Core:
    Fixed bug #78999 (Cycle leak when using function result as temporary).
CURL:
    Fixed bug #79033 (Curl timeout error with specific url and post).
Date:
    Fixed bug #79015 (undefined-behavior in php_date.c).
DBA:
    Fixed bug #78808 ([LMDB] MDB_MAP_FULL: Environment mapsize limit reached).
Fileinfo:
    Fixed bug #74170 (locale information change after mime_content_type).
GD:
    Fixed bug #78923 (Artifacts when convoluting image with transparency).
    Fixed bug #79067 (gdTransformAffineCopy() may use unitialized values).
    Fixed bug #79068 (gdTransformAffineCopy() changes interpolation method).
Libxml:
    Fixed bug #79029 (Use After Free's in XMLReader / XMLWriter).
Mbstring:
    Fixed bug #79037 (global buffer-overflow in `mbfl_filt_conv_big5_wchar`). (CVE-2020-7060)
OPcache:
    Fixed bug #79040 (Warning Opcode handlers are unusable due to ASLR).
Pcntl:
    Fixed bug #78402 (Converting null to string in error message is bad DX).
PDO_PgSQL:
    Fixed bug #78983 (pdo_pgsql config.w32 cannot find libpq-fe.h).
    Fixed bug #78980 (pgsqlGetNotify() overlooks dead connection).
    Fixed bug #78982 (pdo_pgsql returns dead persistent connection).
Session:
    Fixed bug #79091 (heap use-after-free in session_create_id()).
Shmop:
    Fixed bug #78538 (shmop memory leak).
Standard:
    Fixed bug #79099 (OOB read in php_strip_tags_ex). (CVE-2020-7059)
    Fixed bug #54298 (Using empty additional_headers adding extraneous CRLF).