Issues

• Non-default animationSpeed drops the displayed frame rate to 30 Hz on ProMotion devices (Core Animation engine)

  airbnb/lottie-ios#2706 · Filter by author sashakid opened on Sep 26, 2026

• Xcode 27.1 archive fails to resolve Lottie module for arm64e.x1

  airbnb/lottie-ios#2705 · Filter by author GioPalusa opened on Sep 21, 2026

• Under the configuration below, Main Thread and Core Animation exhibit different behaviors.

  airbnb/lottie-ios#2672 · Filter by author sunbohong opened on Mar 31, 2026

• CoreAnimation rendering engine does not display all animation

  airbnb/lottie-ios#2668 · Filter by author jeromefami08 opened on Mar 19, 2026

• Crash: Double-free in AnimationContext when removing animations (Core Animation engine)

  airbnb/lottie-ios#2628 · Filter by author ed-huang-jp opened on Dec 3, 2025

• CALayerInvalidGeometry with iOS 26 and Pro Max Devices

  bug
  airbnb/lottie-ios#2624 · Filter by author kiancheong opened on Dec 2, 2025
  12

• Custom font display is incomplete

  airbnb/lottie-ios#2609 · Filter by author zou145688zhuang opened on Oct 21, 2025
  1

• 🐛 Bug：iOS 上带渐变填充的图层不遵循父子关系

  Core Animation rendering engine
  airbnb/lottie-ios#2607 · Filter by author yushuyi opened on Oct 15, 2025
  1

• Gradient not rendering properly (but works in LottieFiles, etc)

  airbnb/lottie-ios#2596 · Filter by author freak4pc opened on Aug 23, 2025

• Different easing curves for x-axis and y-axis in layer scaling animation

  airbnb/lottie-ios#2594 · Filter by author BokunoMasayume opened on Aug 21, 2025

• Is it necessary to change the loading of UIImage to asynchronous in order to reduce stuck?

  airbnb/lottie-ios#2578 · Filter by author iwenan opened on Jul 4, 2025
  4

• bug crash

  airbnb/lottie-ios#2573 · Filter by author biqinglin opened on Jun 10, 2025

• [SwiftUI] Image does not stretch to fill parent view width

  airbnb/lottie-ios#2571 · Filter by author phuanggh opened on Jun 6, 2025
  4

• Potential regression? After upgrade to newest version of Lottie, some of my previous json files fail to play.

  Core Animation rendering engine
  airbnb/lottie-ios#2570 · Filter by author maxpoi opened on Jun 4, 2025
  2

• Text displacement in some languages.

  airbnb/lottie-ios#2569 · Filter by author sam880222 opened on Jun 2, 2025
  1

• Last frame of animation is missing

  airbnb/lottie-ios#2549 · Filter by author ihsan01061999 opened on Mar 26, 2025
  8

• Lottie Animation Render Different from expect

  airbnb/lottie-ios#2548 · Filter by author sapphirezzz opened on Mar 24, 2025

• Lottie Animation Not Rendering on iOS 18

  airbnb/lottie-ios#2546 · Filter by author ViktoriaSaklakova opened on Mar 18, 2025

• Add support for IANA approved mime-type "video/lottie+json" and extension ".lot"

  Feature Request
  airbnb/lottie-ios#2537 · Filter by author kudanai opened on Feb 19, 2025
  1

• Shadow not getting rendered

  airbnb/lottie-ios#2533 · Filter by author kirti-swiggy opened on Feb 7, 2025
  9

• Problem with animation on moving from .mainThread to .coreAnimation

  Core Animation rendering engine
  airbnb/lottie-ios#2527 · Filter by author afox-ynap opened on Jan 27, 2025
  5

• 动画跟不上!

  airbnb/lottie-ios#2502 · Filter by author syqaxldy opened on Nov 21, 2024
  1

• Please move to the latest version of ZIPFoundation to arrest a security vulnerability

  airbnb/lottie-ios#2494 · Filter by author harishramu opened on Oct 23, 2024
  1

• Animation Frame appears unexpectedly and freezes app

  airbnb/lottie-ios#2493 · Filter by author Mattheisen opened on Oct 22, 2024
  5

• Unexpected Animation result

  Core Animation rendering engine
  airbnb/lottie-ios#2479 · Filter by author heyboxzhwei opened on Sep 14, 2024