Changelog . v5.2

Release notes.

A reverse-chronological record of what shipped in each AjaxUploader release. The current line is 5.2.

5.2

Current

Cloud sources

Box promoted to a first-class source.
Unsplash search-and-import source added.
Companion broker: self-hosted Node OAuth plus file proxy (Dropbox, Box, Drive, OneDrive) with proxy and server-to-destination transfer modes.

Headless framework hooks

useUploader() for React and Vue.
use:uploader Svelte action.
UploaderService for Angular.

Image editor

Content-aware smart-crop (edge-energy focal point - not AI).
Text and sticker overlays with styling controls.
Filter adjustments (brightness, contrast, saturation, sepia, grayscale) plus presets.
EXIF metadata viewer and crop-ratio chips.
AVIF and WebP output with a quality slider.

Image pipeline

EXIF auto-rotate on upload.
PDF poster thumbnails.
URL-based transforms: transformUrl client helper, honored server-side via GDI+ on Web Forms.

Validation and UX

Standalone aspectRatio validator and per-file rename UI.
Restore prompt to resume incomplete uploads after reload.
Whole-page drop target, form auto-attach, locale auto-detect.
Accessibility: ARIA live-region announcements, reduced-motion support, focus traps.
28 built-in locales.

Server / .NET

GCS server endpoints and IGcsSigner.
IImageTransformer extension point on CoreUpload.

History

Earlier releases.

5.1

7 transport strategies including GCS, 4 cloud pickers, AES-GCM encryption, an offline service-worker queue, cross-tab coordination, locales expanded from 20 to 30, webcam / screen / audio capture, and a virus-scan hook.

5.0

The v5 rewrite: pluggable transport strategies, direct-to-S3 / Azure / tus, IndexedDB resume, an inline image editor, and the canonical single-source branded build.