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Changelog

[2.5.0] - 2026-04-03

Added

  • Local Testing UI (local_testing/) — React + Express app replacing the Gradio frontend
    • 8-tab interface: Home, Chat, Edit Analyzer, Create Analyzer, Evaluations, Pricing, Observability, Chat Log
    • WebSocket proxy to AgentCore Runtime for interactive chat
    • SSE streaming for long-running operations
    • Vite dev server (port 5174) + Express API (port 3457)
  • Deployment UI (deployment/ui/) — React + Express app for CDK stack management
    • 4-tab interface: Stacks, Analyzers, S3 Configs, Deploy Tags
    • Deploy/destroy individual CDK stacks with streaming log output
    • S3 config file editor for manifests, prompts, and schemas
    • Vite dev server (port 5173) + Express API (port 3456)
  • local_testing/LOCAL_TESTING_README.md — documentation for the Local Testing UI
  • deployment/ui/DEPLOYMENT_UI_README.md — documentation for the Deployment UI

Removed

  • Gradio-based frontend (frontend/) replaced by local_testing/ and deployment/ui/

Changed

  • Updated navigation bars across all 10 README files to replace frontend/ links with Local Testing and Deployment UI links
  • Updated inline references to Analyzer Creation Wizard in deployment and Lambda analyzer docs
  • Updated project structure section in main README to reflect local_testing/ replacing frontend/

[2.4.1] - 2026-03-28

Changed

  • Increased all timeout configurations from 300s to 900s to support 10+ minute agent runs (#42)
    • Lambda function timeouts (Duration.seconds), BEDROCK_READ_TIMEOUT env var, MCP server timeout
    • Bedrock client connect_timeout raised from 10s to 30s
    • WebSocket ping_timeout raised to 90s, close_timeout to 30s for long-running stability
    • Frontend AGENTCORE_READ_TIMEOUT default raised to 900s
    • Prompt generator boto3 read_timeout raised to 900s
  • Added operating environment configuration value for agent context (#47)

[2.4.0] - 2026-03-28

Added

  • Poppler-qpdf Lambda layer with fontconfig for improved PDF text extraction (#40)
  • PDF syntax repair pre-processing step in remediation pipeline (#25)
  • Configurable RESOLVER_MAX_TOKENS env var for remediation analyzer
  • New pricing models and analyzer defaults in pricing calculator

Fixed

  • Path injection vulnerabilities in chat download functions (CodeQL py/path-injection)

Security

  • Remediated CodeQL alerts #11, #12, #18, #19 — path traversal in agent_chat_websocket.py

Dependencies

  • Bumped requests from 2.32.5 to 2.33.0
  • Bumped pypdf from 6.8.0 to 6.9.2
  • Bumped pymupdf from 1.26.6 to 1.26.7
  • Bumped pyjwt from 2.10.1 to 2.12.0

[2.3.0] - 2026-03-12

Added

  • Dynamic token estimation based on image complexity (#15)
  • Complexity scorer using text ratio, entropy, edge density, color std
  • Token usage vs budget logging for calibration (#15)
  • Dynamic token toggle checkbox in Gradio chat UI
  • Sonnet 4.6 application inference profile for image enhancer
  • Dynamic token estimation docs in README and Lambda Analyzers docs

Changed

  • Container stack adjustments
  • 21 Lambda handlers updated to support dynamic tokens env var from request payload

Dependencies

  • Bumped pypdf from 6.7.1 to 6.7.5
  • Bumped gradio from 6.3.0 to 6.7.0

[2.2.0] - 2026-02-24

Added

  • Cell grid resolver v3 for remediation analyzer with improved table detection
  • Diagnostic visualizer for remediation analyzer output inspection
  • ENABLE_DIAGNOSTICS environment variable for remediation analyzer Lambda
  • Claude Opus 4.6 inference profile support

Changed

  • Remediation analyzer README moved to REMEDIATION_README.md
  • Updated README analyzer count from 29 to 25 (accurate Lambda function count)
  • Updated remediation analyzer description to reflect container architecture and new capabilities

Fixed

  • Increased font size in remediation analyzer for improved analysis
  • CDK IAM policies and manifest schema for remediation analyzer
  • Remediation analyzer credential threading, image sizing, and CJK font encoding

[2.1.0] - 2026-02-24

Added

  • Acrobat accessibility report and screen reader video for remediation analyzer
  • Updated README to v2.1

Changed

  • Image enhancement tool updates

[2.0.0] - 2026-02-23

Added

  • Remediation analyzer v2.0 with container + layer architecture (moved from code-based to ECR container)
  • PDF accessibility auditor, tagger, and models modules
  • Container build script and Dockerfile for remediation analyzer

Fixed

  • Remediation analyzer container missing required Python modules and dependencies (#9)

[1.2.0] - 2026-02-18

Fixed

  • Hard coded klayers and Pillow ARN regions now uses Stack.of(self).region (#8)

[1.1.0] - 2026-02-11

Changed

  • PDF remediation adjustments
  • Initial codebase clean-up

Dependencies

  • Bumped Pillow from 11.3.0 to 12.1.1

[1.0.0] - 2026-02-03

Added

  • Initial commit with 25 Lambda analyzer functions (23 code-based + 2 container-based)
  • Strands Agent with AgentCore Runtime and Gateway
  • CDK deployment (10 CloudFormation stacks)
  • Multi-page Gradio frontend with chat, wizard, editor
  • Foundation layer shared across all analyzers
  • Modular XML prompting system
  • Inference profiles for cost tracking