ultralytics 8.4.47

v8.4.47 - `ultralytics 8.4.47` Fix CLI parsing for solution colormap values (#24219)

on Python PyPI

🌟 Summary

Ultralytics v8.4.47 is a reliability-focused release that fixes a key CLI bug for heatmap colormaps 🎨, while also improving RT-DETR post-processing, remote checkpoint loading, Edge TPU export behavior, and several stability edge cases across loaders and I/O ✅.

📊 Key Changes

• 🔥 Most important (current PR #24219 by @raimbekovm): CLI colormap parsing fixed for Solutions Heatmap

  • Commands like colormap=cv2.COLORMAP_INFERNO now work as documented.
  • Previously, these values were passed as raw strings and could fail in OpenCV.
  • Parser now safely resolves allowed cv2.<UPPERCASE_CONSTANT> values to numeric constants, with security protections still in place 🛡️.

• RT-DETR got a meaningful post-processing upgrade (PR #24403 by @artest08)

  • Top-k selection moved into the decoder head (more aligned with DETR-style behavior).
  • Inference output format is now cleaner and standardized as [cx, cy, w, h, score, class].
  • Predict/val code is simpler and more consistent.

• Edge TPU export is now more robust and explicit (PR #24383 by @lakshanthad)

  • If exporting to Edge TPU without int8=True, Ultralytics now warns and auto-enables it early.
  • Reduces confusing late-stage failures during export.

• Remote checkpoint URI support improved (PR #24395 by @glenn-jocher)

  • Centralized supported remote prefixes and expanded consistency across loading paths.
  • pretrained=ul://... now resolves like other remote model references 🌐.

• Multiple bug fixes across data loading, hub session, and solutions (PR #24397 by @glenn-jocher)

  • Fixed loader counter initialization and tensor path generation bugs.
  • Fixed potential unbound variable in file speed checks.
  • Fixed HUB warning message formatting.
  • Minor analytics/heatmap cleanup for correctness and efficiency.

• Safer image reading behavior (PR #24406 by @Y-T-G)

  • imread() now returns None on missing/unreadable files (matching common cv2.imread expectations), instead of crashing.

• YOLOE validation guardrail added (PR #23982 by @ahmet-f-gumustas)

  • Warns when refer-data class names don’t match eval dataset class names, helping catch silent validation mistakes ⚠️.

• Results serialization improvements (PR #23909 by @glenn-jocher)

  • Mask/keypoint summary values are normalized to Python floats and rounded cleanly for better JSON/API compatibility.

• CI maintenance update (PR #24396 by @UltralyticsAssistant)

  • Slack GitHub Action bumped from v3.0.2 to v3.0.3 in workflows.

🎯 Purpose & Impact

• For CLI users of yolo solutions heatmap: documented colormap syntax now behaves correctly out of the box 🎉.
• For deployment workflows: Edge TPU exports and remote weight loading are more predictable and less error-prone.
• For RT-DETR users: post-processing is more model-native and maintainable, with potential quality/selection behavior benefits.
• For production pipelines: better failure handling (imread), cleaner serialization, and several bug fixes reduce runtime surprises.
• Overall: this release is less about flashy new UI and more about making Ultralytics tooling more trustworthy, consistent, and developer-friendly 🚀.

What's Changed

• Fix Edge TPU INT8 calibration when data arg is not passed by @lakshanthad in #24383
• Bump slackapi/slack-github-action from v3.0.2 to v3.0.3 in /.github/workflows by @UltralyticsAssistant in #24396
• Fix latent bugs across loaders, hub session, and solutions by @glenn-jocher in #24397
• Resolve platform URIs for checkpoint loading by @glenn-jocher in #24395
• Add refer data and eval dataset class name consistency check for YOLOE validation by @ahmet-f-gumustas in #23982
• Return None in imread on read failure to match cv2.imread by @Y-T-G in #24406
• Add top-k post-processing to RT-DETR decoder head by @artest08 in #24403
• Truncate results to 5 decimals by @glenn-jocher in #23909
• ultralytics 8.4.47 Fix CLI parsing for solution colormap values by @raimbekovm in #24219

Full Changelog: v8.4.46...v8.4.47