ECC changelog: what's new each month
Every stable ECC release summarised by month: the highlights, new features, improvements, fixes and anything you need to act on. 9 months covered; the current month updates daily.
October 2026 · so far
1 release: 2.2.3
October brought a maintenance release focused on refining core package behavior and improving release processes.
Highlights
- pi/core no longer expands the project name in its README and bundled assets
Improved
- Release workflow now polls the registry for up to five minutes after npm publish to confirm availability
September 2026
2 releases: 2.2.1 → 2.2.2
September brought improved safety controls and governance capture for destructive commands, along with 123 curated skills and more robust build verification. The month focused on strengthening security checks and reliability across installation and memory operations.
Highlights
- GateGuard and governance now recognize and handle destructive PowerShell commands.
- Build process now fails on safety violations including non-allowlisted URL hosts and pipe-to-shell operations.
- 123 curated skills added covering language patterns, testing, TDD, and code review practices.
- Uninstall process respects dry-run mode and rejects installation conflicts with user-owned files.
New
- 123 curated skills for language and framework patterns, testing, TDD, and code review.
- Safety violation detection in builds for non-allowlisted URL hosts and shell pipe operations.
- CI verification that compiled OpenCode payload matches the npm package.
- Distinction between incomplete memory reads and missing records in memory operations.
- Support for reserved meta parameter on memory MCP ping requests.
Improved
- Relative GateGuard exemption globs now stay within the project root.
- Guided setup revalidates preview before ownership filtering.
- Observer analysis retains observations even on unsuccessful or unconfirmed operations.
- Release workflow verifies VERSION tag matches before publishing.
- Manual Claude installs now register ECC-owned hook entries in Claude settings.
- Yarn lockfile updated to toml 4.3.0, matching npm lockfile.
Fixed
- Installer no longer collides with untracked user-owned files.
- Uninstall now respects ECCDRYRUN=1 environment variable including legacy Codex paths.
- Failed installations no longer leave inconsistent state.
August 2026
1 release: 2.2.0
August brought major improvements to installation reliability and migration safety, along with expanded workflow capabilities for complex AI agent scenarios.
Highlights
- Native Antigravity 2.0 support for more seamless installation
- Reliable uninstall process that maintains complete ownership tracking across repeated selective installs
- Safer migrations with improved configuration directory handling
- New workflows for agent evaluation, multi-model council, and dev-team scenarios
New
- Pi workflow
- Itô workflow
- Agent evaluation workflow
- Multi-model council workflow
- Dev-team workflow
Improved
- Installation process with Native Antigravity 2.0
- Uninstall reliability for repeated selective installs
- Migration safety and configuration directory management
July 2026
1 release: 2.1.0
July brought major improvements to ECC's interface and interoperability, adding native rendering of rich content and direct integration with planning workflows. The release also expanded platform flexibility with model-agnostic protocol support and new safety guardrails.
Highlights
- Annotate elements directly in the interface by clicking or selecting text with numbered markers
- Chat with the agent in a side rail while work happens in the terminal
- Approve or request changes on plans using dedicated buttons tied to the confirmation gate
- Mermaid diagrams, tables, and task lists now render natively with live file reload
New
- ecc ito find bridge to submit live, authenticated RFQs to the canonical Itô CLI
- Plain CLI and JSON protocol (ecc-plan-canvas) for model and harness independence
- Guarded live node qualification for compute operations
- Read-only compute handoff capability
Improved
- Side rail chat interface for real-time agent communication during terminal work
- Plan approval workflow now directly maps to confirmation gates
Fixed
- Credential-bearing CLI shims are now rejected to prevent unauthorized access
June 2026
1 release: 2.0.0
ECC 2.0 launched in June with a major overhaul of its operating surface and agent coordination layer. The release brings 261 public skills, a new control-pane substrate, and multi-agent orchestration as a first-class feature.
- Six MCP connectors retired from default policy; users relying on them must explicitly opt-in after June 2026.
Highlights
- New control-pane substrate forms the foundation of ECC 2.0's operating surface.
- Harness-neutral session adapters now work across Claude Code, Codex, OpenCode, and dmux with a single unified schema.
- Multi-agent orchestration and dynamic workflow teams enable fan-out coordination as a native capability.
- MCP inventory provides normalized view of all MCP server configs with automatic drift detection and secret redaction.
- Default MCP policy now ships with one connector (chrome-devtools); six others moved to opt-in following a security audit.
New
- 261 public skills across coding, research, security, media, enterprise ops, and agent workflows.
- 64 agents and 84 commands.
- Harness-neutral session adapters (ecc.session.v1) supporting multiple agent platforms.
- MCP inventory system (ecc.mcp.v1) with fragmentation detection and secret redaction.
- Worktree-lifecycle service for deterministic merge-conflict prediction and parallel agent GC.
- Orchestrator skill family for multi-agent workflows.
- Rollout-derived optimization pack including parallel-execution-optimizer and latency-critical-systems tuning.
Improved
- MCP server configuration now has one normalized view across all harnesses.
- Session adapters streamlined to use a single schema for tracking agent location and activity.
- Parallel agent worktrees now have safe garbage collection.
Fixed
- MCP inventory system detected and prevented an argument-carried key leak during audit.
April 2026
1 release: 1.10.0
April brought significant reliability and cross-platform improvements to ECC, along with better tools for developers and operators. The release focuses on making workflows smoother and ensuring consistent behavior across different environments.
Highlights
- Enhanced cross-platform compatibility for more reliable operation across systems
- Eval-driven quality improvements based on systematic testing
- Better ergonomics for workflows and operator interactions
- Published as npm package ecc-universal for easier integration
- Available on Claude marketplace with plugin identifier everything-claude-code@everything-claude-code
Improved
- Workflow ergonomics redesigned for smoother operator experience
- Cross-platform reliability enhanced for consistent behavior
- Quality improvements driven by evaluation-based testing
March 2026
2 releases: 1.8.0 → 1.9.0
March brought significant expansions to ECC's capabilities with new harness commands for workflow management and the addition of specialized code reviewers and build resolvers across multiple programming languages.
Highlights
- Five new language-specific code reviewers added: TypeScript/JavaScript, Java, Rust, Flutter/Dart, and Kotlin.
- New build error resolvers for PyTorch, Maven/Gradle, Java, and Kotlin projects.
- Harness commands introduced for auditing, loop control, quality gates, and model routing.
- Cross-harness optimization tool available to streamline workflows across multiple harnesses.
- NanoClaw v2 upgrades and model routing enhancements.
New
- TypeScript and JavaScript code reviewer.
- PyTorch build error resolver.
- Maven and Gradle build error resolver.
- Java code reviewer.
- Rust code reviewer.
- Flutter and Dart code reviewer.
- Kotlin build error resolver.
- Harness audit, loop start, loop status, quality gate, and model routing commands.
Improved
- NanoClaw v2 upgrades.
- Model routing enhancements.
- Cross-harness optimization tool introduced.
February 2026
7 releases: 1.2.0 → 1.7.0
February brought major expansions to ECC's platform support and capabilities. The product added comprehensive support for Codex and OpenCode ecosystems, introduced universal configuration across all platforms, and significantly grew its agent, skill, and command libraries.
Highlights
- Added full OpenAI Codex support with dedicated setup commands and cross-platform compatibility.
- Expanded to 43 skills and 13 active agents covering TypeScript, Python, Go, Java, Django, and Spring Boot.
- Introduced universal config support working seamlessly across Cursor, Codex, and OpenCode platforms.
- Added OpenCode plugin system with 24 commands and 3 custom tools for LLM integration.
- Listed on GitHub Marketplace for direct installation and discovery.
New
- Python and Django support with enhanced documentation.
- Interactive configure-ecc installation wizard for easier setup.
- Seven new skills: analyze-repo, skill-creator, instinct-creator, hook-creator, workflow-discovery, pattern-detection, and learning-dna.
- Five business-focused skills: article-writing, content-engine, market-research, investor-materials, and investor-outreach.
- Frontend-slides skill for building animation-rich HTML presentations and converting PPTX workflows.
- Chief-of-staff agent for communication and coordination-heavy workflows.
- PM2 and multi-agent orchestration commands.
- GitHub Sponsors support integration.
Improved
- Rules restructured into common and language-specific directories for better organization.
- Cross-platform harness parity achieved across Cursor, Codex, and OpenCode with unified repo structure.
- OpenCode plugin manifests reworked for Cowork marketplace compatibility.
- Chinese (zh-CN) translations added for all documentation.
- Enhanced CONTRIBUTING.md with detailed templates.
- Codex packaging and discovery improvements for cleaner integration.
- OpenCode package and release alignment strengthened.
Fixed
- Corrected markdown code block syntax in go-test.md.
- Fixed parseinstinctfile() to preserve content after frontmatter.
- Fixed agent count display from 15 to 13 active agents.
- Fixed skill count from 32 to 43 skills.
- Fixed command count from 30 to 31 commands.
January 2026
2 releases: 1.0.0 → 1.1.0
January brought ECC to version 1.1.0 with a focus on persistence, learning, and multi-step workflow automation. The release centers on making agents smarter across sessions and better at handling complex, repetitive development tasks.
Highlights
- Memory persistence hooks let context survive across sessions so agents build on prior knowledge.
- Plugin packaging makes installation instant for entire feature collections.
- Continuous learning auto-extracts patterns from sessions and teammate workflows to build agent instinct.
- Multi-step process automation now handles database changes, API endpoints, and service onboarding with full workflow tracking.
- Verification loops with checkpoints and eval workflows ensure quality at logical boundaries.
New
- Iterative-retrieval for progressive context refinement across subagents.
- Continuous-learning-v2 with instinct-based pattern recognition and confidence scoring.
- Manual /compact command for strategic memory compaction at logical boundaries.
- Plugin packaging system for one-step installation of complete feature collections.
- Memory persistence hooks to retain context across sessions.
- Multi-step workflow support for database schema changes, migrations, and index updates.
- Workflow templates for API endpoint creation with route, validation, tests, and docs.
- Service onboarding workflow covering config, environment variables, and CI/CD setup.
Improved
- Context refinement now works progressively with subagents for better accuracy.
- Pattern learning now confidence-scores discovered patterns for reliability.
- Workflow documentation now captures previously unconscious automation practices.
- Memory management improved through strategic compaction at workflow boundaries.
Summaries are written automatically from the official release notes (full changelog ↗); check the original notes before relying on a detail. ECC: pricing, features and alternatives · All changelogs