Symfony 3.3

End of life

3.3.18 Release notes ↗

Is Symfony 3.3 still supported?

No

Symfony 3.3 reached end of life on Jul 1, 2018 (8 years ago). It no longer gets updates, including security fixes. Upgrade to Symfony 8.1 (latest 8.1.8), supported until Jan 31, 2027.

Released
May 29, 2017
Active support ended
Jan 1, 2018
8 years ago
End of life
Jul 1, 2018
8 years ago
Latest version
3.3.18
Aug 1, 2018

Upgrade path

The recommended upgrade is Symfony 8.1, currently at 8.1.8 and supported until Jan 31, 2027.

Not sure? Run composer show | grep "symfony/"

Quick answers

Is Symfony 3.3 still supported?
No. Symfony 3.3 reached end of life on Jul 1, 2018 (8 years ago). It no longer gets updates, including security fixes. Upgrade to Symfony 8.1 (latest 8.1.8), supported until Jan 31, 2027.
When is Symfony 3.3 end of life?
Symfony 3.3 reached end of life on Jul 1, 2018. It gets no more updates, including security fixes.
What is the latest version of Symfony 3.3?
The latest Symfony 3.3 release is 3.3.18, released on Aug 1, 2018.
When was Symfony 3.3 released?
Symfony 3.3 was released on May 29, 2017.
What should I upgrade Symfony 3.3 to?
The recommended upgrade is Symfony 8.1, currently at 8.1.8 and supported until Jan 31, 2027.
How do I check which Symfony version I have?
Run composer show | grep "symfony/", then paste the result into the “Am I up to date?” box on this page.

Other Symfony branches

All 30 →

← Symfony 3.2 Symfony 3.4 (LTS) →

Symfony 3.3 release history

RSS

Release dates for 19 Symfony 3.3 versions, newest first.

  1. 3.3.18
  2. 3.3.17
  3. 3.3.16
  4. 3.3.15
  5. 3.3.14
  6. 3.3.13
  7. 3.3.12
  8. 3.3.11
  9. 3.3.10
  10. 3.3.9
All 19 releases
  1. 3.3.8
  2. 3.3.7
  3. 3.3.6
  4. 3.3.5
  5. 3.3.4
  6. 3.3.3
  7. 3.3.2
  8. 3.3.1
  9. 3.3.0

Keep track

Symfony 3.3 latest version badge

Official release policy · Checked 5 hours ago