Openharness Daily: Weekly Recap - Sandbox Lockdown and Behavioral Training
38 pull requests and 27 commits centered on sandbox security, a new OpenShell runtime, and a full behavioral training pipeline. The project retired prompt mining and cron scaffolding in favor of tighter boundaries and measured agent behavior.
Duration: PT3S
Episode overview
This episode is a short developer briefing from Openharness Daily.
It explains recent repository work in plain language.
- Show: Openharness Daily
- Published: 2026-10-12T15:05:06Z
- Audio duration: PT3S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Hello, this is your weekly recap for October 5th through October 12th.
38 pull request activity items, 27 additional commits this week, with five releases cut from development.
The lead pattern is control. The sandbox got harder to escape and easier to reason about, while agent improvement shifted from mining prompts to training on observed behavior.
First, sandbox lockdown and runtime change. Pull request 1380 replaces the known default sudo password with a random password per Docker sandbox, stored in the entry secrets file and readable with the secret get command. That was hardened further in 1408, which blocks agents from printing raw secrets, and in 1411,…
Second, behavioral training replaces prompt mining. Pull request 1414 retires the prompt miner and adds a staged pipeline: run store and dispatcher, Langfuse inventory, sampling, normalization, validation of annotations and rubrics, dataset curation with leakage controls, publish, report and compare. That foundation…
Third, harness growth and release velocity. Pull request 1364 adds OpenClaw support on Node 24, which arrived in 1363, and pull request 1340 adds the F X harness from Vercel Labs. Hermes binding fixes land in 1345…
Nearby episodes from Openharness Daily
- Sandbox Lockdown and Behavioral Training Pipeline
- OpenShell Runtime Lands as Crons Retire
- 0.19.0 Release Finalized
- OpenClaw Support on Node 24 and Harness Install Hardening
- AGRO 0.18.0 Ships Fx Harness and Workspace Fixes
- Weekly Recap - Subtraction Enables Expansion
- Trustworthy Remote Tests, 0.17 Release, and Fx Proposal
- Sandbox Secrets and Remote VMs