2.18 can read 3's project files well but stuff like styles may not be
interpreted.
On 01/03/18 22:37, Andreas Neumann wrote:
Hi Strumbi,
They can be installed and run in parallel. They have independent settings.
The only restriction is: once you have saved a project in QGIS 3,
there may be no way back to 2.18.
The other thing to watch out is plugins or Python code: plugins and
Python code from QGIS 2.x don't run in QGIS 3.x. They have to be
revised because of the change from Python 2 to Python 3 and qt4 to
qt5. In addition, the QGIS API changed considerably. Theoretically, a
plugin can be written to work in both QGIS 2 and QGIS 3, but in
practice, such plugins don't exist very often.
Greetings,
Andreas
On 01.03.2018 10:22, Velizar Strumberger wrote:
Hello
I apologize if this question has been asked already. Should I
uninstall QGIS 2.18 before I install QGIS 3.
Thank you
Strumbi
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