Changelog

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Changelog | GradeLab Product Updates

Changelog entries

GradeLab v1.9 – released on October 1, 2025

New:

Evaluation Engine: Added pass/fail computation at evaluation time (server-side)
Standardized grading outputs across descriptive, short, and mixed questions
Improved partial-mark allocation logic
Analytics: Student-level historical performance tracking
Class-wide aggregation & trend analysis
Topic-wise weakness detection
APIs: Added passed: boolean field to submissions API
Reduced client-side computation requirements
Improved response consistency across endpoints

Improved:

Better evaluation accuracy
Faster analytics computation
More reliable API responses

GradeLab v1.8 – released on July 1, 2025

New:

Human-in-the-loop grading pipeline
Editable AI-generated marks & feedback
Per-question confidence scoring
Question-level evaluation views
Optimized review latency for large scripts
Manual override persistence across sessions

Improved:

Improved teacher workflow efficiency
Better trust and transparency in grading
Faster review process for educators

GradeLab v1.7 – released on April 1, 2025

New:

Text Detection: Trained from scratch using modified EfficientViT architecture
Semantic segmentation for line & region detection
Trained on diverse handwritten exam datasets (4× NVIDIA A6000 GPUs, ≈3 days)
Text Recognition: Modified Donut-based model
UTF-16 decoding for multilingual & symbol-heavy text
Mixture-of-Experts (MoE) layers for noisy handwriting (4× NVIDIA A6000 GPUs, ≈2 weeks)

Improved:

Major accuracy gains on messy handwriting
Better handling of crossed-out text
Improved multi-page answer processing
Enhanced diagram and mixed content recognition

GradeLab v1.6 – released on December 1, 2024

New:

PDF, JPEG, PNG multi-page ingestion
Improved scan normalization & orientation correction
Support for mixed content (text + diagrams)
Noise reduction & binarization improvements
Layout-aware page splitting

Improved:

Better document processing accuracy
Improved handling of various scan qualities
Enhanced multi-page document support

GradeLab v1.5 – released on September 1, 2024

New:

Semantic answer matching with expected answers
Partial credit logic for long-form responses
Context-aware feedback generation
Answer grounding to reduce hallucinations
Deterministic scoring mode for exams

Improved:

More accurate descriptive answer evaluation
Better partial credit allocation
Improved feedback quality

GradeLab v1.4 – released on August 1, 2024

New:

Initial OCR integration for handwritten content
Bounding-box-based text extraction
Early layout parsing

Improved:

Basic handwritten text recognition
Initial document structure understanding

GradeLab v1.3 – released on June 1, 2024

New:

Asynchronous processing pipeline
Queue-based job execution
Improved fault tolerance for large batch uploads
Parallel script evaluation
Horizontal scaling for exam sessions

Improved:

Better scalability for large batches
Improved reliability and error handling
Faster processing times

GradeLab v1.2 – released on May 1, 2024

New:

REST APIs for uploads, evaluations, and results
Versioned endpoints
Authenticated access
Role-based permissions (teacher / admin)

Improved:

Secure API access
Better platform architecture
Improved developer experience

GradeLab v1.1 – released on March 1, 2024

New:

OCR + LLM grading proofs of concept
Rubric-based vs semantic scoring tests
Manual QA loops

Improved:

Initial platform foundation
Early experimentation and validation

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Changelog

Book a demo and get 90-day trial, free migration, and locked-in 2026 pricing.

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Changelog

Book a demo and get 90-day trial, free migration, and locked-in 2026 pricing.

Changelog entries

GradeLab v1.9 – released on October 1, 2025

GradeLab v1.8 – released on July 1, 2025

GradeLab v1.7 – released on April 1, 2025

GradeLab v1.6 – released on December 1, 2024

GradeLab v1.5 – released on September 1, 2024

GradeLab v1.4 – released on August 1, 2024

GradeLab v1.3 – released on June 1, 2024

GradeLab v1.2 – released on May 1, 2024

GradeLab v1.1 – released on March 1, 2024