From version 2.x.xxxx.x

TE1400 Target for Simulink^® versions higher than 2.x.xxxx.x support MATLAB® R2019a and higher.
For the full range of features, always use the latest version, especially versions higher than 2.x.xxxx.x.
TE1400 Target for Simulink^® versions lower than 1.2.xxxx.x support MATLAB® R2010b to MATLAB® R2019a.
The installations for both versions can be used in parallel on one engineering system.
Compatibility of the modules created: see Mapping is lost with Reload TMI/TMC.

Further Information