Symfony 5.3

end of lifeno security fixes since 2022-01-01

Symfony 5.3 reached end of life 4 years ago.

Supported now: Symfony 5.4 (LTS until 2029-02-28), Symfony 6.4 (LTS until 2027-11-30), Symfony 7.4 (LTS until 2029-11-30), Symfony 8.1 (until 2027-01-31)

Facts

Released
(5 years ago)
Active support ended
(4 years ago)
Security support ended
(4 years ago)
Latest release
5.3.16, (4 years ago)
Source
endoflife.date (checked 2026-09-09)

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