{"slug": "macos-27", "name": "macOS 27", "category": "os", "category_name": "Operating systems and desktop", "description": "", "recommenders": 1, "commenters": 6, "warners": 5, "score": -3.942, "rising": 1.0, "first": "2026-09-14", "latest": "2026-10-18", "why": "I've been running it on the macOS 27 beta all summer, and it's night and day. It's usable again.", "why_is_quote": true, "has_verdict": false, "sentiment": {"recommend": 1, "neutral": 0, "compare": 0, "warn": 5}, "spark": [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0], "listed": false, "loved": [], "caveat": "", "short_quote": "I've been running it on the macOS 27 beta all summer, and it's night and day. It's usable again.", "icon": false, "domain": null, "github_repo": null, "official_url": "", "pricing": "", "aliases": ["macOS 27"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 795292385, "item_id": 49705774, "url": "https://news.ycombinator.com/item?id=49705774", "by": "gyomu", "date": "2026-09-14", "stance": "recommend", "quote": "I've been running it on the macOS 27 beta all summer, and it's night and day. It's usable again.", "excerpt": "Yes. I have a M1 8GB MacBook Air that I use as a lightweight travel machine, and macOS 26 utterly trashed the performance on it. Things I used to do fine (work on small Xcode projects) were completely unusable, to the point where I had to downgrade it to Sequoia. I've been running it on the macOS 27 beta all summer, and it's night and day. It's usable again.", "context": "has an M1 8GB MacBook Air for travel", "use_case": "", "switched_from": "macOS 26", "story": "iOS 27, iPadOS 27, and macOS 27"}]}], "caveats": [{"label": "", "summary": "", "quotes": [{"id": 802313905, "item_id": 50144619, "url": "https://news.ycombinator.com/item?id=50144619", "by": "Audiophilip", "date": "2026-10-18", "stance": "warn", "quote": "Because Liquid Glass is an abomination.", "excerpt": "Because Liquid Glass is an abomination. I use both 27 and 15 on different computers and Sequoia is just so much nicer to work with.", "context": "runs both macOS 27 and 15 on different computers", "use_case": "desktop OS", "switched_from": "", "story": "macOS 15.8.2 Breaks OpenGL"}, {"id": 798790208, "item_id": 49924388, "url": "https://news.ycombinator.com/item?id=49924388", "by": "dbg31415", "date": "2026-10-01", "stance": "warn", "quote": "this latest OS update, even 27.0.1, is just so freakin' janky.", "excerpt": "Man... I know this post will have some real \"angry old man shaking his fists at the clouds\" energy, but this latest OS update, even 27.0.1, is just so freakin' janky. Spaces... the windows don't layer right. So I can't always move them to a new space. When I bring up the various desktops, some windows just freeze at the original size and refuse to move. Similarly, the desktop previews for other desktops don't work. T", "context": "Mac user for 40 years", "use_case": "", "switched_from": "", "story": "macOS 27 is so buggy"}, {"id": 798365712, "item_id": 49897857, "url": "https://news.ycombinator.com/item?id=49897857", "by": "jandrewrogers", "date": "2026-09-29", "stance": "warn", "quote": "they are almost unusable in macOS 27", "excerpt": "The bugs in Mission Control are a deal breaker for me. I use spaces extensively and they are almost unusable in macOS 27. It is inexplicable that they did not notice how badly they broke things. Fortunately I only upgraded a single computer, immediately noticed the bugs, and noped out on the other computers.", "context": "", "use_case": "desktop OS", "switched_from": "", "story": "macOS Golden Gate Is a Buggy Mess"}, {"id": 798340240, "item_id": 49896265, "url": "https://news.ycombinator.com/item?id=49896265", "by": "thedanbob", "date": "2026-09-29", "stance": "warn", "quote": "They didn't fix one pretty big audio bug (or possibly introduced it?)", "excerpt": "They didn't fix one pretty big audio bug (or possibly introduced it?) which bit me the other day: I attempted to use an aggregate audio device consisting of the headphone jack and a USB audio interface. Randomly every few minutes, the outputs would get rearranged and my audio would get routed to the wrong places. It was definitely the aggregate device, since it hasn't happened again since I switched to just the USB i", "context": "", "use_case": "audio routing", "switched_from": "", "story": "macOS Golden Gate Is a Buggy Mess"}]}], "who": [{"by": "gyomu", "context": "has an M1 8GB MacBook Air for travel", "url": "https://news.ycombinator.com/item?id=49705774", "date": "2026-09-14"}], "tags": [], "use_cases": ["desktop os", "audio routing"], "compared": [{"slug": "macos-sequoia", "name": "macOS Sequoia", "co": 2, "switched_from": 0, "switched_to": 0}], "makers": [], "threads": [{"url": "https://news.ycombinator.com/item?id=49894005", "title": "macOS Golden Gate Is a Buggy Mess", "mentions": 3}, {"url": "https://news.ycombinator.com/item?id=50141909", "title": "macOS 15.8.2 Breaks OpenGL", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=49924387", "title": "macOS 27 is so buggy", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=49701004", "title": "iOS 27, iPadOS 27, and macOS 27", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {}, "2026-01": {}, "2026-02": {}, "2026-03": {}, "2026-04": {}, "2026-05": {}, "2026-06": {}, "2026-07": {}, "2026-08": {}, "2026-09": {"recommend": 1, "warn": 3}, "2026-10": {"warn": 2}}, "quotes": [{"id": 802313905, "item_id": 50144619, "url": "https://news.ycombinator.com/item?id=50144619", "by": "Audiophilip", "date": "2026-10-18", "stance": "warn", "quote": "Because Liquid Glass is an abomination.", "excerpt": "Because Liquid Glass is an abomination. I use both 27 and 15 on different computers and Sequoia is just so much nicer to work with.", "context": "runs both macOS 27 and 15 on different computers", "use_case": "desktop OS", "switched_from": "", "story": "macOS 15.8.2 Breaks OpenGL"}, {"id": 798790208, "item_id": 49924388, "url": "https://news.ycombinator.com/item?id=49924388", "by": "dbg31415", "date": "2026-10-01", "stance": "warn", "quote": "this latest OS update, even 27.0.1, is just so freakin' janky.", "excerpt": "Man... I know this post will have some real \"angry old man shaking his fists at the clouds\" energy, but this latest OS update, even 27.0.1, is just so freakin' janky. Spaces... the windows don't layer right. So I can't always move them to a new space. When I bring up the various desktops, some windows just freeze at the original size and refuse to move. Similarly, the desktop previews for other desktops don't work. T", "context": "Mac user for 40 years", "use_case": "", "switched_from": "", "story": "macOS 27 is so buggy"}, {"id": 798365712, "item_id": 49897857, "url": "https://news.ycombinator.com/item?id=49897857", "by": "jandrewrogers", "date": "2026-09-29", "stance": "warn", "quote": "they are almost unusable in macOS 27", "excerpt": "The bugs in Mission Control are a deal breaker for me. I use spaces extensively and they are almost unusable in macOS 27. It is inexplicable that they did not notice how badly they broke things. Fortunately I only upgraded a single computer, immediately noticed the bugs, and noped out on the other computers.", "context": "", "use_case": "desktop OS", "switched_from": "", "story": "macOS Golden Gate Is a Buggy Mess"}, {"id": 798340240, "item_id": 49896265, "url": "https://news.ycombinator.com/item?id=49896265", "by": "thedanbob", "date": "2026-09-29", "stance": "warn", "quote": "They didn't fix one pretty big audio bug (or possibly introduced it?)", "excerpt": "They didn't fix one pretty big audio bug (or possibly introduced it?) which bit me the other day: I attempted to use an aggregate audio device consisting of the headphone jack and a USB audio interface. Randomly every few minutes, the outputs would get rearranged and my audio would get routed to the wrong places. It was definitely the aggregate device, since it hasn't happened again since I switched to just the USB i", "context": "", "use_case": "audio routing", "switched_from": "", "story": "macOS Golden Gate Is a Buggy Mess"}, {"id": 798319760, "item_id": 49894985, "url": "https://news.ycombinator.com/item?id=49894985", "by": "gjstein", "date": "2026-09-29", "stance": "warn", "quote": "I also genuinely cannot believe how broken Mission Control is.", "excerpt": "I also genuinely cannot believe how broken Mission Control is. I use it constantly and the flickering, black spaces, and other small issues lead to an overall frustrating experience I did not have in 26. I'm very surprised that these issues didn't come up on HN from all the beta users, many reporting that they're very happy with 27. Is Mission Control a feature that those likely to download the beta are disproportion", "context": "", "use_case": "desktop OS", "switched_from": "", "story": "macOS Golden Gate Is a Buggy Mess"}, {"id": 795292385, "item_id": 49705774, "url": "https://news.ycombinator.com/item?id=49705774", "by": "gyomu", "date": "2026-09-14", "stance": "recommend", "quote": "I've been running it on the macOS 27 beta all summer, and it's night and day. It's usable again.", "excerpt": "Yes. I have a M1 8GB MacBook Air that I use as a lightweight travel machine, and macOS 26 utterly trashed the performance on it. Things I used to do fine (work on small Xcode projects) were completely unusable, to the point where I had to downgrade it to Sequoia. I've been running it on the macOS 27 beta all summer, and it's night and day. It's usable again.", "context": "has an M1 8GB MacBook Air for travel", "use_case": "", "switched_from": "macOS 26", "story": "iOS 27, iPadOS 27, and macOS 27"}]}