A round-up of EU competition law developments, including (amongst other things) (1) a Court of Justice judgment in a national reference from the Netherlands proposing that parity clauses are not ancillary restrictions for the purposes of EU competition law, (2) an AG opinion affirming German sawmills right to consolidate antitrust claims, (3) a Court of Justice judgment setting aside the General Court’s judgment and annulling the Commission’s decision regarding tax breaks granted by the UK to certain multinational groups between 2013 and 2018, and (4) the publication by the Commission of a briefing paper on competition in generative AI and virtual worlds.