This week's edition of Competition weekly highlights includes, from a UK perspective: (1) the CAT issues second ruling refusing application to amend collective proceedings claim against Apple following liability judgment, (2) the CAT issues judgment dismissing collective proceedings against musical instrument manufacturers following withdrawal of claims, (3) the Court of Justice issues judgment refusing Nexans permission to appeal CAT judgment in London Array cartel damages claim, (4) the CAT publishes guidance on appeals to higher courts and judicial review of CAT decisions, (5) the government publishes National Security and Investment Annual Report for 2025–2026, and (6) the CMA publishes final report on its heating oil market study This week's highlights also includes, from an EU perspective: (1) the Court of Justice issues judgment holding that DFB regulations on players' agents may fall within exception to Article 101(1) TFEU prohibition on cartels, (2) an AG opinion suggesting that the exchange of general pricing information between insurers may constitute a concerted practice depending on the market context, (3) the Commission accepts commitments from SAP in an abuse of dominance investigation into ERP maintenance and support services, (4) the Commission reports on application of EU competition rules in agricultural sector, (5) the Commission launches gun-jumping investigation into XXXLutz/Porta acquisition, (6) the Commission publishes first review of the FSR, concluding that it is fit for purpose and proposing targeted reforms, (7) the General Court dismisses actions against Commission decision finding Czech aid for large enterprises under orchard restructuring and drip irrigation schemes incompatible with the internal market, (8) the Court of Justice issues a judgment dismissing an appeal against the Commission's decision concerning German support for cogenerated electricity, (9) the Court of Justice issues judgment recommending that an Austrian VAT exemption constitutes State aid, (10) the Commission publishes State aid brief on implementation of the Temporary Crisis and Transition Framework.