{"id":46614,"date":"2026-09-05T18:24:00","date_gmt":"2026-09-05T16:24:00","guid":{"rendered":"https:\/\/www.chinasmartbuy.com\/blog\/?p=46614"},"modified":"2026-09-05T17:13:32","modified_gmt":"2026-09-05T15:13:32","slug":"firefox-155-macos-bug-colori-siti","status":"publish","type":"post","link":"https:\/\/www.chinasmartbuy.com\/blog\/firefox-155-macos-bug-colori-siti\/","title":{"rendered":"Firefox 155 su macOS ha un bug che sbiadisce i colori dei siti"},"content":{"rendered":"\n\n<style>\n  :root {\n    --red: #CC1B1B;\n    --red-light: rgba(204,27,27,0.08);\n    --red-mid: #e84040;\n    --accent-soft-bg: rgba(204,27,27,0.07);\n    --accent-soft-border: rgba(204,27,27,0.18);\n    --text: #1a1a1a;\n    --text-muted: #666;\n    --card: #ffffff;\n    --border: #ebebeb;\n    --page-bg: #ffffff;\n    --surface-soft: #fafafa;\n    --surface-contrast: #f0f0f0;\n    --line-soft: #f5f5f5;\n    --soft-label: #bbb;\n    --muted-label: #999;\n    --copy: #333;\n    --font-head: 'Bebas Neue', sans-serif;\n    --font-body: 'DM Sans', sans-serif;\n    --heading-spacing: 0.04em;\n    --heading-weight: 400;\n    --spec-header-spacing: 0.08em;\n    --quickfacts-shadow: 0 10px 24px rgba(15,23,42,0.06);\n  }\n  .fbp5-wrap,.fbp5-wrap * { box-sizing:border-box; margin:0; padding:0; }\n  .fbp5-wrap { font-family:var(--font-body); color:var(--text); line-height:1.7; max-width:860px; margin:0 auto; padding:0 24px 80px; display:flex; flex-direction:column; gap:52px; }\n  .fbp5-wrap[data-rh-site-profile=\"klav\"] { padding:24px 24px 80px; background:var(--page-bg); border-radius:24px; }\n  .fbp5-intro { padding-top:36px; border-top:3px solid var(--red); }\n  .fbp5-intro p { font-size:17px; color:var(--copy); line-height:1.85; margin-bottom:18px; }\n  .fbp5-intro strong { color:var(--text); font-weight:700; }\n  .rh-phonebox { background:var(--card); border:2.5px solid var(--red); border-radius:16px; overflow:hidden; margin:4px 0 0; }\n  .rh-phonebox-topbar,.rh-phonebox-bottombar { height:4px; background:linear-gradient(90deg,var(--red),var(--red-mid),var(--red)); }\n  .rh-phonebox-header { padding:24px 28px; background:var(--surface-soft); border-bottom:1px solid var(--border); display:flex; align-items:flex-start; gap:24px; }\n  .rh-phonebox-hero { width:200px; height:267px; flex-shrink:0; overflow:hidden; border-radius:12px; background:var(--surface-contrast); display:flex; align-items:center; justify-content:center; }\n  .rh-phonebox-hero img { width:100%; height:100%; object-fit:cover; display:block; }\n  .rh-phonebox-header-main { flex:1; display:flex; flex-direction:column; gap:12px; min-width:0; }\n  .rh-phonebox-tag { display:inline-flex; align-items:center; gap:8px; width:fit-content; font-size:11px; font-weight:700; letter-spacing:0.1em; text-transform:uppercase; color:var(--red); background:var(--accent-soft-bg); border:1px solid var(--accent-soft-border); border-radius:100px; padding:4px 12px; }\n  .rh-phonebox-tag-icon, .rh-phonebox-hl-icon, .rh-phonebox-section-icon { font-family:\"Apple Color Emoji\",\"Segoe UI Emoji\",\"Noto Color Emoji\",\"Segoe UI Symbol\",sans-serif; }\n  .rh-phonebox-tag-icon { font-size:12px; line-height:1; }\n  .rh-phonebox-title { font-family:var(--font-head); font-size:clamp(24px,3.5vw,38px); line-height:1; color:var(--text); letter-spacing:0.02em; margin:0; }\n  .rh-phonebox-title span { color:var(--red); }\n  .rh-phonebox-title em { font-style:normal; font-size:0.6em; color:var(--soft-label); font-family:var(--font-body); font-weight:300; letter-spacing:0.01em; }\n  .rh-phonebox-sub { font-size:14px; color:var(--muted-label); font-weight:300; margin:0; }\n  .rh-phonebox-highlights { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:10px; }\n  .rh-phonebox-hl { background:#fff; border:1.5px solid var(--border); border-radius:10px; padding:12px 14px; display:flex; flex-direction:column; gap:6px; }\n  .rh-phonebox-hl-top { display:flex; align-items:flex-start; gap:8px; }\n  .rh-phonebox-hl-icon { font-size:15px; line-height:1; }\n  .rh-phonebox-hl-value { font-family:var(--font-head); font-size:22px; line-height:1; color:var(--text); letter-spacing:0.02em; }\n  .rh-phonebox-hl-value span { font-family:var(--font-body); font-size:12px; font-weight:600; color:var(--red); }\n  .rh-phonebox-hl-label { font-size:11px; line-height:1.3; color:var(--soft-label); }\n  .rh-phonebox-colors { padding:12px 28px; background:var(--surface-soft); border-bottom:1px solid var(--border); display:flex; align-items:center; gap:8px; flex-wrap:wrap; }\n  .rh-phonebox-colors-label { font-size:11px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; color:var(--soft-label); }\n  .rh-phonebox-color-chip { display:inline-flex; align-items:center; gap:6px; background:#fff; border:1.5px solid var(--border); border-radius:100px; padding:4px 12px 4px 6px; font-size:13px; color:var(--text); }\n  .rh-phonebox-color-dot { width:12px; height:12px; border-radius:50%; border:1px solid rgba(0,0,0,0.1); display:inline-block; flex-shrink:0; }\n  .rh-phonebox-section { border-bottom:1px solid var(--line-soft); display:grid; grid-template-columns:180px minmax(0,1fr); }\n  .rh-phonebox-section:last-of-type { border-bottom:none; }\n  .rh-phonebox-section-label { padding:18px 20px 18px 28px; background:var(--surface-soft); border-right:1px solid var(--border); display:flex; align-items:flex-start; gap:8px; }\n  .rh-phonebox-section-icon { font-size:16px; line-height:1; flex-shrink:0; margin-top:1px; }\n  .rh-phonebox-section-name { font-size:12px; font-weight:700; letter-spacing:0.05em; text-transform:uppercase; color:var(--muted-label); line-height:1.4; }\n  .rh-phonebox-section-values { padding:18px 28px 18px 22px; }\n  .rh-phonebox-row { margin-bottom:12px; }\n  .rh-phonebox-row:last-child { margin-bottom:0; }\n  .rh-phonebox-row-key { font-size:12px; font-weight:700; letter-spacing:0.06em; text-transform:uppercase; color:var(--red); display:block; margin-bottom:3px; }\n  .rh-phonebox-row-val { font-size:15px; line-height:1.6; color:var(--copy); }\n  .rh-phonebox-row-val strong { font-weight:600; color:var(--text); }\n  .rh-affbox { margin-top:-20px; }\n  .rh-affbox-wrap { width:100%; background:#fff; border:2px solid var(--border); border-radius:16px; overflow:hidden; }\n  .rh-affbox-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); }\n  .rh-affbox-col { padding:22px 24px; }\n  .rh-affbox-col:not(:last-child) { border-right:1px solid var(--line-soft); }\n  .rh-affbox-model { font-family:var(--font-head); font-size:22px; color:var(--text); letter-spacing:0.02em; margin-bottom:4px; line-height:1; }\n  .rh-affbox-model span { color:var(--red); }\n  .rh-affbox-from { font-size:11px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; color:var(--soft-label); margin-bottom:2px; }\n  .rh-affbox-amount { font-family:var(--font-head); font-size:36px; color:var(--red); letter-spacing:0.02em; line-height:1; margin-bottom:14px; }\n  .rh-affbox-ctas { display:flex; flex-direction:column; gap:8px; margin-bottom:14px; }\n  .rh-affbox-cta { display:inline-flex; align-items:center; justify-content:center; gap:8px; background:var(--red); color:#fff !important; text-decoration:none !important; border-radius:100px; padding:11px 22px; font-size:14px; font-weight:600; white-space:nowrap; }\n  .rh-affbox-cta.secondary { background:var(--text); }\n  .rh-affbox-cta svg { width:13px; height:13px; flex-shrink:0; }\n  .rh-affbox-coupon { display:flex; align-items:center; justify-content:space-between; gap:12px; border:1px dashed var(--accent-soft-border); background:var(--accent-soft-bg); border-radius:12px; padding:10px 12px; margin:0 0 12px; }\n  .rh-affbox-coupon-label { font-size:11px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; color:var(--red); }\n  .rh-affbox-coupon-code { font-family:var(--font-head); font-size:22px; line-height:1; color:var(--text); letter-spacing:0.03em; }\n  .rh-affbox-promo { font-size:12px; color:var(--text-muted); line-height:1.5; border-top:1px solid var(--line-soft); padding-top:12px; margin-top:2px; }\n  .rh-affbox-promo strong { color:var(--red); font-weight:600; }\n  .rh-affbox-disclaimer { margin-top:10px; font-size:12px; line-height:1.55; color:var(--text-muted); }\n  .rh-downloadjump { margin:-28px 0 0; display:flex; align-items:center; justify-content:space-between; gap:14px; background:#fff; border:1px solid var(--accent-soft-border); border-radius:16px; padding:13px 15px; box-shadow:var(--quickfacts-shadow); }\n  .rh-downloadjump strong { display:block; font-size:12px; font-weight:900; letter-spacing:0.08em; text-transform:uppercase; color:var(--red); line-height:1.2; }\n  .rh-downloadjump span { display:block; margin-top:3px; font-size:13px; color:var(--text-muted); line-height:1.35; }\n  .rh-downloadjump a { display:inline-flex; align-items:center; justify-content:center; flex-shrink:0; background:var(--red); color:#fff !important; text-decoration:none !important; border-radius:999px; padding:9px 14px; font-size:13px; font-weight:800; }\n  .rh-downloadbox { margin:4px 0 0; }\n  .rh-downloadbox-wrap { background:linear-gradient(135deg,var(--accent-soft-bg),#fff); border:1px solid var(--accent-soft-border); border-radius:18px; padding:20px; box-shadow:var(--quickfacts-shadow); }\n  .rh-downloadbox-head { display:flex; justify-content:space-between; align-items:flex-start; gap:16px; margin-bottom:14px; }\n  .rh-downloadbox-kicker { font-size:11px; font-weight:800; letter-spacing:0.12em; text-transform:uppercase; color:var(--red); margin-bottom:6px; }\n  .rh-downloadbox-title { font-family:var(--font-head); font-size:clamp(24px,3.4vw,34px); line-height:1; color:var(--text); letter-spacing:var(--heading-spacing); margin:0; }\n  .rh-downloadbox-count { flex-shrink:0; border:1px solid var(--accent-soft-border); background:#fff; color:var(--red); border-radius:999px; padding:6px 10px; font-size:11px; font-weight:800; text-transform:uppercase; }\n  .rh-downloadbox-links { display:flex; flex-wrap:wrap; gap:10px; }\n  .rh-downloadbox-link { display:inline-flex; align-items:center; justify-content:center; gap:8px; background:var(--red); color:#fff !important; text-decoration:none !important; border-radius:999px; padding:11px 16px; font-size:14px; font-weight:700; }\n  .rh-downloadbox-link svg { width:13px; height:13px; flex-shrink:0; }\n  .rh-downloadbox-note { margin:14px 0 0; font-size:12px; line-height:1.55; color:var(--text-muted); }\n  .rh-offerbox { margin:4px 0 0; }\n  .rh-offerbox-wrap { background:linear-gradient(135deg,var(--accent-soft-bg),#fff); border:1px solid var(--accent-soft-border); border-radius:18px; padding:20px; box-shadow:var(--quickfacts-shadow); }\n  .rh-offerbox-head { display:flex; justify-content:space-between; align-items:flex-start; gap:16px; margin-bottom:14px; }\n  .rh-offerbox-kicker { font-size:11px; font-weight:800; letter-spacing:0.12em; text-transform:uppercase; color:var(--red); margin-bottom:6px; }\n  .rh-offerbox-title { font-family:var(--font-head); font-size:clamp(24px,3.4vw,34px); line-height:1; color:var(--text); letter-spacing:var(--heading-spacing); margin:0; }\n  .rh-offerbox-count { flex-shrink:0; border:1px solid var(--accent-soft-border); background:#fff; color:var(--red); border-radius:999px; padding:6px 10px; font-size:11px; font-weight:800; text-transform:uppercase; }\n  .rh-offerbox-links { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:10px; }\n  .rh-offerbox-link { display:flex; align-items:center; justify-content:center; gap:8px; background:var(--red); color:#fff !important; text-decoration:none !important; border-radius:999px; padding:11px 16px; font-size:14px; font-weight:800; text-align:center; }\n  .rh-offerbox-link small { opacity:.82; font-size:11px; font-weight:700; }\n  .rh-offerbox-link svg { width:13px; height:13px; flex-shrink:0; }\n  .rh-offerbox-note { margin:14px 0 0; font-size:12px; line-height:1.55; color:var(--text-muted); }\n  .rh-offer-inline { margin:0; }\n  .rh-offer-inline-wrap { display:flex; align-items:center; justify-content:space-between; gap:16px; background:var(--surface-soft); border:1px solid var(--accent-soft-border); border-left:4px solid var(--red); border-radius:16px; padding:16px 18px; box-shadow:var(--quickfacts-shadow); }\n  .rh-offer-inline-kicker { font-size:10px; font-weight:800; letter-spacing:0.12em; text-transform:uppercase; color:var(--red); margin-bottom:4px; }\n  .rh-offer-inline-title { font-size:15px; line-height:1.35; color:var(--text); font-weight:800; }\n  .rh-offer-inline-store { margin-top:3px; font-size:12px; color:var(--text-muted); font-weight:700; }\n  .rh-offer-inline-cta { display:inline-flex; align-items:center; justify-content:center; gap:8px; flex-shrink:0; background:var(--red); color:#fff !important; text-decoration:none !important; border-radius:999px; padding:11px 16px; font-size:13px; font-weight:800; white-space:nowrap; }\n  .rh-offer-inline-cta svg { width:13px; height:13px; flex-shrink:0; }\n  .rh-offer-inline-note { margin:9px 0 0; font-size:12px; line-height:1.55; color:var(--text-muted); }\n  .rh-external-embed { margin:4px 0 0; }\n  .rh-external-embed-wrap { width:100%; background:#fff; border:1px solid var(--border); border-radius:16px; overflow:hidden; box-shadow:var(--quickfacts-shadow); }\n  .rh-external-embed-head { display:flex; align-items:center; justify-content:space-between; gap:12px; padding:14px 18px; background:var(--surface-soft); border-bottom:1px solid var(--border); }\n  .rh-external-embed-kicker { font-size:11px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; color:var(--red); }\n  .rh-external-embed-source { font-size:12px; color:var(--soft-label); }\n  .rh-external-embed-frame { position:relative; aspect-ratio:16 \/ 9; overflow:hidden; background:#000; min-height:0; }\n  .rh-external-embed-frame iframe, .rh-external-embed-frame > iframe { position:absolute !important; inset:0; width:100% !important; height:100% !important; min-height:0 !important; max-height:none !important; max-width:none !important; border:0; display:block; }\n  .rh-external-embed-body { padding:18px 20px; display:grid; gap:12px; }\n  .rh-external-embed-title { font-family:var(--font-head); font-size:24px; line-height:1; color:var(--text); letter-spacing:0.02em; }\n  .rh-external-embed-copy { font-size:14px; color:var(--text-muted); line-height:1.6; }\n  .rh-external-embed-link { display:inline-flex; align-items:center; gap:8px; width:fit-content; color:var(--red) !important; text-decoration:none !important; font-weight:700; }\n  .rh-external-embed-link svg { width:13px; height:13px; flex-shrink:0; }\n  .fbp5-section { display:flex; flex-direction:column; gap:0; }\n  .fbp5-section-label { display:inline-flex; align-items:center; gap:7px; font-size:11px; font-weight:700; letter-spacing:0.14em; text-transform:uppercase; color:var(--red); margin-bottom:10px; }\n  .fbp5-section-label::before { content:''; display:block; width:18px; height:2px; background:var(--red); }\n  .fbp5-section h2 { font-family:var(--font-head); font-size:clamp(27px,4vw,39px); letter-spacing:var(--heading-spacing); font-weight:var(--heading-weight); color:var(--text); line-height:1.05; margin-bottom:20px; }\n  .fbp5-section h2 span { color:var(--red); }\n  .fbp5-section p { font-size:17px; color:var(--copy); line-height:1.78; margin-bottom:14px; }\n  .fbp5-bullet-list { margin:18px 0 6px 20px; padding:0; display:flex; flex-direction:column; gap:10px; }\n  .fbp5-bullet-list li { font-size:16px; line-height:1.7; color:#1f2937; }\n  .fbp5-bullet-list li::marker { color:var(--red); }\n  .rh-quickfacts-grid { margin:18px 0 0; display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:12px; }\n  .rh-quickfacts-card { background:#fff; border:1px solid var(--border); border-radius:16px; padding:14px 16px; box-shadow:var(--quickfacts-shadow); display:flex; flex-direction:column; gap:6px; }\n  .rh-quickfacts-label { font-size:12px; font-weight:800; letter-spacing:0.08em; text-transform:uppercase; color:var(--red); }\n  .rh-quickfacts-value { font-size:15px; line-height:1.6; color:#1f2937; }\n  .fbp5-highlight { background:var(--red-light); border-left:4px solid var(--red); border-radius:0 10px 10px 0; padding:15px 19px; margin:18px 0 0; font-size:16px; color:var(--copy); line-height:1.65; }\n  .fbp5-info { background:var(--surface-soft); border:1px solid var(--border); border-radius:10px; padding:15px 19px; margin:18px 0 0; font-size:15px; color:var(--text-muted); line-height:1.65; }\n  .fbp5-scheda { background:var(--card); border:1px solid var(--border); border-radius:14px; overflow:hidden; margin:20px 0 0; }\n  .fbp5-scheda-header { background:var(--red); color:#fff; padding:14px 20px; font-family:var(--font-head); font-size:20px; font-weight:var(--heading-weight); letter-spacing:var(--spec-header-spacing); }\n  .fbp5-scheda-row { display:flex; border-bottom:1px solid var(--border); }\n  .fbp5-scheda-row:last-child { border-bottom:none; }\n  .fbp5-scheda-key { width:42%; padding:11px 16px; font-size:13px; font-weight:700; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.06em; background:var(--surface-soft); flex-shrink:0; }\n  .fbp5-scheda-val { padding:11px 16px; font-size:14px; color:var(--text); font-weight:500; line-height:1.5; }\n  @media(max-width:600px) {\n    .fbp5-wrap { padding:0 14px 60px; gap:40px; }\n    .fbp5-section h2 { font-size:32px; }\n    .fbp5-scheda-row { flex-direction:column; }\n    .fbp5-scheda-key { width:100%; }\n    .rh-phonebox-header { padding:18px 16px; flex-direction:column; align-items:center; }\n    .rh-phonebox-hero { width:150px; height:200px; }\n    .rh-phonebox-highlights { grid-template-columns:repeat(2,minmax(0,1fr)); }\n    .rh-phonebox-colors { padding:16px; }\n    .rh-phonebox-section { grid-template-columns:1fr; }\n    .rh-phonebox-section-label { padding:14px 20px; border-right:none; border-bottom:1px solid var(--border); }\n    .rh-phonebox-section-values { padding:14px 20px; }\n    .rh-affbox-grid { grid-template-columns:1fr; }\n    .rh-affbox-col:not(:last-child) { border-right:none; border-bottom:1px solid var(--line-soft); }\n    .rh-affbox-cta { width:100%; }\n    .rh-downloadjump { align-items:flex-start; flex-direction:column; margin:-22px 0 0; }\n    .rh-downloadjump a { width:100%; }\n    .rh-downloadbox-head { flex-direction:column; }\n    .rh-downloadbox-link { width:100%; }\n    .rh-offerbox-head { flex-direction:column; }\n    .rh-offerbox-links { grid-template-columns:1fr; }\n    .rh-offer-inline-wrap { flex-direction:column; align-items:flex-start; }\n    .rh-offer-inline-cta { width:100%; }\n  }\n\n  \/* RH_FBP5_CARDS_CSS_V1 *\/\n  .fbp5-related-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }\n  .fbp5-telegram-grid { grid-template-columns:repeat(2,1fr); }\n  .fbp5-related-card { display:block; overflow:hidden; border:1px solid var(--border,#ebebeb); border-radius:8px; background:var(--card,#fff); color:inherit !important; text-decoration:none !important; transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease; }\n  .fbp5-related-card:hover { transform:translateY(-2px); border-color:rgba(204,27,27,.35); box-shadow:0 16px 36px rgba(18,18,18,.10); }\n  .fbp5-related-card img { display:block; width:100%; aspect-ratio:16\/9; object-fit:cover; background:var(--surface-soft,#fafafa); }\n  .fbp5-related-thumb-placeholder { width:100%; aspect-ratio:16\/9; display:flex; align-items:center; justify-content:center; background:linear-gradient(135deg,rgba(204,27,27,.10),rgba(204,27,27,.03)); color:var(--red,#CC1B1B); font-family:var(--font-head,'Bebas Neue',sans-serif); font-size:28px; letter-spacing:.04em; }\n  .fbp5-related-body { padding:12px; }\n  .fbp5-related-body span { display:block; margin:0 0 6px; color:var(--red,#CC1B1B); font-size:11px; font-weight:900; letter-spacing:.08em; text-transform:uppercase; }\n  .fbp5-related-body strong { display:block; font-size:15px; line-height:1.25; color:var(--text,#1a1a1a); }\n  .fbp5-related-body small { display:block; margin:7px 0 0; color:var(--text-muted,#666); font-size:13px; line-height:1.35; }\n  @media(max-width:720px) {\n    .fbp5-telegram-grid { grid-template-columns:1fr; }\n    .fbp5-related-grid:not(.fbp5-telegram-grid) { grid-template-columns:1fr; }\n    .fbp5-related-grid:not(.fbp5-telegram-grid) .fbp5-related-card { display:grid; grid-template-columns:112px minmax(0,1fr); align-items:stretch; }\n    .fbp5-related-grid:not(.fbp5-telegram-grid) .fbp5-related-card img,\n    .fbp5-related-grid:not(.fbp5-telegram-grid) .fbp5-related-thumb-placeholder { height:100%; min-height:92px; aspect-ratio:auto; }\n  }\n<\/style>\n<div class=\"fbp5-wrap rh-json-article\" id=\"rh-article-mtoivtso-qpahy\" data-rh-article-type=\"news\" data-rh-site-profile=\"china-smart-buy\">\n  <div class=\"fbp5-intro\">\n    \n    <p>Mozilla ha avviato la correzione di un problema comparso dopo il rilascio di <strong>Firefox 155<\/strong>: su macOS alcuni siti vengono mostrati con colori sbiaditi, contrasto ridotto e una resa visiva alterata. Il bug \u00e8 emerso nei giorni successivi alla pubblicazione della nuova versione del browser, distribuita il 31 agosto.<\/p><p>L\u2019anomalia interessa il processo RDD, ci\u00f2\u00e8 il componente usato da Firefox per la decodifica remota dei contenuti multimediali. C\u2019\u00e8 gi\u00e0 una soluzione temporanea che permette di ripristinare i colori corretti, ma Mozilla invita a considerarla solo come ripiego, perch\u00e9 comporta un indebolimento del modello di sicurezza del browser.<\/p>\n  <\/div><figure class=\"wp-block-image size-large\" style=\"margin:18px 0;display:block;clear:both;width:100%;position:relative;z-index:1\"><a href=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/08\/firefox-8c51d8aa-2840-415e-a866-32c0-i307bt1ffk.webp\" target=\"_blank\" rel=\"noopener\" style=\"display:block;width:100%;position:relative;z-index:2;pointer-events:auto;cursor:zoom-in\"><img decoding=\"async\" src=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/08\/firefox-8c51d8aa-2840-415e-a866-32c0-i307bt1ffk.webp\" alt=\"Firefox\" loading=\"lazy\" style=\"display:block;max-width:100%;height:auto;margin:0 auto;pointer-events:auto\"><\/a><\/figure>\n  \n\n      <section class=\"fbp5-section\">\n        \n        <h2>Il bug di Firefox 155 su macOS altera colori e contrasto di <span>alcuni siti<\/span><\/h2>\n        <p>Il difetto confermato da Mozilla riguarda al momento <strong>macOS<\/strong> e si manifesta con pagine web che appaiono pi\u00f9 chiare del normale, quasi sbiadite, con un contrasto visibilmente pi\u00f9 basso. Non si tratta quindi di un semplice problema estetico marginale: per chi usa il browser ogni giorno, soprattutto su contenuti grafici, immagini o interfacce ricche di elementi visivi, la resa pu\u00f2 diventare subito percepibile.<\/p><p>Mozilla ha gi\u00e0 collegato il comportamento anomalo al processo RDD, sigla di Remote Data Decoder, che gestisce la decodifica dei media in un processo separato. \u00c8 un dettaglio tecnico importante perch\u00e9 chiarisce che il problema non nasce da un generico errore di rendering della pagina, ma da una parte specifica dell\u2019architettura del browser.<\/p>\n        \n        \n        \n        \n        \n      <\/section>\n    \n\n      <section class=\"fbp5-section\">\n        \n        <h2>La soluzione temporanea esiste, per\u00f2 non <span>va considerata definitiva<\/span><\/h2>\n        <p>In attesa del fix ufficiale, alcuni utenti hanno verificato che il problema pu\u00f2 essere aggirato entrando nella pagina avanzata about:config e disattivando il parametro <strong>media. rdd-process. enabled<\/strong>. Con questa modifica i colori dei siti tornano normali, ma Mozilla non la presenta come una soluzione da lasciare attiva nel tempo.<\/p><p>Il motivo \u00e8 pratico: disabilitando RDD, la decodifica dei media non resta pi\u00f9 isolata nel processo dedicato e viene spostata nel normale processo dei contenuti. Questo riduce in parte le protezioni previste dal modello di sicurezza di Firefox. In altre parole, il rimedio pu\u00f2 essere utile per sbloccare subito la situazione su Mac, ma conviene usarlo solo in modo temporaneo, in attesa dell\u2019aggiornamento correttivo.<\/p>\n        \n        \n        \n        \n        \n      <\/section>\n    \n\n      <section class=\"fbp5-section\">\n        \n        <h2>Il caso si inserisce in una fase di sviluppo <span>intensa per Firefox<\/span><\/h2>\n        <p>Mozilla ha confermato finora l\u2019impatto del bug solo su macOS. Sono emerse anche segnalazioni isolate su Windows e Linux, ma non c\u2019\u00e8 ancora conferma che si tratti dello stesso difetto. Questo passaggio conta perch\u00e9 evita di allargare troppo il problema: per ora il fronte realmente accertato resta quello dei Mac.<\/p><p>La vicenda arriva in un momento in cui Firefox sta attraversando una fase piuttosto attiva, tra nuove funzioni, interventi sull\u2019interfaccia e una roadmap pi\u00f9 ampia che guarda anche al 2026. Proprio per questo un problema di resa visiva su una release appena distribuita pesa pi\u00f9 del solito: chi segue Firefox come alternativa concreta ai browser dominanti si aspetta aggiornamenti rapidi.<\/p>\n        \n        \n        \n        \n        \n      <\/section>\n    \n<section class=\"fbp5-section\" data-rh-related-section=\"1\">\n      <div class=\"fbp5-section-label\">Articoli correlati<\/div>\n      <h2>Altre notizie <span>da leggere<\/span><\/h2>\n      <div class=\"fbp5-related-grid\"><a class=\"fbp5-related-card\" href=\"https:\/\/www.chinasmartbuy.com\/blog\/gskill-flare-x5x-ddr5-amd-expo-ull\" target=\"_blank\" rel=\"noopener\">\n      <img decoding=\"async\" src=\"https:\/\/www.chinasmartbuy.com\/blog\/wp-content\/uploads\/2026\/08\/g-skill-flare-x5x-ddr5-b1d9df1f-6767-4f18-bbbb-fac8-11u6z7lk8v.webp\" alt=\"G.Skill Flare X5X DDR5: nuova RAM con supporto AMD EXPO-ULL\" loading=\"lazy\">\n      <div class=\"fbp5-related-body\">\n        <span>Ram<\/span>\n        <strong>G.Skill Flare X5X DDR5: nuova RAM con supporto AMD EXPO-ULL<\/strong>\n        <small>G. 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Mozilla ha confermato il bug e lavora a una correzione.<\/p>\n","protected":false},"author":9,"featured_media":46609,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_yoast_wpseo_focuskw_text_input":"Firefox 155 macOS bug colori","footnotes":""},"categories":[480],"tags":[],"class_list":["post-46614","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Firefox 155 su macOS ha un bug che sbiadisce i colori dei siti<\/title>\n<meta name=\"description\" content=\"Firefox 155 presenta su macOS un bug che altera colori e contrasto di alcuni siti. Mozilla ha confermato il problema e sta lavorando alla correzione.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.chinasmartbuy.com\/blog\/firefox-155-macos-bug-colori-siti\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Firefox 155 su macOS ha un bug che sbiadisce i colori dei siti\" \/>\n<meta property=\"og:description\" content=\"Firefox 155 presenta su macOS un bug che altera colori e contrasto di alcuni siti. 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