Sorry it's not really Bash. But can't help

[Budi]

Sorry as it's not really Bash
can't help but asking help oe to explain this confusion

GCC version with its timeline;

Release Release date
GCC 10.5        July 7, 2023
GCC 11.4        May 29, 2023
GCC 12.3        May 8, 2023
GCC 13.1        April 26, 2023
GCC 12.2        August 19, 2022
GCC 10.4        June 28, 2022
GCC 9.5 May 27, 2022
GCC 12.1        May 6, 2022
GCC 11.3        April 21, 2022
GCC 11.2        July 28, 2021
GCC 9.4 June 1, 2021
GCC 8.5 May 14, 2021
GCC 11.1        April 27, 2021
GCC 10.3        April 8, 2021
GCC 10.2        July 23, 2020
GCC 10.1        May 7, 2020
...

How could be so ???
Please clarify it crystal clear