CosavuCosavu

Reference · Changelog

Changelog

A log of every API and SDK change worth knowing about. Backwards-compatible additions, behavioural changes, deprecations, and the rare breaking change.

v1.7.0

Apr 22, 2026Stable
  • Added

    STAN-1-Mini policy model upgraded — average compression improved from 45% to 50%.

  • Added

    DataAPI ingest endpoint now supports DOCX, PPTX, and XLSX out of the box.

  • Changed

    Default retry policy is now exponential with jitter (was linear).

  • Fixed

    Rare race condition in streaming agent responses on Node.js 18.

v1.6.2

Apr 8, 2026
  • Fixed

    ContextAPI parse endpoint occasionally returned empty IDENTITY blocks for prompts under 50 tokens.

  • Fixed

    Python SDK timeout default was incorrectly 30s — restored to documented 60s.

v1.6.0

Mar 21, 2026Stable
  • Added

    VexaAgent private beta opened. Request access via your account team.

  • Added

    New mode parameter on optimize — 'auto' | 'aggressive' | 'light'.

  • Changed

    DataAPI CAR-1.5 distillation latency reduced by ~30% across all tenants.

  • Deprecated

    Legacy /v0 endpoints scheduled for removal on 2026-09-01.

v1.5.0

Feb 14, 2026
  • Breaking

    ingest endpoint now returns a job ID and runs asynchronously. Sync mode available with sync=true.

  • Added

    Idempotency-Key header support on all write endpoints.

  • Added

    Bun runtime officially supported in TypeScript SDK.

v1.4.1

Jan 30, 2026
  • Fixed

    Rate-limit headers were missing on 200 responses for DataAPI query.

  • Fixed

    Edge runtime compatibility for Cloudflare Workers.

v1.4.0

Jan 15, 2026Stable
  • Added

    Engram filter — 7-signal hybrid re-ranking on CAR-1 retrieval.

  • Added

    Tenant-level token budget caps.

  • Changed

    Quickstart guide rewritten with end-to-end TypeScript and Python examples.

v1.3.0

Dec 9, 2025
  • Added

    Multi-region failover for managed cloud deployments (US, EU, APAC).

  • Added

    Streaming responses for ContextAPI optimize endpoint.

v1.0.0

Oct 1, 2025Stable
  • Added

    General availability. ContextAPI and DataAPI stable. Backwards compatibility guaranteed within 1.x.

Versioning policy

We follow semantic versioning for the SDK and API surface:

  • Major versions may include breaking changes. Communicated at least 90 days in advance.
  • Minor versions add new functionality without breaking existing integrations.
  • Patch versions are bug fixes and performance improvements only.

Follow @cosavu on X for release notes and announcements.