
                                | 1.54.0 | - gRPC Core 1.54.0 update | 
                                                                    
                                                    
                                | 1.54.0RC1 | - gRPC Core 1.54.0 update | 
                                                                    
                                                    
                                | 1.53.0 | - gRPC Core 1.53.0 update | 
                                                                    
                                                    
                                | 1.53.0RC2 | - gRPC Core 1.53.0 update | 
                                                                    
                                                    
                                | 1.53.0RC1 | - gRPC Core 1.53.0 update | 
                                                                    
                                                    
                                | 1.47.4 | - gRPC Core 1.47.4 update | 
                                                                    
                                                    
                                | 1.48.4 | - gRPC Core 1.48.4 update | 
                                                                    
                                                    
                                | 1.49.3 | - gRPC Core 1.49.3 update | 
                                                                    
                                                    
                                | 1.50.2 | - gRPC Core 1.50.2 update | 
                                                                    
                                                    
                                | 1.51.3 | - gRPC Core 1.51.3 update | 
                                                                    
                                                    
                                | 1.52.1 | - gRPC Core 1.52.1 update | 
                                                                    
                                                    
                                | 1.52.0RC1 | - gRPC Core 1.52.0 update | 
                                                                    
                                                    
                                | 1.51.1 | - gRPC Core 1.51.1 update | 
                                                                    
                                                    
                                | 1.50.0 | - gRPC Core 1.50.0 update | 
                                                                    
                                                    
                                | 1.50.0RC1 | - gRPC Core 1.50.0 update | 
                                                                    
                                                    
                                | 1.49.0 | - gRPC Core 1.49.0 update | 
                                                                    
                                                    
                                | 1.49.0RC3 | - gRPC Core 1.49.0 update | 
                                                                    
                                                    
                                | 1.48.1 | - gRPC Core 1.48.1 update | 
                                                                    
                                                    
                                | 1.48.0 | - gRPC Core 1.48.0 update | 
                                                                    
                                                    
                                | 1.48.0RC1 | - gRPC Core 1.48.0 update | 
                                                                    
                                                    
                                | 1.47.0 | - gRPC Core 1.47.0 update | 
                                                                    
                                                    
                                | 1.46.3 | - gRPC Core 1.46.3 update | 
                                                                    
                                                    
                                | 1.46.0 | - gRPC Core 1.46.0 update | 
                                                                    
                                                    
                                | 1.46.1 | - gRPC Core 1.46.1 update | 
                                                                    
                                                    
                                | 1.46.0RC2 | - gRPC Core 1.46.0 update | 
                                                                    
                                                    
                                | 1.46.0RC1 | - gRPC Core 1.46.0 update | 
                                                                    
                                                    
                                | 1.45.0 | - gRPC Core 1.45.0 update | 
                                                                    
                                                    
                                | 1.44.0 | - gRPC Core 1.44.0 update | 
                                                                    
                                                    
                                | 1.44.0RC2 | - gRPC Core 1.44.0 update | 
                                                                    
                                                    
                                | 1.43.0 | - gRPC Core 1.43.0 update | 
                                                                    
                                                    
                                | 1.43.0RC1 | - gRPC Core 1.43.0 update | 
                                                                    
                                                    
                                | 1.42.0 | - gRPC Core 1.42.0 update | 
                                                                    
                                                    
                                | 1.42.0RC1 | - gRPC Core 1.42.0 update | 
                                                                    
                                                    
                                | 1.41.0 | - gRPC Core 1.41.0 update | 
                                                                    
                                                    
                                | 1.41.0RC2 | - gRPC Core 1.41.0 update | 
                                                                    
                                                    
                                | 1.40.0 | - gRPC Core 1.40.0 update | 
                                                                    
                                                    
                                | 1.40.0RC1 | - gRPC Core 1.40.0 update | 
                                                                    
                                                    
                                | 1.39.0 | - gRPC Core 1.39.0 update | 
                                                                    
                                                    
                                | 1.39.0RC1 | - gRPC Core 1.39.0 update | 
                                                                    
                                                    
                                | 1.38.0 | - gRPC Core 1.38.0 update | 
                                                                    
                                                    
                                | 1.38.0RC1 | - gRPC Core 1.38.0 update | 
                                                                    
                                                    
                                | 1.37.1 | - gRPC Core 1.37.1 update | 
                                                                    
                                                    
                                | 1.37.0 | - gRPC Core 1.37.0 update | 
                                                                    
                                                    
                                | 1.37.0RC2 | - gRPC Core 1.37.0 update | 
                                                                    
                                                    
                                | 1.37.0RC1 | - gRPC Core 1.37.0 update | 
                                                                    
                                                    
                                | 1.36.0 | - gRPC Core 1.36.0 update - Fixed segfault on re-used call object #25245
 - Added support for PSM security #25303
 | 
                                                                    
                                                    
                                | 1.36.0RC1 | - gRPC Core 1.36.0 update - Fixed segfault on re-used call object #25245
 - Added support for PSM security #25303
 | 
                                                                    
                                                    
                                | 1.35.0 | - gRPC Core 1.35.0 update - Removed zend_hash_destroy() from postfork handler #24891
 | 
                                                                    
                                                    
                                | 1.35.0RC1 | - gRPC Core 1.35.0 update - Removed zend_hash_destroy() from postfork handler #24891
 | 
                                                                    
                                                    
                                | 1.34.0 | - gRPC Core 1.34.0 update - Removed PHP 5 support
 - Added PHP 8 support
 | 
                                                                    
                                                    
                                | 1.34.0RC2 | - gRPC Core 1.34.0 update | 
                                                                    
                                                    
                                | 1.34.0RC1 | - gRPC Core 1.34.0 update - Removed PHP 5 support
 - Added PHP 8 support
 | 
                                                                    
                                                    
                                | 1.33.1 | - gRPC Core 1.33.1 update | 
                                                                    
                                                    
                                | 1.33.0RC1 | - gRPC Core 1.33.0 update - Timeval class constructor now accepts a double value
 | 
                                                                    
                                                    
                                | 1.32.0 | - gRPC Core 1.32.0 update | 
                                                                    
                                                    
                                | 1.32.0RC1 | - gRPC Core 1.32.0 update | 
                                                                    
                                                    
                                | 1.31.1 | - Fix crash on exec() #23567 | 
                                                                    
                                                    
                                | 1.31.0 | - gRPC Core 1.31.0 update | 
                                                                    
                                                    
                                | 1.31.0RC1 | - gRPC Core 1.31.0 update | 
                                                                    
                                                    
                                | 1.30.0 | - gRPC Core 1.30.0 update - Fix crash in subprocess after fork() #22774
 | 
                                                                    
                                                    
                                | 1.30.0RC1 | - gRPC Core 1.30.0 update - Fix crash in subprocess after fork() #22774
 | 
                                                                    
                                                    
                                | 1.29.1 | - gRPC Core 1.29.1 update | 
                                                                    
                                                    
                                | 1.29.0 | - gRPC Core 1.29.0 update | 
                                                                    
                                                    
                                | 1.28.0 | - gRPC Core 1.28.0 update | 
                                                                    
                                                    
                                | 1.28.0RC2 | - gRPC Core 1.28.0 update - Fixed 1.28.0RC1 Windows build issue
 | 
                                                                    
                                                    
                                | 1.28.0RC1 | - gRPC Core 1.28.0 update | 
                                                                    
                                                    
                                | 1.27.0 | - gRPC Core 1.27.0 update | 
                                                                    
                                                    
                                | 1.27.0RC2 | - gRPC Core 1.27.0 update | 
                                                                    
                                                    
                                | 1.27.0RC1 | - gRPC Core 1.27.0 update | 
                                                                    
                                                    
                                | 1.26.0 | - gRPC Core 1.26.0 update - #20991: Added php.ini option to set custom grpc log location
 - #20987: Performance improvement to Call::startBatch()
 - #20903: Init ssl roots cert only once
 | 
                                                                    
                                                    
                                | 1.26.0RC2 | - Fix php5.5 build | 
                                                                    
                                                    
                                | 1.26.0RC1 | - gRPC Core 1.26.0 update - #20991: Added php.ini option to set custom grpc log location
 - #20987: Performance improvement to Call::startBatch()
 - #20903: Init ssl roots cert only once
 | 
                                                                    
                                                    
                                | 1.25.0 | - gRPC Core 1.25.0 update | 
                                                                    
                                                    
                                | 1.25.0RC1 | - gRPC Core 1.25.0 update | 
                                                                    
                                                    
                                | 1.23.1 | - gRPC C Core 1.23.1 update | 
                                                                    
                                                    
                                | 1.24.0 | - gRPC C Core 1.24 update | 
                                                                    
                                                    
                                | 1.24.0RC1 | - gRPC C Core 1.24 update | 
                                                                    
                                                    
                                | 1.22.1 | - #19924 C Core Http2 parser fix | 
                                                                    
                                                    
                                | 1.23.0 | - #19721 Fixed segfault in Channel constructor - #19366 Fixed unexpected warning about getenv()
 | 
                                                                    
                                                    
                                | 1.23.0RC1 | - #19721 Fixed segfault in Channel constructor - #19366 Fixed unexpected warning about getenv()
 | 
                                                                    
                                                    
                                | 1.22.0 | - gRPC C Core 1.22 update | 
                                                                    
                                                    
                                | 1.22.0RC1 | - gRPC C Core 1.22 update | 
                                                                    
                                                    
                                | 1.21.3 | - #19205 Fix ZTS build shutdown segfault | 
                                                                    
                                                    
                                | 1.21.3RC1 | - #19205 Fix ZTS build shutdown segfault | 
                                                                    
                                                    
                                | 1.21.2 | - #19181 Fix ZTS build error - #19147 Fix shutdown segfault
 | 
                                                                    
                                                    
                                | 1.21.0RC1 | - gRPC C Core 1.21 uptake | 
                                                                    
                                                    
                                | 1.20.0 | - Added memory leak tests #17862 - Fixed segfault on accessing a closed client #18302
 - Added ini settings for fork support #18539
 - Fixed fork hang #18558
 | 
                                                                    
                                                    
                                | 1.20.0RC3 | - Added memory leak tests #17862 - Fixed segfault on accessing a closed client #18302
 - Added ini settings for fork support #18539
 - Fixed fork hang #18558
 | 
                                                                    
                                                    
                                | 1.20.0RC1 | - Added memory leak tests #17862 - Fixed segfault on accessing a closed client #18302
 - Added ini settings for fork support #18539
 - Fixed fork hang #18558
 | 
                                                                    
                                                    
                                | 1.19.0 | - gRPC C Core 1.19 uptake | 
                                                                    
                                                    
                                | 1.19.0RC1 | - gRPC C Core 1.19 uptake | 
                                                                    
                                                    
                                | 1.18.0 | - gRPC C Core 1.18 uptake | 
                                                                    
                                                    
                                | 1.18.0RC1 | - gRPC C Core 1.18 uptake | 
                                                                    
                                                    
                                | 1.17.0 | - Fork support for gRPC pecl extension #17147 | 
                                                                    
                                                    
                                | 1.17.0RC3 | - Fork support for gRPC pecl extension #17147 | 
                                                                    
                                                    
                                | 1.17.0RC2 | - Fork support for gRPC pecl extension #17147 | 
                                                                    
                                                    
                                | 1.17.0RC1 | - Fork support for gRPC pecl extension #17147 | 
                                                                    
                                                    
                                | 1.16.0 | - gRPC C Core 1.16.0 Uptake | 
                                                                    
                                                    
                                | 1.15.0 | - gRPC C Core 1.15 uptake | 
                                                                    
                                                    
                                | 1.15.0RC1 | - gRPC C Core 1.15 uptake | 
                                                                    
                                                    
                                | 1.14.1 | - gRPC C Core patch release 1.14.1 uptake | 
                                                                    
                                                    
                                | 1.14.0 | - gRPC C Core 1.14 uptake | 
                                                                    
                                                    
                                | 1.14.0RC2 | - gRPC C Core 1.14 uptake | 
                                                                    
                                                    
                                | 1.13.0 | - Experimental support for client-side interceptor #13342, #15779 - Add upper bound for number of persistent channels per target #15218
 | 
                                                                    
                                                    
                                | 1.13.0RC3 | - Experimental support for client-side interceptor #13342, #15779 - Add upper bound for number of persistent channels per target #15218
 | 
                                                                    
                                                    
                                | 1.12.0 | - Persistent channel and tests related fixes: #14991, #15061, #15082, #15171 - gRPC C Core 1.12 uptake
 | 
                                                                    
                                                    
                                | 1.11.1 | - Misc C Core bug fixes | 
                                                                    
                                                    
                                | 1.11.1RC1 | - Misc C Core bug fixes | 
                                                                    
                                                    
                                | 1.12.0RC1 | - Persistent channel and tests related fixes: #14991, #15061, #15082, #15171 - gRPC C Core 1.12 uptake
 | 
                                                                    
                                                    
                                | 1.11.0 | - Compile flags optimization #14768 - Persistent channel fix #14904
 - Installation fix #14825, 14807
 - Windows build fix #14960
 - gRPC C Core 1.11 uptake
 | 
                                                                    
                                                    
                                | 1.11.0RC2 | - Compile flags optimization #14768 - Persistent channel fix #14904
 - Installation fix #14825, 14807
 - Windows build fix #14960
 - gRPC C Core 1.11 uptake
 | 
                                                                    
                                                    
                                | 1.11.0RC1 | - Compile flags optimization #14768 - Persistent channel fix #14904
 - Installation fix #14825, 14807
 - gRPC C Core 1.11 uptake
 | 
                                                                    
                                                    
                                | 1.10.1 | - Compile flags optimization #14768 - Persistent channel fix #14904
 - gRPC C Core bug fixes #14747, #14787
 | 
                                                                    
                                                    
                                | 1.10.1RC1 | - gRPC C Core bug fixes #14747, #14787 | 
                                                                    
                                                    
                                | 1.10.0 | - Memory leak fixes - gRPC C Core 1.10 uptake
 | 
                                                                    
                                                    
                                | 1.10.0RC2 | - TBD | 
                                                                    
                                                    
                                | 1.9.0 | - Updated gRPC C Core library version 1.9 - Report grpc extension version in phpinfo() #13687
 - Fixed memory leak when handling metadata array #13660
 - Fixed memory involing persistent channels #14125 - #14130
 | 
                                                                    
                                                    
                                | 1.9.0RC3 | - Updated gRPC C Core library version 1.9 - Report grpc extension version in phpinfo() #13687
 - Fixed memory leak when handling metadata array #13660
 - Fixed memory involing persistent channels #14125 - #14130
 | 
                                                                    
                                                    
                                | 1.9.0RC1 | - Updated gRPC C Core library version 1.9 - Report grpc extension version in phpinfo() #13687
 - Fixed memory leak when handling metadata array #13660
 - Fixed memory involing persistent channels #14125 - #14130
 | 
                                                                    
                                                    
                                | 1.8.5 | - Fixed a memory leak during channel creation #14017 - Fixed a memory leak with SSL cert #12706
 | 
                                                                    
                                                    
                                | 1.8.3 | - Fixed verbose log issue #13881 | 
                                                                    
                                                    
                                | 1.8.0 | - Updated gRPC C Core library version 1.8 | 
                                                                    
                                                    
                                | 1.8.0RC1 | - Updated gRPC C Core library version 1.8 | 
                                                                    
                                                    
                                | 1.7.0 | - Updated gRPC C Core library version 1.7 | 
                                                                    
                                                    
                                | 1.7.0RC1 | - Updated gRPC C Core library version 1.7 | 
                                                                    
                                                    
                                | 1.6.0 | - License changed to Apache 2.0 - Added support for php_namespace option in codegen plugin #11886
 - Updated gRPC C Core library version 1.6
 | 
                                                                    
                                                    
                                | 1.6.0RC1 | - License changed to Apache 2.0 - Added support for php_namespace option in codegen plugin #11886
 - Updated gRPC C Core library version 1.6
 | 
                                                                    
                                                    
                                | 1.4.6 | - Fixed segfault when tests were run under Travis #12123 | 
                                                                    
                                                    
                                | 1.4.6RC6 | - Fixed segfault when tests were run under Travis #12123 | 
                                                                    
                                                    
                                | 1.4.6RC5 | - Fixed segfault when tests were run under Travis #12123 | 
                                                                    
                                                    
                                | 1.4.6RC4 | - Fixed a Windows installation issue #12108 - Fixed a MacOS mutex segfault #12109
 - Fixed a ZTS compilation issue #12109
 | 
                                                                    
                                                    
                                | 1.4.6RC3 | - Fixed a Windows installation issue #12108 - Fixed a MacOS mutex segfault #12109
 - Fixed a ZTS compilation issue #12109
 | 
                                                                    
                                                    
                                | 1.4.6RC2 | - Fixed a Windows installation issue #12108 - Fixed a MacOS mutex segfault #12109
 - Fixed a ZTS compilation issue #12109
 | 
                                                                    
                                                    
                                | 1.4.6RC1 | - Fixed some segfaults when tests were run on Travis #12123 - Fixed a memory leak when setting default root certs #11632
 | 
                                                                    
                                                    
                                | 1.4.4 | - Fixed a Windows installation issue #12108 - Fixed a MacOS mutex segfault #12109
 - Fixed a ZTS compilation issue #12109
 | 
                                                                    
                                                    
                                | 1.4.3 | - Fixed hang bug when fork() was used #11814 - Channel are now by default persistent #11878
 | 
                                                                    
                                                    
                                | 1.4.1 | - gRPC C Core 1.4.1 bug fixes | 
                                                                    
                                                    
                                | 1.4.0 | - Fixed some memory leaks #9559, #10996 - Disabled cares dependency from gRPC C Core #10940
 - De-coupled protobuf dependency #11112
 - Fixed extension reported version #10842
 - Added config.w32 for Windows support #8161
 - Fixed PHP distrib test after cc files were added #11193
 - Fixed protoc plugin comment escape bug #11025
 | 
                                                                    
                                                    
                                | 1.4.0RC2 | In addition to 1.4.0RC1 - Fixed pecl windows build issue #11350
 - Fixed extension reported version #10842
 | 
                                                                    
                                                    
                                | 1.4.0RC1 | - Fixed some memory leaks #9559, #10996 - Disabled cares dependency from gRPC C Core #10940
 - De-coupled protobuf dependency #11112
 - Fixed extension reported version #10842
 - Added config.w32 for Windows support #8161
 - Fixed PHP distrib test after cc files were added #11193
 - Fixed protoc plugin comment escape bug #11025
 | 
                                                                    
                                                    
                                | 1.3.2 | - Fixed some memory leaks #9559, #10996 | 
                                                                    
                                                    
                                | 1.3.2RC1 | - Fixed some memory leaks #9559, #10996 | 
                                                                    
                                                    
                                | 1.3.1RC1 | - gRPC Core 1.3 uptake | 
                                                                    
                                                    
                                | 1.2.0 | - Added arg info macros #9751 - Updated codegen to be consistent with protobuf #9492
 | 
                                                                    
                                                    
                                | 1.2.0RC1 | - Added arg info macros #9751 - Updated codegen to be consistent with protobuf #9492
 | 
                                                                    
                                                    
                                | 1.1.0 | - PHP Proto3 adoption #8179 - Various bug fixes
 | 
                                                                    
                                                    
                                | 1.1.0RC1 | - PHP Proto3 adoption #8179 - Various bug fixes
 | 
                                                                    
                                                    
                                | 1.0.1 | - Reject metadata keys which are not legal #7881 | 
                                                                    
                                                    
                                | 1.0.1RC1 | - Reject metadata keys which are not legal #7881 | 
                                                                    
                                                    
                                | 1.0.0 | - gRPC 1.0.0 release | 
                                                                    
                                                    
                                | 1.0.0RC4 | - Fixed Ubuntu compile error #7571, #7642 | 
                                                                    
                                                    
                                | 1.0.0RC3 | - PHP7 Support continued, reduce code duplication #7543 | 
                                                                    
                                                    
                                | 1.0.0RC2 | - PHP7 Support #7464 | 
                                                                    
                                                    
                                | 1.0.0RC1 | - GA release - Fix shutdown hang problem #4017
 | 
                                                                    
                                                    
                                | 0.15.0 | - Updated functions with TSRM macros for ZTS support #6607 - Load default roots.pem via grpc_set_ssl_roots_override_callback #6848
 | 
                                                                    
                                                    
                                | 0.14.0 | - wrap grpc C core version 0.14.0 - destroy grpc_byte_buffer after startBatch #6096
 | 
                                                                    
                                                    
                                | 0.8.1 | - Increase unit test code coverage #5225 | 
                                                                    
                                                    
                                | 0.8.0 | - Simplify gRPC PHP installation #4517 - Wrap gRPC core library version 0.13
 | 
                                                                    
                                                    
                                | 0.7.0 | - Breaking change to Credentials class (removed) #3765 - Replaced by ChannelCredentials and CallCredentials class #3765
 - New plugin based metadata auth API #4394
 - Explicit ChannelCredentials::createInsecure() call
 | 
                                                                    
                                                    
                                | 0.6.1 | - fixed undefined constant fatal error when run with apache/nginx #2275 | 
                                                                    
                                                    
                                | 0.6.0 | - support per message compression disable - expose per-call host override option
 - expose connectivity API
 - expose channel target and call peer
 - add user-agent
 - update to wrap gRPC C core library beta version 0.11.0
 | 
                                                                    
                                                    
                                | 0.5.1 | Update to wrap gRPC C Core version 0.10.0 | 
                                                                    
                                                    
                                | 0.5.0 | First alpha release |