I would like to notify users of z80dasm, my version of a disassembler for Zilog Z80, that I've released a new version. It contains a one-line change compared to version 1.1.0 that fixes a minor bug causing labels to be sometimes created without a good reason.
In detail, it was a typo in an if statement that was inherited from dz80, on which z80dasm is based. It caused every instruction that started with 0xDD or 0xFD to be recognized as a LD (nn),IX (only as far as label generation was concerned - actual instruction was decoded correctly). This created some random labels if bytes following the instruction decoded to a valid address within the binary block you were disassembling.
So, unless you're reverse engineering large chunks of code where extra labels may get in your way, there's no real hurry to upgrade.