Jan Štola

> This will work for us for now, yes, but this approach generally requires us to execute preparatory code in the guest context before executing actual guest code ... Ideally,...

> is there some mission statement? AnnexB exists for legacy reasons only i.e. to keep the code (that uses the features already) working. > can we make the disable option...

> Well, if Graal thinks this is for legacy reasons ... why not disable it by default like the specification suggests? For the same reason these features are not disabled...

My understanding is that the change between versions `24.0.2` and `24.1.0` is a bug-fix. Even in `24.0.2` it [was not the intention](https://github.com/oracle/graal/blob/vm-24.0.2/truffle/src/com.oracle.truffle.host/src/com/oracle/truffle/host/HostToTypeNode.java#L685) to support `CharSequence`. Unfortunately, due to a bug,...