This is a library for the Arduino IDE(V2+) that adds a bunch of templated data structures, functions, and meta-functions from libstdc++(c++ STL) which are not natively available/supported for AVR ...

I can't get Multiple TWAI Instances to work on Arduino IDE. Describe the solution you'd like. You need espressif's 5.2 toolchain or newer since that has the twai v2 update. Describe alternatives ...