The bencher graph show a drop for Ubuntu builds: https://bencher.dev/perf/servo?lower_value=false&upper_value=false&lower_boundary=false&upper_boundary=false&x_axis=date_time&branches=52e1e9bb-959c-4171-a53d-e06bd694a6c1&testbeds=d742c702-3842-4108-9d0c-2db74e57599a%2Cc3d5c9b3-4004-43fc-a0b2-48301886d64c&benchmarks=0df0380f-9809-45bc-b525-b6ad9d5fbe91%2C96786491-a97f-47f8-8b7b-2efaa45e0bd1&measures=e71c685b-9ce9-4abc-a55d-a1de2ffe04fb&start_time=1759104000000&end_time=1759455643146&tab=plots&plots_search=213dd111-d831-4a53-b029-1582f253377c&key=true&reports_per_page=4&branches_per_page=8&testbeds_per_page=8&benchmarks_per_page=8&plots_per_page=8&reports_page=1&branches_page=1&testbeds_page=1&benchmarks_page=1&plots_page=1

This leads to 6ffc0cd