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v0.2.0 Breaking

This release includes 3 breaking changes for platform teams planning a safe upgrade.

Published 20d Version Control
✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

ai-agent claude-code developer-tools devtools go version-control

Affected surfaces

auth breaking_upgrade

ReleasePort's take

Light signal
editorial:auto 13d

Release v0.2.0 introduces a canonical session ID format and removes the PostToolUse hook for Claude Code during `rgt init`.

Why it matters: Update any scripts referencing Session IDs to use the `<origin>:<escaped-id>` format before first use, and adjust hook configurations that relied on `PostToolUse` for Claude Code.

Summary

AI summary

Session IDs now follow a canonical format and rgt init no longer installs a PostToolUse hook for Claude Code.

Changes in this release

Breaking Medium

Session IDs now use canonical format `<origin>:<escaped-id>`; legacy IDs adopted on first use

Session IDs now use canonical format `<origin>:<escaped-id>`; legacy IDs adopted on first use

Source: llm_adapter@2026-05-21

Confidence: high

 —
Breaking Medium

`rgt init` no longer installs a `PostToolUse` hook for Claude Code; migrated to `UserPromptSubmit`, `PostToolBatch`, and `Stop`

`rgt init` no longer installs a `PostToolUse` hook for Claude Code; migrated to `UserPromptSubmit`, `PostToolBatch`, and `Stop`

Source: llm_adapter@2026-05-21

Confidence: high

 —
Feature Medium

Codex CLI hook support via `rgt init --agent codex` or `--agent both` configures Codex hooks automatically

Codex CLI hook support via `rgt init --agent codex` or `--agent both` configures Codex hooks automatically

Source: llm_adapter@2026-05-21

Confidence: high

 —
Feature Medium

Shared capture engine used by Claude Code and Codex adapters with unified `internal/capture` recorder

Shared capture engine used by Claude Code and Codex adapters with unified `internal/capture` recorder

Source: llm_adapter@2026-05-21

Confidence: high

 —
Feature Medium

Per-turn steps now capture all tool calls in a single conversation turn

Per-turn steps now capture all tool calls in a single conversation turn

Source: llm_adapter@2026-05-21

Confidence: high

 —
Feature Medium

Legacy session references are migrated transparently to canonical format on first use

Legacy session references are migrated transparently to canonical format on first use

Source: llm_adapter@2026-05-21

Confidence: high

 —
Feature Medium

Duplicate tool-use deliveries become no-ops; conflicting payloads error

Duplicate tool-use deliveries become no-ops; conflicting payloads error

Source: llm_adapter@2026-05-21

Confidence: high

 —
Feature Medium

Improved `rgt init` supports `--agent auto|claude|codex|both` and `--skip-skills` flags

Improved `rgt init` supports `--agent auto|claude|codex|both` and `--skip-skills` flags

Source: llm_adapter@2026-05-21

Confidence: high

 —
Feature Medium

Skills moved to `.agents/skills/` directory, shared across agent UIs via symlinks

Skills moved to `.agents/skills/` directory, shared across agent UIs via symlinks

Source: llm_adapter@2026-05-21

Confidence: high

 —
Deprecation Medium

Removed `/rewind` skill (command not yet implemented)

Removed `/rewind` skill (command not yet implemented)

Source: llm_adapter@2026-05-21

Confidence: low

 —
Full changelog

What's New

  • Codex CLI hook support — rgt init --agent codex (or --agent both) configures Codex hooks automatically
  • Shared capture engine — Claude Code and Codex adapters now use a unified internal/capture recorder
  • Per-turn steps with multiple causes — a single step now captures all tool calls in one conversation turn
  • Legacy session adoption — existing pre-canonical session refs are migrated transparently
  • Duplicate tool-use idempotency — identical repeated deliveries are no-ops; conflicting payloads error
  • Improved init — rgt init supports --agent auto|claude|codex|both and --skip-skills
  • Skills moved to .agents/skills/ — shared across agent UIs via symlinks

Breaking Changes

  • Session IDs now use canonical format <origin>:<escaped-id> (legacy IDs adopted on first use)
  • rgt init no longer installs a PostToolUse hook for Claude Code (migrated to UserPromptSubmit + PostToolBatch + Stop)
  • Removed /rewind skill (command not yet implemented)

Install

go install github.com/regent-vcs/regent/cmd/[email protected]

Notes

  • Codex requires manual hook approval on first project use (open /hooks in Codex)
  • Test coverage: 45.2% total, 71% on the new capture package
  • All tests pass with -race

Full Changelog: https://github.com/regent-vcs/re_gent/compare/v0.1.2...v0.2.0

Breaking Changes

  • Session IDs now use canonical format ` : ` (legacy IDs adopted on first use)
  • `rgt init` no longer installs a PostToolUse hook for Claude Code (migrated to UserPromptSubmit + PostToolBatch + Stop)
  • Removed `/rewind` skill
View diff on GitHub

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