What is difference between Turris-omnia and Turris-1.x

General discussion
1

Hi , I am new to this turris forum,
Are Turris-omnia and Turris-1.x differs with respect to target board.??
Please give clear picture of these things

2

https://doc.turris.cz/doc/en/howto/turris_versions

3

You probably don’t need to care about 1.x. They have never really been sold, only distributed to people in CZ who were taking part in a security research project. 1.x are PowerPC; Omnia is 32-bit ARM; MOX is 64-bit ARM.

4

Thank you so much, for the information