Despite having to make more than 100 changes to the tax code as a result of the 2025 One Big Beautiful Bill Act, employing about a quarter fewer employees and experiencing leadership turnover, an independent IRS watchdog reported that the tax agency conducted a largely successful filing season in 2026. But the Taxpayer Advocate Service also warned that staff cuts made it harder for taxpayers who needed assistance to receive it. “In the end, the IRS performed better than expected in most respects.