NEW FEATURES: * RAW v9: Nitro now supports Apple's new RAW decoder (requires macOS 27, iOS 27, or iPadOS 27). * You can write captions in both the file system (XMP) and Photo Library. Photo Library captions require OS 27. * You can add keywords to the Photo Library on OS 27. * Support storing and reading ratings in the Photo Library when running OS 27. Because you may have existing ratings in Nitro, Nitro will detect when ratings are out of sync and help you resolve the issue. USABILITY: * Rearranged the Info Panel to improve readability and support editable captions. * Add Show Subfolders to the menu bar on the Mac. * Add "Unrated" to the list of filters that are easy to make (Quick Filter and in the menus). * Add alert when clicking the trash button in the window. If you hold down the option key on the Mac, it will not alert you. * Add preference to hide tool overlays. This does not affect point pickers like HSL Target mode, White Balance and Curves. * Add preference when single tapping on the image. On iOS, the default is to hide all panels. On macOS, the default is to do nothing. * Increase range of the RAW Sharpen and RAW Contrast sliders to improve their usefulness. BUG FIXES: * Work around OS bug when masking RAW images, in which the masked area would be rendered incorrectly when the same adjustment was used in both the mask and in the global sliders. * Fix bugs with color range masks on iPhone - now setting up a mask and picking the color works properly. * Fix Follow Edges for brushing when perspective has been applied. * Add preference to let people decide if ratings are synced to the Photo Library (it used to only be in the rating sync dialog box). * Fix bug with keywords, where the app would sometimes write the keywords to the wrong image. * Fix bug with Single File Editor showing the wrong buttons on the right side. * iOS 27 broke Move to Trash, so the error is detected, and the app will offer to delete the item immediately. * Fix bugs with key repeat and speed it up too. * Fix bug on iPhone when masking - the masking options in landscape screen orientation could not be scrolled so they were not accessible. * Fix bug where edits would not be saved if you had a filter for rating and changed the rating so that the image disappeared from view. * Fix bug where XMP files could be deleted when using Revert to Original, even if the preference to not delete them was set. CAMERA SUPPORT: * GoPro Mission 1

* Support for Sony RX10 V. * Fix bug with Recover Highlights where the slider values would not be remembered * Fix bug when scrolling the grid where the image was sometimes also selected. * Work around bug in macOS when reordering keywords. * Work around bug in macOS when exporting. * Work around bug in macOS when reordering adjustments.

Fix crash with AI Eraser on iPhones when used in portrait screen orientation.

NEW FEATURES * The masking interface is easier to use and much more powerful. * Masks can be disabled and rearranged. * Create Luminance or Color Range Masks directly. * Feather any mask, including AI Subject masks and luminance/color masks. * Add or subtract an AI mask from a linear or radial gradient mask. * Control the threshold when using the edge-following brush. * Bracket keys ( ‘]’ and ‘[‘ ) change the brush parameters. Shift-] adjusts softness, Option-] adjusts strength. * Improvements to masking overlay management. * More on-screen controls for gradients, including shift-key to constrain. * Brushes have both Flow and Strength, and strokes overlap more naturally. * See the help, which includes a detailed video on the new features. BUG FIXES * Fix bug where RAW Tuning sometimes appeared without any sliders. * Fix bug when exporting originals when the image was edited with an app other than Nitro. * Show a message when a camera preset is applied. * Fix bug on iPhone when rotating with keywords visible. * Fix bug when using the numeric text fields on Mac to change adjustment parameters. * When using straighten tool, include any existing straightening in the calculation, so you can combine the slider and the tool now. * Add support for Sony A7R VI. * Fix hang when deleting images from external drives. * Fix issues with perspective and masking. * Improve undo in Edit mode. * Improve support for smaller screens and windows. * Fix several crashes. * Fix bug when scrolling editing panel.

NEW FEATURES * The masking interface is easier to use and much more powerful. * Masks can be disabled and rearranged. * Create Luminance or Color Range Masks directly. * Feather any mask, including AI Subject masks and luminance/color masks. * Add or subtract an AI mask from a linear or radial gradient mask. * Control the threshold when using the edge-following brush. * Bracket keys ( ‘]’ and ‘[‘ ) change the brush parameters. Shift-] adjusts softness, Option-] adjusts strength. * Improvements to masking overlay management. * More on-screen controls for gradients, including shift-key to constrain. * Brushes have both Flow and Strength, and strokes overlap more naturally. * See the help, which includes a detailed video on the new features. BUG FIXES * Fix bug where RAW Tuning sometimes appeared without any sliders. * Fix bug when exporting originals when the image was edited with an app other than Nitro. * Show a message when a camera preset is applied. * Fix bug on iPhone when rotating with keywords visible. * Fix bug when using the numeric text fields on Mac to change adjustment parameters. * When using straighten tool, include any existing straightening in the calculation, so you can combine the slider and the tool now. * Add support for Sony A7R VI. * Fix hang when deleting images from external drives. * Fix issues with perspective and masking. * Improve undo in Edit mode. * Improve support for smaller screens and windows. * Fix several crashes.

USABILITY AND PERFORMANCE * Improve performance when arrowing through images especially outside of Edit. * Improve performance of metadata display and Exif display. * Arrowing through images now scrolls to keep the next image visible to provide better context. * Thumbnail size icons in the grid have been updated. * Split Toning color circles now scale up when the panel is wider. * ExifTool now runs on a background thread for better responsiveness. * Right-click (Mac) or tap and hold (iPhone/iPad) on the Info or ExifTool panel to change the font size. * You can now drag multiple items from the grid to the Photo Library sidebar. * Drag and drop in the Photo Library on Mac will display multiple small thumbnails to make it easier to use. * Watermark and Border setup options have moved into their respective export popups. * iPhone/iPad: the file name and date are now shown at the top of the screen. * iPhone: the Edit button is now an icon to give more room for the file name. * Curves pop-out on iPhone has been improved — the curve and image are larger and the layout is cleaner. * In vertical orientation on iPhone, the Curves panel gives more space to the curve itself, and the In/Out controls can be hidden. * Keyword filtering is now significantly faster. * You can now zoom past 100% on tightly cropped images. * Reduce memory use. BUG FIXES * Fixed: masks on RAW images were incorrectly positioned after applying perspective correction. * Fixed: adding an image to a file system folder placed it in the wrong position in the grid when sorted by File Creation Date. * Fixed: pressing two arrow keys at the same time would cause repeated keypresses and could not be cancelled. * Fixed: a color profile was incorrectly shown for RAW images, which do not have one. * Fixed: the histogram would sometimes not update while zoomed in. * Fixed: filtering in grid view did not always indicate the item number correctly. * Fixed: purchase status was not correctly reported when both a lifetime purchase and subscription were active. * Fixed: changes to the Photo Library did not always update the sidebar. * Fixed: sometimes when arrowing in Edit, a previous image would appear briefly. * Fixed: sometimes ISO was not written out during export. * Other fixes and improvements.

2026.4: Fixed a bug with portrait orientation images being incorrectly rotated. 2026.3 NEW FEATURES: * Combined Crop and Perspective: Crop, Perspective, and Straighten are now together in one place, making perspective correction much easier. The interface has been redesigned to give you more screen space on iPhones, and Presets and Copy/Paste are shared across both Crop and Perspective. * Advanced Perspective Tool: Tackling complex perspective distortion is now a lot more powerful — simply draw a rectangle or a pair of horizontal or vertical lines to correct it. You can also combine the new tool with the existing slider-based controls, and even stretch the image to fix aspect ratio issues. Best of all, the new tool keeps much more of your image visible while you work. * Duplicate Image: You can now duplicate images whether they're stored in the File System or Photo Library. * Multiple Watermarks: You can now create and manage more than one watermark to suit different needs. USABILITY: * The grid now shows you which item number you're currently viewing, so it's easier to keep your place. * Press the Space bar to quickly jump between the Grid and Viewer. Prefer to use it for zooming instead? There's a new preference to make that switch. * You can now search for images with no keywords, or for images that have any keywords at all. * White Balance now displays the color temperature of each built-in preset. * Press and hold the arrow keys for faster navigation. BUG FIXES AND IMPROVEMENTS: * Fixed an issue where the left sidebar wasn't expanding and collapsing the right item in some situations. * Fixed three crashes. * Fixed an issue in Crop and other tools where the app could unexpectedly switch to a different image. * Fixed a scrolling issue in the grid that could feel like it was working against you. * Fixed the Duplicate + Invert command when used with gradient masks. * Fixed an issue with window restoration. * Performance improvements for the grid and histogram. * Added buttons in Settings to clear the Nitro internal databases if needed. * When resetting adjustments for a RAW+JPEG pair, the app now remembers which file of the pair you were working on. * The software keyboard on iPads and iPhones no longer covers the active text field. * Added support for the GoPro Hero 11 Black and Hero 12 Black. * Fixed an issue where the Replace Edits setting wasn't being remembered. * Fixed an issue where keywords weren't always saved when going directly to Edit from Keywords. * Various other fixes and improvements.

NEW FEATURES: * Combined Crop and Perspective: Crop, Perspective, and Straighten are now together in one place, making perspective correction much easier. The interface has been redesigned to give you more screen space on iPhones, and Presets and Copy/Paste are shared across both Crop and Perspective. * Advanced Perspective Tool: Tackling complex perspective distortion is now a lot more powerful — simply draw a rectangle or a pair of horizontal or vertical lines to correct it. You can also combine the new tool with the existing slider-based controls, and even stretch the image to fix aspect ratio issues. Best of all, the new tool keeps much more of your image visible while you work. * Duplicate Image: You can now duplicate images whether they're stored in the File System or Photo Library. * Multiple Watermarks: You can now create and manage more than one watermark to suit different needs. USABILITY: * The grid now shows you which item number you're currently viewing, so it's easier to keep your place. * Press the Space bar to quickly jump between the Grid and Viewer. Prefer to use it for zooming instead? There's a new preference to make that switch. * You can now search for images with no keywords, or for images that have any keywords at all. * White Balance now displays the color temperature of each built-in preset. * Press and hold the arrow keys for faster navigation. BUG FIXES AND IMPROVEMENTS: * Fixed an issue where the left sidebar wasn't expanding and collapsing the right item in some situations. * Fixed three crashes. * Fixed an issue in Crop and other tools where the app could unexpectedly switch to a different image. * Fixed a scrolling issue in the grid that could feel like it was working against you. * Fixed the Duplicate + Invert command when used with gradient masks. * Fixed an issue with window restoration. * Performance improvements for the grid and histogram. * Added buttons in Settings to clear the Nitro internal databases if needed. * When resetting adjustments for a RAW+JPEG pair, the app now remembers which file of the pair you were working on. * The software keyboard on iPads and iPhones no longer covers the active text field. * Added support for the GoPro Hero 11 Black and Hero 12 Black. * Fixed an issue where the Replace Edits setting wasn't being remembered. * Fixed an issue where keywords weren't always saved when going directly to Edit from Keywords. * Various other fixes and improvements.

NEW FEATURES: * Eraser: A new Quick Fix that removes small- to medium-sized objects using Generative AI.  * The Clarity slider now can be used to soften images as well as sharpen them. * Open in Apple Maps. * Add to Album from the contextual menu. * Edit with External Editor improvements. BUG FIXES AND IMPROVEMENTS * Support for Nikon ZR. * Fix bugs with the iOS numeric keypad when commas are the decimal separator. * Fix bug that occasionally caused a black vertical line to appear for some images and screens. * Add “Neither” to Quick Filter Flagging options (neither = not flagged and not rejected). * Change "Compression" to "Quality" in Export and provide some tips on sizes. * Fix bugs with mask overlays. * Improve appearance of thumbnail images when switching modes. * Add numeric entry controller for LUT Intensity on iOS. * New app icons. * Fix crashes. * Other fixes and improvements.

BUG FIXES * Fix issues with Date / Time displays for Photo Library images. * Fix crashes with the filtering interface. * Fix issues with some Fujifilm cameras on macOS / iOS 26.2. CAMERA SUPPORT * Support for Sony A7 V (uncompressed and lossless compressed RAW). * Support for Fujifilm M-RAW format and Samsung Lossy Compressed RAW. * Support for Nikon ZR RAW, including HE/HE*.

Update for latest App Store requirements.

* Add preference to reverse the direction of scroll wheel zooming. * Fix bugs with capture dates in export and info. * Fix bug with Curves sometimes drawing on top of other adjustments. * Fix bugs with deleting images from servers. * Fix crashes. * Fix issue in zoom where neighboring images would sometimes appear while panning the image. * Fix issue with large accessibility font sizes and the brushing interface.

CAMERA SUPPORT * Support for Panasonic TZ-99 and Sony ZV-1A. BUG FIXES: * Fix bug with the editing interface disappearing out of view after masking. * Improve file system loading performance. * Fix rare crash when loading file tags.

NEW FEATURES: * Improved RAW Decode and Lens Correction for Fujifilm Compressed and Nikon HE/HE* files. * Dynamic Range in Fujifilm Compressed is now supported. _Note: You may need to reset exposure or curves for any Fujifilm images with Dynamic Range you have previously edited._ CAMERA SUPPORT * Support for 14-bit Olympus RAW images and 12-bit and 14-bit Pixel Shift files. * Olympus OM-5 Mark II, Nikon Z5 Mark II and Z50 Mark II, Sony RX1R III. BUG FIXES: * AI Keywords do not include keywords that begin with a tilde (~). * Fix bug when loading videos.

NEW FEATURES: * Improved RAW Decode and Lens Correction for Fujifilm Compressed and Nikon HE/HE* files. * Dynamic Range in Fujifilm Compressed is now supported. _Note: You may need to reset exposure or curves for any Fujifilm images with Dynamic Range you have previously edited._ CAMERA SUPPORT * Support for 14-bit Olympus RAW images and 12-bit and 14-bit Pixel Shift files. * Olympus OM-5 Mark II, Nikon Z5 Mark II and Z50 Mark II, Sony RX1R III. BUG FIXES: * AI Keywords do not include keywords that begin with a tilde (~).

NEW FEATURE: * View and Edit Lens Correction Database (Image menu for macOS, Settings for iOS) BUG FIXES: * Greatly improve non-English keyword lists * Fix bugs when saving keywords to XMP files * Fix bugs when writing capture dates to exported files * Fix bugs with detecting RAW+JPEG images in the Photo Library.

# NEW FEATURES * Keywords: * Add New Keyword * File System: read, modify, filter, and export keywords * Photo Library: read, filter, make smart albums * Please watch the video (https://www.youtube.com/watch?v=XPY2_H5rVSE) * The feature supports hierarchical keywords, batch keywords, auto-complete, favorites, multiple keyword lists, and more. * AI-based automatic keywording * When exporting originals from Photo Library, copy keywords to XMP. * Bottom of the grid view now has buttons to increase and decrease thumbnail size. # USABILITY: * The Info panel now fully scrolls * Added "Toggle Overlay" command for masking with shortcut key * Reveal the last used preset or LUT automatically # CAMERAS: * Fujifilm GFX100RF, Panasonic S1R Mark II, Sony A1 Mark II # BUG FIXES: * Fix bug where camera presets would disappear. * add UK English for some strings * Mac: Updated version of ExifTool * Fix appearance of Hi-Res E-M1 Mark III images * Fix two crashes. * Fix Levels so that the midpoint automaticaly moves when moving black or white controls * Improve performance when exporting originals from file system to the Photo Library, when the Photo Library is large. * Improve user experience with Borders and Watermarks and fix bugs picking colors in those interfaces. * Bug: If you are in n-up or compare mode, the menu item to switch to One-Up did not work. * Fix hang when exporting a video from the file system to the Photo Library. * Fix bug exporting originals with metadata - if the file only had a rating or a flag, it would not write the XMP file. * Mac: Fix bug with Edit with External Editor - if you sent the original, you cannot export after that without quitting / relaunching. * Fix bug with export to photo library (making a new image) - if you hit cancel in the photo library picker, it would not allow future exports.

New Features: * Borders - set up through Export. You can create multiple borders and choose the one you want in the Export UI. * Export to shorter edge. * Filter by Keyword when using the File System. * Support for Fujifilm X-M5, Nikon Z50 II, OM Digital OM-3, Panasonic DC-GX880 and DC-S5D. Usability and Performance: * Improve performance when editing JPEGs on iOS 18 devices. * Add Zoom to 200, 300, 400% * Preference for snapping sliders near zero. * Preference for tighter zoom levels (10%) below 100% * Info now has a segmented control to make map and metadata fit better on smaller screens. * macOS: when deleting a file that is stored on a server, provide a delete confirmation dialog instead of an error. Miscellaneous: * File System Keywords now update in the UI when the XMP file changes. * Improve Appearance of Linear and Radial gradients. * Improve selection of images in N-Up. * Fix bug where brush strokes are offset if you straighten an image but do not also apply a crop to it. * Fix for blurry images that have been cropped. * Improve quality of fringe reduction in Chromatic Aberration.

* Fix bug in version 2025.1 with showing folder disclosure triangles.

New Features: * Batch Auto Enhance - using the Batch menu on iOS and via the menus on Mac. * Duplicate Mask and Duplicate + Invert Mask. * New Auto Black in Levels and Curves with a setting to switch back to the old algorithm. * Option to show photo counts for albums in the photo library - You can turn this on in Settings * Add Sort options for the sidebar. Usability: * iOS: when brushing and zoomed in, you can now use the trackpad to pan around the image. * Add Flag and Favorite commands to the Batch menu on iOS, and also to the contextual menu (iOS and Mac) * Do not show a disclosure control for empty folders in file system and photo library * Mac: Add more commands to the Image menu when in Edit * Add Copy Edits, Copy Special, and some other commands to the contextual menu when in Edit * Add Switch R/J to the contextual menu in Edit (and to the Image menu on Mac). * Show status bar on iPhone in portrait screen orientation. * Do not enable Show Original unless you are in Edit and fix some cases where Show Original got “stuck” Miscellaneous: * Improved Auto Enhance algorithm with less vibrancy and better handling of overexposed images. * Fix several bugs with window preservation on Mac. * Fix a lot of bugs with Crop, especially for images that are rotated by the user. * Enable the Origin and Size fields for crop * Fix bugs when brushing while zoomed in. * Improve adjustment performance in some cases when in zoom. * macOS 15.2 broke tagging for files in iCloud Drive. I have implemented a workaround. * Fix various bugs with sampling colors and hues when the image is cropped. * Fix: when in zoom and the image is cropped, if you move the sliders, the image would sometimes become blurry. * Major performance improvement when rating a lot of images in the file system. * Turning off standard raw development now also turns off Apple lens correction * Fix two crashes. * Many bug fixes.

New Features: * New Preference for RAW+JPEG Editing. You can choose if the default is to edit the RAW or the JPEG. * New Preferences for Crop: You can set a preference to remember the last crop and apply it (just the aspect ratio or freeform). You can also set a preference to rotate the crop automatically as well. Usability: * Simplify the Crop interface - if you are not in the crop tool, then the adjustment is smaller with just tools and a straighten slider. * On iOS, the Presets and LUTs use a menu button instead of a row of icon buttons * Tool Overlays now have a close box so you can close them if they are in the way. * Add a new sort option of "Date Added" which matches the sort order that Photos uses. * Rename Spot / Wire Removal to Spot / Line Removal to better describe what it can do. * Add preference to make tabbed windows the default Miscellaneous: * Fix crashes * Mac: when editing a single file, the app will detect if it does not have sufficient privileges to write an XMP file. If so, it will alert and prompt with instructions. * Mac: fix bug where Export would not work if you cancelled at a specific point in the process. * Fix metadata issues with Leica cameras. * Fix a bug with Settings where the Photo Library Color Profile setting was not displayed properly. * Fix bugs with single file editing.

New Features: * Left-Side Editing Controls: You can now put the editing controls on the left side of the window. This is controlled in the app’s Settings interface * If you zoom into a RAW image, and the app is only showing a JPEG preview, it will now decode the RAW. Usability: * Crop has many improvements, especially when cropping straightened images. * Straighten now has a range of +/- 45 degrees. Added new crop aspect ratios and changed the hot keys for flip vertical and flip horizontal to Option-Shift-V and Option-Shift-H, respectively. * If you have a scroll-wheel mouse, then in the filmstrip, scrolling will move left and right. * Added a menu item (Mac and iPad) for Highlight Hot and Cold Pixels, with shortcut key (Cmd-Shift-Option-H). * On iOS, you can now tap on a preset a second time to undo it. This was already working on the Mac. * Added more items to the filmstrip’s contextual menu. These appear when you right click on an image that is NOT being currently edited. * Space bar will now play and pause videos (the space bar works once the video is fully loaded, not immediately upon going to the video). * On iOS, swiping down in the middle of the viewer will return to the grid. Miscellaneous: * Added iOS 18-style tinted and dark icons * Support for Canon R1, Canon R5 Mark II, Nikon Z6 III, and Panasonic GH7 * When showing subfolder contents, make sure the folder contents appear in the same order as in the sidebar. * The lens model and ISO are now written to exported files. * The Quick Filter interface has more options and there is now a Clear Filter command there as well. * Fix a bug with undo when creating a gradient and then moving it. * Previously badges would be suppressed when the thumbnails were small. Now the app will try to show more badges. * Fix flashing of the editing icons in iPhone vertical editing mode. * Improve decode of Olympus OM-1 Mark II. * Fix bugs with undo and redo with Clone and Spot / Wire removal. * Increase range of Tint slider to +/- 175. * Tons of other fixes and improvements, including fixes for top crashes.

* If you turn off "Synchronize Pan" in N-Up, then the app will also not synchronize zoom. * Quick Filter now has a Filter… menu item. * You can now overwrite a preset by using the same name (the app will warn you). * Improve appearance of Settings interface * Fix bug where Adjustment Order did not work in Photo Extension on iPhone. * Add About Box * Improve layout of Auto Enhance * When rotating the device, retain the scroll position * Fix crash with Spot Removal in certain cases when saving edits. * Improve experience when arrowing in Edit, especially with the Photo Library. * Additional Camera Support: * Fujifilm X-T50 and GFX100S II * Hasselblad X2D 100C (FFF format). * Nikon Z 30 * Panasonic G9 Mark II and G100D * Pentax K1 Mark II. * Fix other crashes and various other improvements

* Improve display of extended RAW images in the Photo Library when not in Edit * Decrease white balance minimum to 1000.0 to handle more extreme cases (such as Infrared) * Add support for OM Digital TG-7 and Samsung NX1 * Mask ranges (luminance, color, intensity) were not rendered correctly after leaving edit. Improve quality of color range filter. * Camera Presets can now be created when using the file system * Fix localization of “Tone Map” in German and Chinese. * Photo Library Saving - rename slider to Image Quality and set the minimum compression to 0.75. * Add link to Core Editing Tools video to the app's help. * When moving images to the trash, disable the Trash button so it's clear that there is an action going on. * You can view purchasing options from Settings. * Arrow up / arrow down no longer jump to the beginning or end of the filmstrip. Use Command-Up and Command-Down. * Fix bugs with Date filtering. The start date is now the start of the day and the end date is now the end of that day, so to filter for a single day, use the same date for each field. * Improve decode quality of GFX100 II * Add Reveal in Files.app * Improve legibility of the Large Curve * Many other changes and improvements.

* Improve display of extended RAW images in the Photo Library when not in Edit * Decrease white balance minimum to 1000.0 to handle more extreme cases (such as Infrared) * Add support for OM Digital TG-7 and Samsung NX1 * Mask ranges (luminance, color, intensity) were not rendered correctly after leaving edit. Improve quality of color range filter. * Camera Presets can now be created when using the file system * Fix localization of “Tone Map” in German and Chinese. * Photo Library Saving - rename slider to Image Quality and set the minimum compression to 0.75. * Add link to Core Editing Tools video to the app's help. * When moving images to the trash, disable the Trash button so it's clear that there is an action going on. * You can view purchasing options from Settings. * Arrow up / arrow down no longer jump to the beginning or end of the filmstrip. Use Command-Up and Command-Down. * Fix bugs with Date filtering. The start date is now the start of the day and the end date is now the end of that day, so to filter for a single day, use the same date for each field. * Improve decode quality of GFX100 II * Add Reveal in Files.app * Improve legibility of the Large Curve * Many other changes and improvements.