Verifiers v0.1.12.dev2 Release Notes

Date: 04/01/2026

Highlights since v0.1.12.dev1

• Added major composability improvements for task/agent/environment architecture.
• Improved execution ergonomics by routing standard tools through the root LLM via the tools argument.
• Strengthened TUI observability with saved-state column visibility updates.
• Removed RLM branding from model-visible prompts/messages and aligned RLM metrics naming for consistency.
• Hardened token parsing behavior for None prompt/completion token IDs.

Changes included in v0.1.12.dev2 (since v0.1.12.dev1)

Features and architecture

• feat: composable Task/Agent/Environment architecture (#1067)
• feat: change tools arg to pass standard tools to root LLM (#1087)
• Show saved state columns in TUI info view (#1091)

Fixes and maintenance

• fix: handle None prompt/completion token ids in parse_tokens (#1066)
• refactor: rename RLM metrics for consistency (#1086)
• remove RLM branding from model-visible prompts and messages (#1089)
• feat: add enable_sub_llms toggle to RLMEnv (#1085)

Full Changelog: v0.1.12.dev1...v0.1.12.dev2