Vulkan Release Summary
Each minor release version of Vulkan promoted a different set of extension to core. This means that it’s no longer necessary to enable an extensions to use it’s functionality if the application requests at least that Vulkan version (given that the version is supported by the implementation).
The following summary contains a list of the extensions added to the respective core versions and why they were added. This list is taken from the Vulkan spec, but links jump to the various spots in the Vulkan Guide
Vulkan 1.1 was released on March 7, 2018
Vulkan 1.2 was released on January 15, 2020
Vulkan 1.3 was released on January 25, 2022