safely upgrade

[bandzula]

How to safely upgrade from version 2.9.0 to 3.1 ?

[xchs]

Do it step by step, i.e. first update to version 2.10.4, then to 2.11.11 and 3.0.6 and at last to version 3.1 (FYI: for tomorrow, the 3.1.1 bugfix release is planned).

On the German board, there are also some update tutorials:

• https://community.contao.org/de/show...Version-2-10-x[/*:m:10r61aq8]
• https://community.contao.org/de/show...Version-2-11-x[/*:m:10r61aq8]
• https://community.contao.org/de/show...e-auf-Contao-3[/*:m:10r61aq8]
• https://community.contao.org/de/show...auf-Contao-3-1[/*:m:10r61aq8]

Maybe you can use Google Translate (or similar tools) to translate the given threads accordingly.