# COSS Weekly: Convex raises $57M, Elastic acquires Deductive AI, HashiCorp founder launches new startup, and more

> Source: <https://dev.to/sabirchinstrap/coss-weekly-convex-raises-57m-elastic-acquires-deductive-ai-hashicorp-founder-launches-new-3bef>
> Published: 2026-08-11 17:00:00+00:00

This week in COSS: Convex raised a $57 million Series B led by Insight Partners, with Etna Labs and existing backers a16z and Spark Capital also participating. In M&A, Elastic agreed to acquire Deductive AI, an AI-powered investigation platform for resolving production issues, while Keyfactor entered a definitive agreement to acquire Cofide.

Elsewhere, Temporal described the impact of a fivefold increase in AI spending alongside doubled revenue; YugabyteDB introduced AMP, a serverless PostgreSQL offering with AI agents for database fleet management; and OpenAI, AWS, Cursor, GitHub, and Microsoft backed Vercel’s Agent Plugins standard. Supabase became a launch partner for OpenAI’s Sign in with ChatGPT beta, Red Hat launched the asago community for AI safety and governance automation, Elastic expanded its OpenAI collaboration for enterprise AI applications, and HashiCorp co-founder Mitchell Hashimoto launched Multiplexer, a server-side terminal multiplexer startup.

We also feature the following companies in Cossmology: Cofide, TidesDB, LangWatch, Fleet Device Management, Quandela, Upsonic, OllyGarden, Expected Parrot, Dagger, and Soda.

**Companies mentioned:** [Temporal](https://cossmology.com/organizations/temporal)

*OSS News & Views · The New Stack*

**Companies mentioned:** [YugabyteDB](https://cossmology.com/organizations/yugabytedb)

*OSS News & Views · The New Stack*

**Companies mentioned:** [Elastic](https://cossmology.com/organizations/elastic)

*Announcement · Elastic Blog*

**Companies mentioned:** [Convex](https://cossmology.com/organizations/convex)

*Funding · Convex Blog*

**Companies mentioned:** [Vercel](https://cossmology.com/organizations/vercel)

*Announcement · The New Stack*

**Companies mentioned:** [Cofide](https://cossmology.com/organizations/cofide)

*Announcement · Cofide Blog*

**Companies mentioned:** [Supabase](https://cossmology.com/organizations/supabase)

*Announcement · Supabase Blog*

**Companies mentioned:** [Red Hat](https://cossmology.com/organizations/red-hat)

*Announcement · Red Hat Newsroom*

**Companies mentioned:** [Elastic](https://cossmology.com/organizations/elastic)

*Announcement · Elastic Blog*

**Companies mentioned:** [HashiCorp](https://cossmology.com/organizations/hashicorp)

*Announcement · The Register*

Open-standards workload identity platform

Embeddable key-value storage engine

AI agent testing and evaluation platform

Open-source device management for multiple OS.

Develops photonic quantum computers & software.

Open-source AI agent framework for fintech

Extracting insights from OpenTelemetry data

Open-source platform for AI-powered surveys

Software for building and running CI/CD pipelines.

Data quality platform for modern data stack
