D Programming Language book - outdated, list of changes since?

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On Wednesday, 23 October 2013 at 07:41:54 UTC, Guido Kollerie 
wrote:
> Hi,
>
> Wanting to learn another modern statically typed language I 
> decided upon
> learning D and have ordered Andrei Alexandrescu's book 'The D
> Programming Language'. Watching Walter Bright's DConf 2013's 
> keynote
> last night, someone mentioned it was already out of date.
>
> I was wondering is there is a list of things that have changed 
> since the
> book was printed? Something along the lines of "The book says x,
> nowadays its better to do y" type of document?

I don't believe there's any official list. A few things I can 
think of off the top of my head are: shared isn't implemented, 
scope is only partially implemented for delegates, multiple alias 
this is not implemented.