fontTools

python -m fontTools.subset iosevka-term.woff2 `
  --unicodes=0020-003F,007C,007E `
  --layout-features='*' `
  --layout-closure `
  --glyph-names `
  --retain-gids `
  --flavor=woff2 `
  --output-file=iosevka.woff2powershell