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After updating to QGIS 3.14 in Ubuntu 20.04, SAGA is not available. The Log Panel (View->Panels->Log Messages) said SAGA didn't load. In the Processing Toolbox, the SAGA category is missing.

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In order to solve the problem I had to:

  1. Verify if SAGA is actually installed in the system with:

saga_cmd

It said SAGA was not installed.

  1. Install SAGA with:

sudo apt-get install saga

  1. Check it's version with:

saga_cmd

Answer was: "SAGA Version: 7.3.0"

  1. Edit the SagaAlgorithmProvider.py file:

sudo nano /usr/share/qgis/python/plugins/processing/algs/saga/SagaAlgorithmProvider.py

  1. Replaced REQUIRED_VERSION = '2.3.' with REQUIRED_VERSION = '7.3.'
  2. Save file (Ctrl-O) and quit nano (Ctrl-X).
  3. Run QGIS 3.14

Now SAGA is available in the Processing Toolbox!!! When running and algorithm it says "SAGA version 7.3.0 is not officially supported - algorithms may encounter issues", yet I have not found any issues.

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