Upgrading From a Previous Version
Please read the upgrade notes corresponding to the version you are upgrading from.
- Upgrading from 3.1.10 to 3.1.11
- Upgrading from 3.1.9 to 3.1.10
- Upgrading from 3.1.8 to 3.1.9
- Upgrading from 3.1.7 to 3.1.8
- Upgrading from 3.1.6 to 3.1.7
- Upgrading from 3.1.5 to 3.1.6
- Upgrading from 3.1.4 to 3.1.5
- Upgrading from 3.1.3 to 3.1.4
- Upgrading from 3.1.2 to 3.1.3
- Upgrading from 3.1.1 to 3.1.2
- Upgrading from 3.1.0 to 3.1.1
- Upgrading from 3.0.6 to 3.1.0
- Upgrading from 3.0.5 to 3.0.6
- Upgrading from 3.0.4 to 3.0.5
- Upgrading from 3.0.3 to 3.0.4
- Upgrading from 3.0.2 to 3.0.3
- Upgrading from 3.0.1 to 3.0.2
- Upgrading from 3.0.0 to 3.0.1
- Upgrading from 2.2.x to 3.0.x
- Upgrading from 2.2.2 to 2.2.3
- Upgrading from 2.2.1 to 2.2.2
- Upgrading from 2.2.0 to 2.2.1
- Upgrading from 2.1.4 to 2.2.x
- Upgrading from 2.1.3 to 2.1.4
- Upgrading from 2.1.2 to 2.1.3
- Upgrading from 2.1.1 to 2.1.2
- Upgrading from 2.1.0 to 2.1.1
- Upgrading from 2.0.3 to 2.1.0
- Upgrading from 2.0.2 to 2.0.3
- Upgrading from 2.0.1 to 2.0.2
- Upgrading from 2.0 to 2.0.1
- Upgrading from 1.7.2 to 2.0
- Upgrading from 1.7.1 to 1.7.2
- Upgrading from 1.7.0 to 1.7.1
- Upgrading from 1.6.3 to 1.7.0
- Upgrading from 1.6.2 to 1.6.3
- Upgrading from 1.6.1 to 1.6.2
- Upgrading from 1.6.0 to 1.6.1
- Upgrading from 1.5.4 to 1.6.0
- Upgrading from 1.5.3 to 1.5.4
- Upgrading from 1.5.2 to 1.5.3
- Upgrading from 1.5.0 or 1.5.1 to 1.5.2
- Upgrading from 1.4.1 to 1.5.0
- Upgrading from 1.4.0 to 1.4.1
- Upgrading from 1.3.3 to 1.4.0
- Upgrading from 1.3.2 to 1.3.3
- Upgrading from 1.3.1 to 1.3.2
- Upgrading from 1.3 to 1.3.1
- Upgrading from 1.2 to 1.3
- Upgrading from 1.1 to 1.2
- Upgrading from Beta 1.0 to Beta 1.1
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Licensed under the MIT License.
https://codeigniter.com/userguide3/installation/upgrading.html