GraphicConverter 10.6.5 is now available with this feature when running in Mojave. A beta of GraphicConverter arrived soon after, and we went back and forth a few times before he figured out both the image requirements and the necessary metadata to make it all work. When I pointed out that the Dynamic Desktop feature seemed to be a relatively simple collection of images, Thorsten promised to look into it more. Not just any expert, but the guru of image conversions and author of GraphicConverter, Thorsten Lemke. I played briefly with trying to duplicate Apple’s file and replace the images, but those experiments proved fruitless, so I turned to an expert. HEIC is the filename extension for High Efficiency Image File Format, which is an image container format-for more details, see Glenn Fleishman’s “ HEVC and HEIF Will Make Video and Photos More Efficient” (30 June 2017). I double-clicked one and it opened in Preview, showing that the main HEIC file was, in fact, a container for 16 individual HEIC images. A quick trip to /Library/Desktop Pictures revealed that Mojave’s two dynamic desktops-called “Mojave” and “Solar Gradients”-were HEIC files instead of JPEGs. #1681: Take Control Books 20th anniversary, USB-C Apple Pencil, Kini motion detector monitors access, topical social spacesĪt some point during the betas of macOS 10.14 Mojave, I became curious about what was behind Mojave’s new Dynamic Desktop feature that slowly changes the desktop picture throughout the day.#1682: Apple’s “Scary Fast” announcement, X.1 updates to 2023 OS versions, Microsoft Word’s 40th anniversary, 5G wireless Internet.#1683: New M3 chips in updated MacBook Pros and iMac, record Apple Q4 profits on lower revenues, no more 27-inch iMacs. ![]()
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