{"id":53500,"date":"2026-10-09T15:42:44","date_gmt":"2026-10-09T19:42:44","guid":{"rendered":"https:\/\/mjtsai.com\/blog\/?p=53500"},"modified":"2026-10-09T15:43:59","modified_gmt":"2026-10-09T19:43:59","slug":"macos-27-and-external-displays","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2026\/10\/09\/macos-27-and-external-displays\/","title":{"rendered":"macOS 27 and External Displays"},"content":{"rendered":"<p><a href=\"https:\/\/9to5mac.com\/2026\/10\/05\/macos-27-just-fixed-the-most-annoying-problem-for-third-party-hdr-displays\/\">Jeff Benjamin<\/a>:<\/p>\n<blockquote cite=\"https:\/\/9to5mac.com\/2026\/10\/05\/macos-27-just-fixed-the-most-annoying-problem-for-third-party-hdr-displays\/\">\n<p>A drawback of using an HDR-ready third-party monitor on macOS 26 Tahoe was the inability to activate High Dynamic Range at the common 2560 x 1440 scaled resolution. Fortunately, the newest macOS release resolves this problem.<\/p>\n<\/blockquote>\n\n<p><a href=\"https:\/\/macanorak.com\/studio-display-xdr-scrolling-stutter-on-the-m5-pro-macbook-pro-whats-going-on-and-a-workaround\/\">Alexander Cohen<\/a>:<\/p>\n<blockquote cite=\"https:\/\/macanorak.com\/studio-display-xdr-scrolling-stutter-on-the-m5-pro-macbook-pro-whats-going-on-and-a-workaround\/\">\n<ul><li><strong>Symptom:<\/strong> scrolling is choppy on the Studio Display XDR at 120Hz or Adaptive (47&#x2013;120Hz). At 60Hz, and on the MacBook&rsquo;s own screen, scrolling is smooth.<\/li>\n<li><strong>What devices are affected:<\/strong> M5 Pro MacBook Pros have reproduced the problem; other repots suggest the Mac mini with M5 Pro chip is also affected. Apple lists <a href=\"https:\/\/www.macrumors.com\/2026\/03\/03\/studio-display-xdr-120hz-limits\/?ref=macanorak.com\">M5 Pro MacBook Pro<\/a> models as supporting the Studio Display XDR at 120Hz.<\/li>\n<li><strong>Likely cause:<\/strong> measurements suggest the GPU stays at a low clock speed while scrolling and misses frame deadlines.<\/li>\n<li><strong>Workaround:<\/strong> MacRumors Forums poster Tiguanito&rsquo;s M5ScrollBoost, a small menu bar app that encourages the GPU to run faster while you scroll.<\/li><\/ul>\n<\/blockquote>\n\n<p>Previously:<\/p>\n<ul>\n<li><a href=\"https:\/\/mjtsai.com\/blog\/2026\/03\/03\/macbook-pro-2026\/\">MacBook Pro 2026<\/a><\/li>\n<li><a href=\"https:\/\/mjtsai.com\/blog\/2026\/03\/03\/studio-display-and-studio-display-xdr\/\">Studio Display and Studio Display XDR<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Jeff Benjamin: A drawback of using an HDR-ready third-party monitor on macOS 26 Tahoe was the inability to activate High Dynamic Range at the common 2560 x 1440 scaled resolution. Fortunately, the newest macOS release resolves this problem. Alexander Cohen: Symptom: scrolling is choppy on the Studio Display XDR at 120Hz or Adaptive (47&#x2013;120Hz). At [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"2026-10-09T19:42:48Z","apple_news_api_id":"2711e877-1435-4879-9e6f-b46ac239f04e","apple_news_api_modified_at":"2026-10-09T19:42:48Z","apple_news_api_revision":"AAAAAAAAAAD\/\/\/\/\/\/\/\/\/\/w==","apple_news_api_share_url":"https:\/\/apple.news\/AJxHodxQ1SHmeb7RqwjnwTg","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[2],"tags":[2894,131,838,1748,30,557,100,2784,280,2892],"class_list":["post-53500","post","type-post","status-publish","format-standard","hentry","category-technology","tag-apple-m5-pro","tag-bug","tag-display","tag-high-dynamic-range-hdr","tag-mac","tag-macmini","tag-macbookpro","tag-macos-27","tag-power","tag-studio-display-xdr"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/53500","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/comments?post=53500"}],"version-history":[{"count":1,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/53500\/revisions"}],"predecessor-version":[{"id":53501,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/53500\/revisions\/53501"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=53500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=53500"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=53500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}