{"slug": "opencore", "name": "OpenCore", "category": "other", "category_name": "Other software", "description": "", "recommenders": 3, "commenters": 5, "warners": 1, "score": 1.973, "rising": -0.98, "first": "2026-01-27", "latest": "2026-09-23", "why": "Personally, I just went and installed OpenCore once and that's it.", "why_is_quote": true, "has_verdict": false, "sentiment": {"recommend": 3, "neutral": 1, "compare": 0, "warn": 1}, "spark": [0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0], "listed": true, "loved": [], "caveat": "", "short_quote": "Personally, I just went and installed OpenCore once and that's it.", "kind": "", "icon": true, "domain": null, "github_repo": "github.com/acidanthera/opencorepkg", "official_url": "https://github.com/acidanthera/OpenCorePkg", "pricing": "", "aliases": ["OpenCore"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 759313728, "item_id": 47457108, "url": "https://news.ycombinator.com/item?id=47457108", "by": "razingeden", "date": "2026-03-20", "version": null, "stance": "recommend", "quote": "You can also get a newer macOS on that laptop altogether using something called OpenCore.", "excerpt": "Hi Nathan, At least on genuine apple hardware with a real serial: The iMessage thing is probably because certain root certificates expired in high sierra and others by now and they can be updated manually. [0] https://osxchateau.com/articles/updating-ssl-certificates-on-older-mac-os-x-systems/ A bunch expired in 2019 and Apple pushed new installer versions for several OS releases going back to Yosemite. High Sierra m", "context": "", "use_case": "Run newer macOS on old Macs", "switched_from": "", "story": "\"Al has joined your family\""}, {"id": 753088016, "item_id": 47068001, "url": "https://news.ycombinator.com/item?id=47068001", "by": "CharlesW", "date": "2026-02-18", "version": null, "stance": "recommend", "quote": "OpenCore and MIST are two great tools for fans of obsolete Macs.", "excerpt": "OpenCore and MIST are two great tools for fans of obsolete Macs. https://github.com/ninxsoft/Mist", "context": "", "use_case": "Booting obsolete Macs", "switched_from": "", "story": "27-year-old Apple iBooks can connect to Wi-Fi and download official updates"}, {"id": 748460544, "item_id": 46778784, "url": "https://news.ycombinator.com/item?id=46778784", "by": "mschuster91", "date": "2026-01-27", "version": null, "stance": "recommend", "quote": "Personally, I just went and installed OpenCore once and that's it.", "excerpt": "> I don't really care what Apple does on this regard, they were always doing things differently. IIRC, even Macs that supported EFI, only supported EFI 1.1, not 2.0, no? Yup, but as long as you got an original Apple GPU that's enough to just stick a Windows or Linux USB stick and you can install straight from the stick. \"Normal\" PCI GPUs have to be reflashed with a GOP blob [1] so that Apple's EFI implementation can ", "context": "", "use_case": "Booting other OSes on Macs", "switched_from": "", "story": "Fedora Asahi Remix is now working on Apple M3"}]}], "caveats": [{"label": "", "summary": "", "quotes": [{"id": 763154976, "item_id": 47697186, "url": "https://news.ycombinator.com/item?id=47697186", "by": "bigyabai", "date": "2026-04-08", "version": null, "stance": "warn", "quote": "OpenCore can't save it", "excerpt": "Have you ever tried daily-driving a Hackintosh? It's nothing like using a Mac, or even a Windows/Linux machine for that matter. I dual-booted Mojave on 2 Wintel machines back during the Clover bootloader days, I could only tolerate it for ~2 weeks before giving up. Spoofing OEM Apple hardware is basically impossible, even with configuration-matched CPUs your motherboard will still mismatch the ACPI overrides that mac", "context": "", "use_case": "", "switched_from": "", "story": "I Ported Mac OS X to the Nintendo Wii"}]}], "who": [{"by": "nullify88", "context": "has an HP system and doesn't want to tinker with firmware", "url": "https://news.ycombinator.com/item?id=49815130", "date": "2026-09-23"}], "tags": [], "use_cases": ["enabling resizable bar in bootloader", "run newer macos on old macs", "booting obsolete macs", "booting other oses on macs"], "compared": [], "makers": [], "threads": [{"url": "https://news.ycombinator.com/item?id=49781862", "title": "ReBarUEFI: Resizable BAR for almost any UEFI system", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=47691730", "title": "I Ported Mac OS X to the Nintendo Wii", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=47456819", "title": "\"Al has joined your family\"", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=47066241", "title": "27-year-old Apple iBooks can connect to Wi-Fi and download official updates", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=46769051", "title": "Fedora Asahi Remix is now working on Apple M3", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {}, "2026-01": {"recommend": 1}, "2026-02": {"recommend": 1}, "2026-03": {"recommend": 1}, "2026-04": {"warn": 1}, "2026-05": {}, "2026-06": {}, "2026-07": {}, "2026-08": {}, "2026-09": {"neutral": 1}, "2026-10": {}}, "versions": [], "version_unnamed": 0, "family_ref": null, "runs_on": null, "lines": [], "quotes": [{"id": 797042080, "item_id": 49815130, "url": "https://news.ycombinator.com/item?id=49815130", "by": "nullify88", "date": "2026-09-23", "version": null, "stance": "neutral", "quote": "Not sure how reliable it is.", "excerpt": "Since I don't want to tinker with my HP Firmware, a brief investigation led me to OpenCore's ability to enable Resizable BAR in the bootloader before Windows boots. Not sure how reliable it is. https://github.com/xCuri0/ReBarUEFI/discussions/118", "context": "has an HP system and doesn't want to tinker with firmware", "use_case": "enabling Resizable BAR in bootloader", "switched_from": "", "story": "ReBarUEFI: Resizable BAR for almost any UEFI system"}, {"id": 763154976, "item_id": 47697186, "url": "https://news.ycombinator.com/item?id=47697186", "by": "bigyabai", "date": "2026-04-08", "version": null, "stance": "warn", "quote": "OpenCore can't save it", "excerpt": "Have you ever tried daily-driving a Hackintosh? It's nothing like using a Mac, or even a Windows/Linux machine for that matter. I dual-booted Mojave on 2 Wintel machines back during the Clover bootloader days, I could only tolerate it for ~2 weeks before giving up. Spoofing OEM Apple hardware is basically impossible, even with configuration-matched CPUs your motherboard will still mismatch the ACPI overrides that mac", "context": "", "use_case": "", "switched_from": "", "story": "I Ported Mac OS X to the Nintendo Wii"}, {"id": 759313728, "item_id": 47457108, "url": "https://news.ycombinator.com/item?id=47457108", "by": "razingeden", "date": "2026-03-20", "version": null, "stance": "recommend", "quote": "You can also get a newer macOS on that laptop altogether using something called OpenCore.", "excerpt": "Hi Nathan, At least on genuine apple hardware with a real serial: The iMessage thing is probably because certain root certificates expired in high sierra and others by now and they can be updated manually. [0] https://osxchateau.com/articles/updating-ssl-certificates-on-older-mac-os-x-systems/ A bunch expired in 2019 and Apple pushed new installer versions for several OS releases going back to Yosemite. High Sierra m", "context": "", "use_case": "Run newer macOS on old Macs", "switched_from": "", "story": "\"Al has joined your family\""}, {"id": 753088016, "item_id": 47068001, "url": "https://news.ycombinator.com/item?id=47068001", "by": "CharlesW", "date": "2026-02-18", "version": null, "stance": "recommend", "quote": "OpenCore and MIST are two great tools for fans of obsolete Macs.", "excerpt": "OpenCore and MIST are two great tools for fans of obsolete Macs. https://github.com/ninxsoft/Mist", "context": "", "use_case": "Booting obsolete Macs", "switched_from": "", "story": "27-year-old Apple iBooks can connect to Wi-Fi and download official updates"}, {"id": 748460544, "item_id": 46778784, "url": "https://news.ycombinator.com/item?id=46778784", "by": "mschuster91", "date": "2026-01-27", "version": null, "stance": "recommend", "quote": "Personally, I just went and installed OpenCore once and that's it.", "excerpt": "> I don't really care what Apple does on this regard, they were always doing things differently. IIRC, even Macs that supported EFI, only supported EFI 1.1, not 2.0, no? Yup, but as long as you got an original Apple GPU that's enough to just stick a Windows or Linux USB stick and you can install straight from the stick. \"Normal\" PCI GPUs have to be reflashed with a GOP blob [1] so that Apple's EFI implementation can ", "context": "", "use_case": "Booting other OSes on Macs", "switched_from": "", "story": "Fedora Asahi Remix is now working on Apple M3"}]}