heroku/cli
Oct 2024 – Apr 2026
14 Months active
Languages Used
JavaScriptMarkdownTypeScriptYAMLDockerfileNodeShellBash
Technical Skills
API IntegrationCLI DevelopmentCommand Line InterfaceDeprecation HandlingDocumentationHeroku CLI
Eric
PROFILE
Eric
Evan Black engineered core enhancements to the heroku/cli repository over 14 months, delivering 39 features and 18 bug fixes that modernized the CLI’s architecture and developer experience. He introduced telemetry modernization with a unified, class-based background worker pattern, lazy-loading, and explicit type discriminators, improving performance and cross-platform reliability. Evan led CLI UX modernization, Node.js tooling upgrades, and release automation, while strengthening CI/CD pipelines and dependency management. His work leveraged TypeScript, Node.js, and shell scripting to streamline release workflows, enforce security best practices, and expand CLI capabilities, resulting in a more maintainable, performant, and developer-friendly command-line interface.
Overall Statistics
Feature vs Bugs
68%Features
Repository Contributions
83Total
Bugs
18
Commits
83
Features
39
Lines of code
34,818
Activity Months14
Your Network
208 peopleSame Organization
@salesforce.com197
Work History
April 2026
3 Commits • 1 Features
Apr 1, 2026April 2026 monthly summary for the heroku/cli repository focused on telemetry modernization and telemetry worker reliability, with a strong emphasis on performance, cross-platform consistency, and test coverage. Key highlights include the Telemetry System Modernization and Cross-Platform Compatibility effort, which unified the background worker pattern for all telemetry clients (Herokulytics, OTEL, Sentry), adopted a class-based architecture with lazy-loading, and introduced explicit _type discriminators for robust data handling. The work improved activation logic, cross-platform compatibility, and debugging visibility, while standardizing color methods for CLI output. A critical reliability improvement was the Telemetry Worker Stability Bug Fix, addressing stderr cleanup and flushing in the telemetry worker to prevent process hangs and ensure proper writes in debug mode. Overall, the month delivered tangible business value through non-blocking telemetry, faster CLI startup due to lazy-loading, and a robust, testable telemetry surface across platforms. The team also added a 10-second worker timeout to prevent orphaned background processes and updated tests/mocks to reflect the new telemetry data model. Technologies/skills demonstrated include: background workers, class-based architecture, singleton patterns, explicit type discriminators, lazy-loading of heavy dependencies, cross-platform telemetry flows (Herokulytics/OTEL/Sentry), OpenTelemetry and Sentry integration, colorized CLI output, and targeted test modernization.
3 Commits • 1 Features
Apr 1, 2026April 2026 monthly summary for the heroku/cli repository focused on telemetry modernization and telemetry worker reliability, with a strong emphasis on performance, cross-platform consistency, and test coverage. Key highlights include the Telemetry System Modernization and Cross-Platform Compatibility effort, which unified the background worker pattern for all telemetry clients (Herokulytics, OTEL, Sentry), adopted a class-based architecture with lazy-loading, and introduced explicit _type discriminators for robust data handling. The work improved activation logic, cross-platform compatibility, and debugging visibility, while standardizing color methods for CLI output. A critical reliability improvement was the Telemetry Worker Stability Bug Fix, addressing stderr cleanup and flushing in the telemetry worker to prevent process hangs and ensure proper writes in debug mode. Overall, the month delivered tangible business value through non-blocking telemetry, faster CLI startup due to lazy-loading, and a robust, testable telemetry surface across platforms. The team also added a 10-second worker timeout to prevent orphaned background processes and updated tests/mocks to reflect the new telemetry data model. Technologies/skills demonstrated include: background workers, class-based architecture, singleton patterns, explicit type discriminators, lazy-loading of heavy dependencies, cross-platform telemetry flows (Herokulytics/OTEL/Sentry), OpenTelemetry and Sentry integration, colorized CLI output, and targeted test modernization.
April 2026
March 2026
21 Commits • 12 Features
Mar 1, 2026March 2026 (2026-03) — Delivered key features, stability improvements, and performance optimizations across the Heroku CLI. Focused on governance, reliability, and developer experience, with a strong emphasis on test coverage and CI resilience.
March 2026
21 Commits • 12 Features
Mar 1, 2026March 2026 (2026-03) — Delivered key features, stability improvements, and performance optimizations across the Heroku CLI. Focused on governance, reliability, and developer experience, with a strong emphasis on test coverage and CI resilience.
December 2025
2 Commits • 1 Features
Dec 1, 2025December 2025 focused on reliability engineering for the Heroku CLI by upgrading the ps-exec plugin to 2.6.4, introducing Sentry error reporting, and shipping v10.16.0. This delivered tangible business value by reducing runtime errors, improving troubleshooting, and stabilizing remote process execution flows. Key achievements include a dependency upgrade with bug fixes, observability enhancements via Sentry, coordinated release (v10.16.0), and targeted fixes to the ps-exec integration.
2 Commits • 1 Features
Dec 1, 2025December 2025 focused on reliability engineering for the Heroku CLI by upgrading the ps-exec plugin to 2.6.4, introducing Sentry error reporting, and shipping v10.16.0. This delivered tangible business value by reducing runtime errors, improving troubleshooting, and stabilizing remote process execution flows. Key achievements include a dependency upgrade with bug fixes, observability enhancements via Sentry, coordinated release (v10.16.0), and targeted fixes to the ps-exec integration.
December 2025
October 2025
1 Commits
Oct 1, 2025Month: 2025-10 — Focus: security hardening and dependency hygiene for the Heroku CLI. Delivered a targeted security patch in the heroku/cli repo by updating tar-fs and rollbar in yarn.lock. The change is a dependency-version update with no user-facing feature changes, preserving CLI behavior while reducing vulnerability exposure.
October 2025
1 Commits
Oct 1, 2025Month: 2025-10 — Focus: security hardening and dependency hygiene for the Heroku CLI. Delivered a targeted security patch in the heroku/cli repo by updating tar-fs and rollbar in yarn.lock. The change is a dependency-version update with no user-facing feature changes, preserving CLI behavior while reducing vulnerability exposure.
August 2025
1 Commits • 1 Features
Aug 1, 2025August 2025: Implemented Release Process Automation to enforce Node.js version consistency in the Heroku CLI release workflow. Updated .tool-versions to Node.js 20.19.4 and added update-node-version-to-latest script to automate installing the specified Node.js version via asdf during releases. This standardizes environments across releases, reducing drift and speeding up release readiness. The change is captured in commit dd36ca72bfba69139dd2a6716eb65b52012e9ff7 (W-19318515 fix: update to 20.19.4, add install to update script).
1 Commits • 1 Features
Aug 1, 2025August 2025: Implemented Release Process Automation to enforce Node.js version consistency in the Heroku CLI release workflow. Updated .tool-versions to Node.js 20.19.4 and added update-node-version-to-latest script to automate installing the specified Node.js version via asdf during releases. This standardizes environments across releases, reducing drift and speeding up release readiness. The change is captured in commit dd36ca72bfba69139dd2a6716eb65b52012e9ff7 (W-19318515 fix: update to 20.19.4, add install to update script).
August 2025
June 2025
2 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary for the heroku/cli repository, focusing on feature delivery, bug fixes, and technical impact. The team delivered two major CLI enhancements with accompanying documentation improvements, driving developer productivity and expanding CLI capabilities for MCP workflows.
June 2025
2 Commits • 2 Features
Jun 1, 2025June 2025 monthly summary for the heroku/cli repository, focusing on feature delivery, bug fixes, and technical impact. The team delivered two major CLI enhancements with accompanying documentation improvements, driving developer productivity and expanding CLI capabilities for MCP workflows.
May 2025
6 Commits • 3 Features
May 1, 2025May 2025 monthly summary for repository heroku/cli highlighting delivery of UX modernization, tooling upgrades, and release packaging, with measurable business value and technical excellence.
6 Commits • 3 Features
May 1, 2025May 2025 monthly summary for repository heroku/cli highlighting delivery of UX modernization, tooling upgrades, and release packaging, with measurable business value and technical excellence.
May 2025
April 2025
5 Commits • 3 Features
Apr 1, 2025April 2025: Three customer-value features delivered for the Heroku CLI, alongside telemetry accuracy and API correctness improvements that enhance addon usage visibility, improve data integrity, and enable better team-based decision making across releases.
April 2025
5 Commits • 3 Features
Apr 1, 2025April 2025: Three customer-value features delivered for the Heroku CLI, alongside telemetry accuracy and API correctness improvements that enhance addon usage visibility, improve data integrity, and enable better team-based decision making across releases.
March 2025
3 Commits • 2 Features
Mar 1, 2025March 2025 performance summary for the heroku/cli repo. Focused on CI/CD reliability and pricing UX improvements. Key outcomes include removing the experimental GitHub Actions workflow, refining Dependabot configuration to reduce maintenance overhead, and enhancing addon pricing visibility in the CLI with a metered pricing label and direct link to pricing details. These changes improve CI stability, reduce dependency drift, and deliver clearer cost information to users, supporting faster onboarding and better decision-making for customers.
3 Commits • 2 Features
Mar 1, 2025March 2025 performance summary for the heroku/cli repo. Focused on CI/CD reliability and pricing UX improvements. Key outcomes include removing the experimental GitHub Actions workflow, refining Dependabot configuration to reduce maintenance overhead, and enhancing addon pricing visibility in the CLI with a metered pricing label and direct link to pricing details. These changes improve CI stability, reduce dependency drift, and deliver clearer cost information to users, supporting faster onboarding and better decision-making for customers.
March 2025
February 2025
8 Commits • 4 Features
Feb 1, 2025February 2025 monthly summary for heroku/cli. Delivered a major release cycle and targeted improvements across features, security, tooling, and documentation, translating into stronger reliability, security posture, and developer productivity. Key outcomes include a published v10.2.0 release with bug fixes and new helpers, critical dependency and library upgrades for security and compatibility, CI/CD and tooling enhancements to streamline ship cycles, and comprehensive documentation polish.
February 2025
8 Commits • 4 Features
Feb 1, 2025February 2025 monthly summary for heroku/cli. Delivered a major release cycle and targeted improvements across features, security, tooling, and documentation, translating into stronger reliability, security posture, and developer productivity. Key outcomes include a published v10.2.0 release with bug fixes and new helpers, critical dependency and library upgrades for security and compatibility, CI/CD and tooling enhancements to streamline ship cycles, and comprehensive documentation polish.
January 2025
9 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for the heroku/cli project. Focused on reliability, developer experience, and ongoing maintainability. Delivered targeted fixes for telemetry routing, improved installer UX, API compatibility updates, and a broad round of maintenance and dependency upgrades to strengthen stability and security.
9 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for the heroku/cli project. Focused on reliability, developer experience, and ongoing maintainability. Delivered targeted fixes for telemetry routing, improved installer UX, API compatibility updates, and a broad round of maintenance and dependency upgrades to strengthen stability and security.
January 2025
December 2024
6 Commits • 3 Features
Dec 1, 2024December 2024: Delivered user-facing CLI enhancements and a major release for the Heroku CLI, improved launcher integration, and strengthened CI/CD reliability. Key features include Telemetry CLI enhancements (ARG endpoint, header flag; updated usage and tests), and the new heroku run:inside command that conditionally uses the launcher. Released CLI 10.0.0 with enhanced pipelines support and telemetry improvements. Major bug fixes addressed the CI/CD release workflow and general code health. Also performed changelog hygiene and removed unused dependencies. Overall impact: improved user experience, developer workflow, and release reliability, with measurable gains in UX consistency, bundle size reduction, and maintainability. Technologies/skills demonstrated: CLI refactoring, test-driven changes, release engineering, CI/CD workflow fixes, and code health optimization.
December 2024
6 Commits • 3 Features
Dec 1, 2024December 2024: Delivered user-facing CLI enhancements and a major release for the Heroku CLI, improved launcher integration, and strengthened CI/CD reliability. Key features include Telemetry CLI enhancements (ARG endpoint, header flag; updated usage and tests), and the new heroku run:inside command that conditionally uses the launcher. Released CLI 10.0.0 with enhanced pipelines support and telemetry improvements. Major bug fixes addressed the CI/CD release workflow and general code health. Also performed changelog hygiene and removed unused dependencies. Overall impact: improved user experience, developer workflow, and release reliability, with measurable gains in UX consistency, bundle size reduction, and maintainability. Technologies/skills demonstrated: CLI refactoring, test-driven changes, release engineering, CI/CD workflow fixes, and code health optimization.
November 2024
14 Commits • 5 Features
Nov 1, 2024November 2024 (heroku/cli): Delivered strategic release and UX improvements, hardened error handling, and API migrations that reduce risk and improve developer productivity. The work emphasized release management, CLI usability, telemetry reliability, and CI/CD robustness, with targeted improvements for fir apps and security-related API upgrades. Overall, these efforts accelerate safe releases, improve user experience, and strengthen operational reliability across the CLI and related services.
14 Commits • 5 Features
Nov 1, 2024November 2024 (heroku/cli): Delivered strategic release and UX improvements, hardened error handling, and API migrations that reduce risk and improve developer productivity. The work emphasized release management, CLI usability, telemetry reliability, and CI/CD robustness, with targeted improvements for fir apps and security-related API upgrades. Overall, these efforts accelerate safe releases, improve user experience, and strengthen operational reliability across the CLI and related services.
November 2024
October 2024
2 Commits • 1 Features
Oct 1, 2024Month: 2024-10 | Focused on delivering the Heroku CLI 10.0 Alpha, establishing telemetry for data collection, and laying groundwork for enhanced command functionality. Delivered foundational alpha release with telemetry commands, updated core commands (spaces and logs) to support new capabilities, and implemented fir-based enhancements for dyno management and spaces generation display. These efforts position the CLI for richer analytics, faster iteration, and a more productive developer experience.
October 2024
2 Commits • 1 Features
Oct 1, 2024Month: 2024-10 | Focused on delivering the Heroku CLI 10.0 Alpha, establishing telemetry for data collection, and laying groundwork for enhanced command functionality. Delivered foundational alpha release with telemetry commands, updated core commands (spaces and logs) to support new capabilities, and implemented fir-based enhancements for dyno management and spaces generation display. These efforts position the CLI for richer analytics, faster iteration, and a more productive developer experience.
Activity
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Quality Metrics
Correctness93.6%
Maintainability90.4%
Architecture89.4%
Performance89.2%
AI Usage21.6%
Skills & Technologies
Programming Languages
BashDockerfileJSONJavaScriptMarkdownNodeShellTypeScriptYAMLnode
Technical Skills
API IntegrationBackend DevelopmentCI/CDCLI DevelopmentCLI developmentChangelog ManagementCode CleanupCode MaintenanceCode Ownership ManagementCode ReviewCode StandardizationCommand Line InterfaceCommand Line Interface (CLI)Command-line InterfaceConfiguration Management
Repositories Contributed To
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