U-Gen.AI/Docs
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Changelog

Release notes and API changes for U-Gen. All releases are backwards-compatible within the current API version.

API Versioning

The U-Gen API is versioned via the URL path (/api/v1/). Breaking changes are only introduced in new major versions. Minor updates add new fields and endpoints without breaking existing integrations.
v1.4.02026-04-10

Documentation Portal, Models Marketplace & Billing

  • AddedPublic documentation section with creator guides and full API reference (22 pages).
  • AddedModels Marketplace with Sora 2, Sora 2 Pro (Storyboard), and NanoBanana 2 image generation.
  • AddedModels Playground for one-off generations with all 5 model families.
  • AddedCredit-based billing with Stripe and PayPal checkout, auto-topup, and credit alerts.
  • ImprovedQA models upgraded: GPT-4o-mini for images, Gemini 2.5 Flash for videos.
  • ImprovedGraceful QA degradation: auto-pass with qa_degraded flag on model failure.
  • AddedSocial auto-posting (TikTok live, Instagram/YouTube/Facebook coming soon).
v1.3.02026-04-01

AWS Deployment & Job Templates

  • AddedAWS ECS Fargate deployment with Terraform infrastructure-as-code.
  • AddedJob templates: save and reuse video generation configurations (max 20 per account).
  • AddedRLS policies on 10 additional tables (migration 064).
  • ImprovedOrchestrator refactored for cleaner stage progression.
v1.2.02026-03-25

Security Hardening

  • ImprovedSecurity audit: IDOR protection, CSRF tokens, CSP headers.
  • AddedCI/CD security pipeline (GitHub Actions).
  • ImprovedRLS audit across all tenant-scoped tables.
  • FixedRate limiting edge cases on concurrent job creation.
v1.1.02026-03-18

Testing Infrastructure & Light Mode

  • Added92 test cases across backend services.
  • AddedLight mode theme support.
  • AddedElevenLabs Scribe v2 real-time STT (90+ languages).
  • ImprovedSticky agent routing for conversation continuity.
  • ImprovedSettings page refactored with tabbed layout.
v1.0.02026-03-01

Initial Release

  • Added9-stage video generation pipeline (prepare → agents → init → generation → concat → audio → captions → final_merge → complete).
  • AddedVeo 3.1 (Fast/Quality) and Kling 3.0 (Standard/Pro) video models.
  • Added500+ AI personas and 1,200+ voices in 29 languages.
  • AddedPrepaid credit packs ($10–$600) with reserve/consume/release lifecycle.
  • AddedB2B REST API with JWT and API key dual-path authentication.
  • AddedWebhook notifications for job.completed and job.failed events.
  • Added9 AI chat agents with RAG support (pgvector + Gemini embeddings).
  • AddedKaraoke-style captions (.ASS format) with 5 presets and RTL support.