generated: '2026-07-21'
method: searched
source: https://docs.slng.ai/changelog.md
scheme: semver (API v0.x.y)
current_version: v0.53.0
entries:
  - version: v0.53.0
    date: '2026-06-16'
    tags: [Feature, Update]
    highlights:
      - Gradium STT and TTS (real-time multilingual WebSocket streaming).
      - Kugel 2 Turbo low-latency TTS tier.
      - Rime Arcana v3 French.
      - ElevenLabs WebSocket controls (auto_mode, sync_alignment, SSML, zero-retention logging).
  - version: v0.52.3
    date: '2026-06-12'
    tags: [Feature, Update]
    highlights:
      - Docs reframed around the Execution Layer (STT routing, tiered decisioning, output assembly).
      - Single consolidated API Reference.
      - Consolidated Authentication & API Keys and BYOK pages.
  - version: v0.52.2
    date: '2026-06-10'
  - version: v0.52.1
    date: '2026-06-03'
  - version: v0.52.0
    date: '2026-06-02'
  - version: v0.51.2
    date: '2026-05-29'
  - version: v0.51.1
    date: '2026-05-28'
  - version: v0.50.1
    date: '2026-05-26'
  - version: v0.50.0
    date: '2026-05-23'
  - version: v0.49.1
    date: '2026-05-22'
note: Recent window only; the live changelog at docs.slng.ai/changelog.md is the source of truth.