June 2021 release (version 4.3)

• Error message received that "Original photos must be sycned" when photos are successfully synced
• Mouse cursor position overrides the selected text field (Windows Only)
• Resetting Geometry settings does not remove previously placed Guided Upright Tool guides

March 2021 release (version 4.2)

• Lightroom freezes while pasting settings on multiple photos before completing.
• Import view focus should remain in the selected target album.
• Restore 16 X 10 crop ratio.

December 2020 release (version 4.1)

• Clicking on the map in the Info view fails to open the browser.
• Unable to edit CR3 files when Store Smart Previews Locally is checked.
• Exporting a photo from Lightroom creates duplicates when saving.

October 2020 release (version 4.0)

• Syncing Issues when Originals are stored on a NAS.
• Export creates duplicates when saving.
  
• Moving to the next photo clears previous photo edits.
  
• Copy and paste overwrite Selective Adjustments.

August 2020 release (version 3.4)

• [macOS] Magenta cast on thumbnails or on exported images.
  
• [macOS] Missing Lens Profiles from thumbnails or exported images.
  
• Storage full error when the location for originals is on NAS.

June 2020 release (version 3.3)

• [Windows] Photos appear after a long delay in Lightroom.
  
• Lightroom crashes while trying to edit photos.
  
• Nikon Z6 camera profiles missing after updating to Lightroom 3.2.
  
• Edits made in Lightroom are lost after some time.
  

December 2019 release (version 3.1)

• Unable to edit the value for Split Tone.

November 2019 release (version 3.0)

• Searching for words with French special characters does not work as expected.
• [Win only] Error Could not run script: OrganizeModuleFactory.lua while launching Lightroom.

September 2019 release (version 2.4.1)

• Setting Sharpening slider to default (40) disables other sliders in Sharpening and Noise Reduction.

August 2019 release (version 2.4)

• Merge doesn't complete when invoked on stacked images
  
• [Swedish] Rating Shortcuts Open Panels
• Photo merge hangs if custom scale factor of 130% is used in Windows display settings
• Hovering on image after hovering on profile fails to update after hovering on profile a second time
• Time Zone Changed After Pano Merge

May 2019 release (version 2.3)

• Swipe gestures for ratings and flags do not work correctly on Windows Touch Screen.
• Error "Sorry, something went wrong. This is likely an issue at our end, but it could be that you're not connected to the internet. Please check your internet connection and then try again later." appears while trying to launch Lightroom.
  
• Lightroom crashes on launch while trying to initialize Enhance Details.
  
• Capture time of Photo Merge is not correct, if the capture time of source images has been edited.
  
• Setting a title for web gallery in Lightroom changes the album name and does not update the title of the web gallery in Lightroom web.
  
• Applying Enhance Details on an image results in a black image.
  
• Scrolling thorough a grid is very slow on macOS after upgrading to Mojave.
  
• Exporting a raw file as Original + Settings does not export the XMP.
  
• iPhone slo-mo video playback stutters or out of sync with audio.
  
• Fixed issues with video cache

February 2019 release (version 2.2)

• Loss of Creative Cloud license when there is weak or no internet connection.
• Search folder and album names with auto-complete search suggestions
• Identify ad-hoc images
• (Windows only) Right click one of the sliders in Local Adjustment Tools throws an error message
• Nikon Z6 raw files are rendered incorrectly with a magenta color in White Balance
• The cover photo of named People cluster loses face information after migration from Lightroom Classic

November 2018 release (version 2.0.2)

• (Mac-only) Help isn't available when you select Lightroom CC Help from the Help menu or press fn F1.
• Fixed an issue that caused the app to crash repeatedly at launch.

October 2018 release (version 2.0)

• Manual Lens distortion corrections do not Copy and Paste
• Lightroom detects image scans with the same filename as duplicates
• Left and Right arrow keys not working within the Stack filmstrip
• Applied filters are reset when you move to a different album
  
• Legacy profiles group not appearing in the Profile Browser when enabled under Manage Profiles

Lightroom for mobile (iOS and Android)

March 2021 release (version 6.2)

• (iOS) Error T20200121

August 2020 release (versions 5.4)

• (iOS) Noise reduction is not applied when exporting images for Largest Available Dimension.
• (Android) Photos that are taken with Lightroom for mobile do not sync with Lightroom Classic.

November 2019 release (versions 5.0)

• (iOS) Photos which are not captured with Lightroom for mobile camera appear in the 'Lightroom Camera Roll' folder
• (iOS) Copy and Paste settings include HSL when it is not selected in the Copy Settings dialog
• (iOS) Transparent areas of TIF, PSD, and, PNG display a gray color instead of white
• (iOS) Edits are lost

September 2019 releases (versions 4.4.1)

• (iOS) Presets with Radial Filter and Range Mask do not work with Adobe Camera Raw 11.4
• (iOS) Downloaded album shows pending download after some assets are deleted and then restored from Lightroom on the web or from another device.

August 2019 releases (versions 4.4)

• (iOS) Hang when tapping on Faceted Filter button
• (iOS) Portrait Mode Only - Shared Album Copy to Clipboard fails to bring up share sheet
• (iOS) Paste Settings always deletes healing brushes (even if "Tools->healing" is not selected)

October 2018 releases (versions 4.0)

• (iOS) Lightroom mobile not saving some of the HDR images captured using the in-app camera
• (iOS and Android) Images imported in Lightroom Classic with Auto-Tone applied and then synced to Lightroom mobile have basic edit controls (such as Exposure, Contrast, Highlights) set at full negative values for some images
• (Android) Fixed an issue that caused the app to crash
• (Android) Fixed an issue where all edits were not copied, resulting in the pasted settings not matching the source photo