Both PHP 7.4.2 RC1 and 7.3.14 RC1 has been released for testing

PHP 7.4.2RC1

- Core:
. Preloading support on Windows has been disabled. (Nikita)
. Fixed bug #79022 (class_exists returns True for classes that are not ready to be used). (Laruence)
. Fixed bug #78929 (plus signs in cookie values are converted to spaces). (Alexey Kachalin)
. Fixed bug #78973 (Destructor during CV freeing causes segfault if opline never saved). (Nikita)
. Fixed bug #78776 (Abstract method implementation from trait does not check "static"). (Nikita)
. Fixed bug #78999 (Cycle leak when using function result as temporary). (Dmitry)
. Fixed bug #79008 (General performance regression with PHP 7.4 on Windows). (cmb)
. Fixed bug #79002 (Serializing uninitialized typed properties with __sleep makes unserialize throw). (Nikita)

- CURL:
. Fixed bug #79033 (Curl timeout error with specific url and post). (cmb)
. Fixed bug #79063 (curl openssl does not respect PKG_CONFIG_PATH). (Nikita)

- Date:
. Fixed bug #79015 (undefined-behavior in php_date.c). (cmb)

- DBA:
. Fixed bug #78808 ([LMDB] MDB_MAP_FULL: Environment mapsize limit reached). (cmb)

- Exif:
. Fixed bug #79046 (NaN to int cast undefined behavior in exif). (Nikita)

- Fileinfo:
. Fixed bug #74170 (locale information change after mime_content_type). (Sergei Turchanov)

- GD:
. Fixed bug #79067 (gdTransformAffineCopy() may use unitialized values). (cmb)
. Fixed bug #79068 (gdTransformAffineCopy() changes interpolation method). (cmb)

- Libxml:
. Fixed bug #79029 (Use After Free's in XMLReader / XMLWriter). (Laruence)

- OPcache:
. Fixed bug #78961 (erroneous optimization of re-assigned $GLOBALS). (Dmitry)
. Fixed bug #78950 (Preloading trait method with static variables). (Nikita)
. Fixed bug #78903 (Conflict in RTD key for closures results in crash). (Nikita)
. Fixed bug #78986 (Opcache segfaults when inheriting ctor from immutable into mutable class). (Nikita)
. Fixed bug #79040 (Warning Opcode handlers are unusable due to ASLR). (cmb)
. Fixed bug #79055 (Typed property become unknown with OPcache file cache). (Nikita)

- Pcntl:
. Fixed bug #78402 (Converting null to string in error message is bad DX). (SATŌ Kentarō)

- PDO_PgSQL: . Fixed bug #78983 (pdo_pgsql config.w32 cannot find libpq-fe.h). (SATŌ Kentarō)
. Fixed bug #78980 (pgsqlGetNotify() overlooks dead connection). (SATŌ Kentarō)
. Fixed bug #78982 (pdo_pgsql returns dead persistent connection). (SATŌ Kentarō)

- Session:
. Fixed bug #79031 (Session unserialization problem). (Nikita)

- Shmop:
. Fixed bug #78538 (shmop memory leak). (cmb)

- Sqlite3:
. Fixed bug #79056 (sqlite does not respect PKG_CONFIG_PATH during compilation). (Nikita)

- Spl:
. Fixed bug #78976 (SplFileObject::fputcsv returns -1 on failure). (cmb)

- Standard:
. Fixed bug #79000 (Non-blocking socket stream reports EAGAIN as error). (Nikita)
. Fixed bug #54298 (Using empty additional_headers adding extraneous CRLF). (cmb)

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PHP 7.3.14RC1

- Core
. Fixed bug #78999 (Cycle leak when using function result as temporary). (Dmitry)

- CURL:
. Fixed bug #79033 (Curl timeout error with specific url and post). (cmb)

- Date:
. Fixed bug #79015 (undefined-behavior in php_date.c). (cmb)

- DBA:
. Fixed bug #78808 ([LMDB] MDB_MAP_FULL: Environment mapsize limit reached). (cmb)

- Fileinfo:
. Fixed bug #74170 (locale information change after mime_content_type). (Sergei Turchanov)

- GD:
. Fixed bug #78923 (Artifacts when convoluting image with transparency). (wilson chen)
. Fixed bug #79067 (gdTransformAffineCopy() may use unitialized values). (cmb)
. Fixed bug #79068 (gdTransformAffineCopy() changes interpolation method). (cmb)

- Libxml:
. Fixed bug #79029 (Use After Free's in XMLReader / XMLWriter). (Laruence)

- OPcache:
. Fixed bug #79040 (Warning Opcode handlers are unusable due to ASLR). (cmb)

- Pcntl:
. Fixed bug #78402 (Converting null to string in error message is bad DX). (SATŌ Kentarō)

- PDO_PgSQL:
. Fixed bug #78983 (pdo_pgsql config.w32 cannot find libpq-fe.h). (SATŌ Kentarō)
. Fixed bug #78980 (pgsqlGetNotify() overlooks dead connection). (SATŌ Kentarō)
. Fixed bug #78982 (pdo_pgsql returns dead persistent connection). (SATŌ Kentarō)

- Shmop:
. Fixed bug #78538 (shmop memory leak). (cmb)

- Standard:
. Fixed bug #54298 (Using empty additional_headers adding extraneous CRLF). (cmb)

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