# Discussion **URL:** https://community.ultralytics.com/c/discuss/4.md?page=1 [Latest](https://community.ultralytics.com/latest.md) · [Categories](https://community.ultralytics.com/categories.md) · [Tags](https://community.ultralytics.com/tags.md) **Page:** 2 --- ## [New Release: Ultralytics v8.4.147](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-147/2215)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [September 11, 2026, 1:09pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-147/2215 "2026-09-11T13:09:39Z")
:rocket: Ultralytics v8.4.147: Grayscale Preprocessing, Better SAM Generation, and Stronger Tooling Ultralytics v8.4.147 is now available! This release expands Albumentations preprocessing to grayscale images, improves S… --- ## [New Release: Ultralytics v8.4.146](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-146/2214)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [September 10, 2026, 1:09pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-146/2214 "2026-09-10T13:09:46Z")
:rocket: Ultralytics v8.4.146 Released Ultralytics v8.4.146 improves RT-DETR reliability for small and dynamic inputs, strengthens cross-device export portability, fixes FP16 embedded-NMS workflows, and refreshes GPU con… --- ## [yolo26 seg merge depth detect](https://community.ultralytics.com/t/yolo26-seg-merge-depth-detect/2200)
**Author:** [@korol](https://community.ultralytics.com/u/korol)\ **Replies:** 3\ **Last updated:** [September 10, 2026, 12:59am UTC](https://community.ultralytics.com/t/yolo26-seg-merge-depth-detect/2200 "2026-09-10T00:59:07Z")
I recently combined YOLO26’s segmentation detection with depth detection, using the same backbone network for both and splitting it into two different task heads. A single inference outputs both segmentation and depth in… --- ## [New Release: Ultralytics v8.4.145](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-145/2209)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [September 9, 2026, 1:09pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-145/2209 "2026-09-09T13:09:34Z")
:rocket: Ultralytics v8.4.145 Released Ultralytics v8.4.145 improves Platform login reliability by ensuring authentication and connection failures return a non-zero exit status. This makes yolo login and ul login safer a… --- ## [New Release: Ultralytics v8.4.143](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-143/2208)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [September 8, 2026, 1:10pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-143/2208 "2026-09-08T13:10:55Z")
:rocket: Ultralytics v8.4.143: INT8 QAT for YOLO26, Better Metrics, and Smoother Deployment Ultralytics v8.4.143 is now available! This release introduces INT8 quantization-aware training for YOLO26, adds per-class AP75 … --- ## [New Release: Ultralytics v8.4.142](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-142/2207)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [September 6, 2026, 1:08pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-142/2207 "2026-09-06T13:08:12Z")
:rocket: Ultralytics v8.4.142 Is Here! Ultralytics v8.4.142 delivers a simpler, unified nms API for inference and export, fairer cross-format benchmarks, improved deployment guidance, and a fix for resuming training with… --- ## [New Release: Ultralytics v8.4.140](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-140/2206)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [September 5, 2026, 1:08pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-140/2206 "2026-09-05T13:08:14Z")
:rocket: Ultralytics v8.4.140 Released Ultralytics v8.4.140 improves training reliability, preserves model state across key workflows, and fixes grayscale TIFF channel handling for YOLO26 segmentation. This release also … --- ## [New Release: Ultralytics v8.4.138](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-138/2203)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [September 2, 2026, 1:10pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-138/2203 "2026-09-02T13:10:35Z")
:rocket: Ultralytics v8.4.138: Stronger Compatibility, Stability, and Performance Ultralytics v8.4.138 is now available! :glowing\_star: This stability-focused release restores compatibility with legacy checkpoints, fixes… --- ## [New Release: Ultralytics v8.4.137](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-137/2202)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [September 1, 2026, 1:10pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-137/2202 "2026-09-01T13:10:12Z")
:rocket: Ultralytics v8.4.137: Faster CUDA Training by Default Ultralytics v8.4.137 automatically enables the faster channels-last memory layout for CUDA training with PyTorch 1.11 and newer. This update can improve GPU … --- ## [New Release: Ultralytics v8.4.136](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-136/2199)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 31, 2026, 1:11pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-136/2199 "2026-08-31T13:11:15Z")
:rocket: Ultralytics v8.4.136 Released Ultralytics v8.4.136 is now available, bringing smarter hyperparameter tuning, faster image preprocessing, stronger backend compatibility, and more reliable data handling. This rele… --- ## [New Release: Ultralytics v8.4.135](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-135/2194)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 30, 2026, 1:07pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-135/2194 "2026-08-30T13:07:52Z")
:rocket: Ultralytics v8.4.135 Released Ultralytics v8.4.135 improves detection reliability by adapting max\_det to dataset object counts and standardizing fraction behavior across training and validation. :glowing\_star: … --- ## [New Release: Ultralytics v8.4.133](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-133/2193)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 29, 2026, 1:07pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-133/2193 "2026-08-29T13:07:45Z")
:rocket: Ultralytics v8.4.133: Faster Inference, Smarter Tuning, and Richer Metrics Ultralytics v8.4.133 is now available! This release delivers better hyperparameter tuning convergence, faster inference preprocessing, a… --- ## [New Release: Ultralytics v8.4.131](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-131/2192)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 28, 2026, 5:03pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-131/2192 "2026-08-28T17:03:14Z")
:rocket: Ultralytics v8.4.131: Apple Core AI Support for YOLO26 Ultralytics v8.4.131 introduces Apple Core AI export and inference for YOLO26, more reliable validation, safer model configuration, improved YOLOE class upd… --- ## [New Release: Ultralytics v8.4.130](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-130/2191)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 27, 2026, 4:44pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-130/2191 "2026-08-27T16:44:05Z")
:rocket: Ultralytics v8.4.130: Flexible Dataset Subsets, Reliable Tuning, and Better Tracking Docs :glowing\_star: Quick Overview Ultralytics v8.4.130 introduces count-based dataset limits, more efficient NDJSON and Platf… --- ## [New Release: Ultralytics v8.4.129](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-129/2186)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 26, 2026, 1:22pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-129/2186 "2026-08-26T13:22:27Z")
:rocket: Ultralytics v8.4.129 Is Here! Ultralytics v8.4.129 delivers more dependable multi-dataset tuning, BF16 mixed-precision training, faster YOLO26 LiteRT exports, parallel image preprocessing, stronger validation, a… --- ## [New Release: Ultralytics v8.4.128](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-128/2185)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 25, 2026, 1:20pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-128/2185 "2026-08-25T13:20:11Z")
:rocket: Ultralytics v8.4.128 Released Ultralytics v8.4.128 is here with more reliable OpenVINO batch inference, optimized TensorRT and ONNX exports, lower training RAM usage, faster SAM mask generation, safer FastSAM pr… --- ## [New Release: Ultralytics v8.4.127](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-127/2184)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 24, 2026, 1:21pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-127/2184 "2026-08-24T13:21:02Z")
:rocket: Ultralytics v8.4.127: More Reliable Exports, Training, and Deployment Ultralytics v8.4.127 makes exported YOLO models reliably load with the correct task and model family across all 20 supported formats. This re… --- ## [Best approach for a system that detects acts of violence/ violent behaviour from cctv footage](https://community.ultralytics.com/t/best-approach-for-a-system-that-detects-acts-of-violence-violent-behaviour-from-cctv-footage/2183)
**Author:** [@Joe\_Joe](https://community.ultralytics.com/u/Joe_Joe)\ **Replies:** 1\ **Last updated:** [August 23, 2026, 1:39pm UTC](https://community.ultralytics.com/t/best-approach-for-a-system-that-detects-acts-of-violence-violent-behaviour-from-cctv-footage/2183 "2026-08-23T13:39:57Z")
This project has been on my mind for a while now but it probably is far from my technical abilities i would just like to know the best approach Thanks --- ## [New Release: Ultralytics v8.4.126](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-126/2182)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 22, 2026, 1:13pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-126/2182 "2026-08-22T13:13:21Z")
:rocket: Ultralytics v8.4.126 Is Here Ultralytics v8.4.126 delivers safer, thread-safe checkpoint loading, up to 40% faster restricted model loading, and a cleaner RLE prior calculation—all while preserving backward comp… --- ## [New Release: Ultralytics v8.4.125](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-125/2181)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 21, 2026, 1:19pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-125/2181 "2026-08-21T13:19:19Z")
:rocket: Ultralytics v8.4.125: Up to 46% Faster YOLO26 Startup Ultralytics v8.4.125 significantly accelerates initial YOLO26 model loading in fresh Python processes while reducing unnecessary dependency overhead and impr… --- ## [New Release: Ultralytics v8.4.123](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-123/2178)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 20, 2026, 1:19pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-123/2178 "2026-08-20T13:19:49Z")
:rocket: Ultralytics v8.4.123: Expanded Depth Dataset Support Ultralytics v8.4.123 makes depth-estimation datasets easier to adopt across training, NDJSON conversion, and Ultralytics Platform workflows. Standard scaled P… --- ## [New Release: Ultralytics v8.4.122](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-122/2177)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 19, 2026, 1:18pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-122/2177 "2026-08-19T13:18:53Z")
:rocket: Ultralytics v8.4.122: Compact, Portable PNG Depth Maps Ultralytics v8.4.122 standardizes the YOLO26-Depth dataset pipeline around compact, self-describing 16-bit PNG depth maps. This update simplifies depth-data… --- ## [Export yolo26n model to coreXML , only runs when chose .cpuOnly as computing device . GPU and ANE doesn't work](https://community.ultralytics.com/t/export-yolo26n-model-to-corexml-only-runs-when-chose-cpuonly-as-computing-device-gpu-and-ane-doesnt-work/2176)
**Author:** [@yourcourtvision](https://community.ultralytics.com/u/yourcourtvision)\ **Replies:** 2\ **Last updated:** [August 19, 2026, 11:38am UTC](https://community.ultralytics.com/t/export-yolo26n-model-to-corexml-only-runs-when-chose-cpuonly-as-computing-device-gpu-and-ane-doesnt-work/2176 "2026-08-19T11:38:01Z")
i trained an yolo26n model , which runs well on my Macbook Air M5 (on top of pytorch MPS) . I exported and want to run with apple CoreML . When I select the .cpuOnly as computing device, everything running well ( yes,… --- ## [Best approach for tracking one specific swimmer through surface / partial / fully-underwater visibility phases in multi-lane race video (for automated biomechanics extraction)](https://community.ultralytics.com/t/best-approach-for-tracking-one-specific-swimmer-through-surface-partial-fully-underwater-visibility-phases-in-multi-lane-race-video-for-automated-biomechanics-extraction/2174)
**Author:** [@Jan\_Malus](https://community.ultralytics.com/u/Jan_Malus)\ **Replies:** 1\ **Last updated:** [August 18, 2026, 1:48pm UTC](https://community.ultralytics.com/t/best-approach-for-tracking-one-specific-swimmer-through-surface-partial-fully-underwater-visibility-phases-in-multi-lane-race-video-for-automated-biomechanics-extraction/2174 "2026-08-18T13:48:07Z")
Dear friends, I manually analyze hundreds of competitive swimming race videos to extract per-swimmer biomechanical timing/distance metrics (reaction time, breakout time/distance, underwater length, stroke rate, split ti… --- ## [New Release: Ultralytics v8.4.121](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-121/2175)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 18, 2026, 1:18pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-121/2175 "2026-08-18T13:18:58Z")
:rocket: Ultralytics v8.4.121 Released Ultralytics v8.4.121 is now available! This release improves OpenVINO INT8 export reliability for YOLO26, significantly expands Ultralytics Platform API and workflow documentation, … --- ## [Create custom dataset from pre-existing datasets](https://community.ultralytics.com/t/create-custom-dataset-from-pre-existing-datasets/2169)
**Author:** [@Luca\_M](https://community.ultralytics.com/u/Luca_M)\ **Replies:** 0\ **Last updated:** [August 17, 2026, 10:39pm UTC](https://community.ultralytics.com/t/create-custom-dataset-from-pre-existing-datasets/2169 "2026-08-17T22:39:37Z")
There is tons of pre-existing datasets with various classes. For your use-case a subset of a bigger dataset or a mix of classes from different datasets is often helpful. Introducing https://pypi.org/project/YoloDataset… --- ## [New Release: Ultralytics v8.4.120](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-120/2168)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 14, 2026, 1:28pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-120/2168 "2026-08-14T13:28:58Z")
:rocket: Ultralytics v8.4.120 Released Ultralytics v8.4.120 delivers cleaner deterministic CUDA training, more reliable TensorFlow export setup, and expanded documentation for LLM workflows and AI coding-agent integratio… --- ## [New Release: Ultralytics v8.4.118](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-118/2160)
**Author:** [@glenn-jocher](https://community.ultralytics.com/u/glenn-jocher)\ **Replies:** 0\ **Last updated:** [August 12, 2026, 1:31pm UTC](https://community.ultralytics.com/t/new-release-ultralytics-v8-4-118/2160 "2026-08-12T13:31:10Z")
:rocket: Ultralytics v8.4.118 is Here! Ultralytics v8.4.118 introduces a standalone OpenAI-compatible LLM interface alongside Ultralytics YOLO, improves OBB training and CopyPaste performance, strengthens YOLOE validatio… --- ## [Image upload failed](https://community.ultralytics.com/t/image-upload-failed/2157)
**Author:** [@Wenzhao](https://community.ultralytics.com/u/Wenzhao)\ **Replies:** 3\ **Last updated:** [August 12, 2026, 12:38am UTC](https://community.ultralytics.com/t/image-upload-failed/2157 "2026-08-12T00:38:53Z")
Help, engineers, please help look into this issue. I tried to upload an image and got this error --- ## [Image Processing Stuck at 95%](https://community.ultralytics.com/t/image-processing-stuck-at-95/2159)
**Author:** [@OselC](https://community.ultralytics.com/u/OselC)\ **Replies:** 3\ **Last updated:** [August 12, 2026, 12:38am UTC](https://community.ultralytics.com/t/image-processing-stuck-at-95/2159 "2026-08-12T00:38:40Z")
I tried to upload images to my dataset but it keeps getting stuck at 95% in the processing stage. [Previous page](https://community.ultralytics.com/c/discuss/4.md) [Next page](https://community.ultralytics.com/c/discuss/4.md?page=2)