There is tons of errata over the past 3 years since this was last updated. The only place it lives is on the Shadowrun forums or Reddit. That's a terrible way to handle errata. At least some of that errata should have been put into this PDF by now. There is no acceptable excuse after this many years, for a still active game. It hasn't been touched since 2016. The separate errata PDF that is posted to DriveThruRPG is garbage older than this PDF and only contains a fraction of the errata.
Also having only the "master index" instead of just an index for the book I own is extremely un-user-friendly. It makes it less useful because if I am looking in a book's index I'm looking for something in THAT book. A master index is a fine idea as a separate PDF that you could maintain more regularly and anyone could download.
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