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Yedaya Katsman

PROFILE

Yedaya Katsman

Yedaya Ka contributed to the curl/curl repository by developing and refining backend features focused on TLS security, test reliability, and developer tooling. Over 11 months, Yedaya implemented mutual TLS testing, enhanced certificate management, and improved error handling, using C and Perl scripting to strengthen network security and automate build processes. Their work included expanding test coverage for mTLS scenarios, improving CLI usability, and ensuring robust memory management in torture tests. By addressing both code quality and documentation, Yedaya reduced technical debt and improved maintainability, delivering practical solutions that increased reliability and transparency for developers and operations teams working with curl.

Overall Statistics

Feature vs Bugs

71%Features

Repository Contributions

31Total
Bugs
6
Commits
31
Features
15
Lines of code
768
Activity Months11

Work History

December 2025

3 Commits • 2 Features

Dec 1, 2025

December 2025 — curl/curl delivered targeted security/testing and quality improvements. Key features include TLS Key Logging Enhancements with TLS 1.2 testing and proper cleanup of key log resources in GTLS, and Bad Word Handling and Documentation Quality improvements. Commits supporting these changes include e76080fb73f3f73d415427678843b643462448cd (test: SSLKEYLOGFILE structure for TLS 1.2 and LibreSSL compatibility) and 8e847fa5364be06737cd6c08beeb866006817a8d (gtls: Call keylog_close in cleanup), as well as 660600c7470edd9f441876fd9263310af8a7ad95 (badwords: add fist -> first, fix fallouts). The work strengthens security testing, improves documentation clarity, and lays groundwork for bad word filtering, aligning with product quality and risk reduction goals.

November 2025

5 Commits • 4 Features

Nov 1, 2025

November 2025 performance summary: Delivered focused UX improvements and build hygiene across distrobox, curl, and curl-www, emphasizing business value and maintainability. Achievements included improved user experience (bash completion for distrobox, verbose and transparent config loading in curl), clearer backend documentation (Rustls support), broader build-clean coverage (generated-files handling), and standard-compliance fixes (copyright typo). These efforts reduced user friction, enhanced configuration transparency, and streamlined development workflows.

October 2025

1 Commits

Oct 1, 2025

October 2025 performance summary for curl/curl focused on reliability and user experience improvements in the OpenSSL backend. No new features released this month; one targeted bug fix was completed to improve error message clarity and reduce user confusion.

August 2025

1 Commits

Aug 1, 2025

August 2025 monthly summary for curl/curl: Delivered a critical build-system reliability improvement by making the curl-config script executable, enabling proper autotools-based builds and improving developer usability. This change removes a manual permission blocker, reducing build friction for local development and CI, and speeds up contributor onboarding. The effort reinforces commitment to stable, predictable build processes and easier packaging across environments.

June 2025

3 Commits

Jun 1, 2025

June 2025 monthly summary for curl/curl. Focused on strengthening test reliability, memory tracking, and error handling to deliver tangible business value. Delivered targeted fixes to the torture testing framework and Rustls error reporting, improving CI signal, production stability, and developer confidence in debugging capabilities.

May 2025

5 Commits • 2 Features

May 1, 2025

May 2025: Strengthened test reliability and CI hygiene around mTLS and test suites. Delivered enhanced HTTPS mutual TLS (mTLS) coverage with new test cases for client-auth EKU-only and --insecure scenarios, and fixed stability of https-mtls tests. Cleaned up CI/docs: removed Hyper references, updated domain links, and broadened .gitignore to skip additional test artifacts. Result: reduced flaky CI runs, clearer licensing/domain references, and improved confidence in mTLS changes. Technologies demonstrated: test harness improvements in curl/curl, CI/CD hygiene, documentation and licensing updates, and domain-level consistency.

April 2025

5 Commits • 2 Features

Apr 1, 2025

April 2025 monthly summary for curl/curl focusing on codebase cleanup and TLS security/testing improvements. Delivered key features, resolved deprecated references, and expanded testing coverage with mTLS scenarios, contributing to maintainability, security, and reliability.

March 2025

1 Commits • 1 Features

Mar 1, 2025

Month: 2025-03 — Focused updates in the curl/curl repository delivering enhanced observability for stunnel-related configurations and quality improvements via script cleanups. No major bugs fixed this month; however, a minor typo fix in an error message was included as part of the feature work. The change improves troubleshooting efficiency, reduces debugging time, and aligns with security posture by ensuring truthful configuration visibility in verbose logs.

February 2025

3 Commits • 2 Features

Feb 1, 2025

February 2025 monthly summary focusing on developer productivity, UX improvements, and TLS diagnostics across two repositories. The month delivered concrete enhancements to command-line usability and TLS visibility, enabling faster troubleshooting and more efficient workflows for engineering and operations teams.

January 2025

3 Commits • 2 Features

Jan 1, 2025

Monthly summary for 2025-01 focused on delivering secure TLS capabilities, improving developer tooling, and enhancing documentation for curl/curl. Highlights include implementing TLS client certificate authentication with rustls, enabling controlled use of snprintf in examples with warnings, and clarifying TLS session documentation to reduce misconfigurations.

October 2024

1 Commits

Oct 1, 2024

In October 2024, focused on stabilizing test reliability for curl/curl by correcting test documentation for FILEFORMAT directives. Completed a targeted patch that prevents incorrect file handling during test execution and reduces flaky tests.

Activity

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Quality Metrics

Correctness97.4%
Maintainability94.2%
Architecture94.8%
Performance94.2%
AI Usage22.0%

Skills & Technologies

Programming Languages

BashCGoINIMakefileMarkdownNonePerlShellXML

Technical Skills

Bug FixC programmingCLI DevelopmentCode Quality AssuranceDocumentationError HandlingMakefile scriptingOpenSSLPerlPerl scriptingSSL/TLSShell CompletionTLS/SSLbackend developmentbash scripting

Repositories Contributed To

4 repos

Overview of all repositories you've contributed to across your timeline

curl/curl

Oct 2024 Dec 2025
11 Months active

Languages Used

MarkdownCNonePerlShellINIMakefileXML

Technical Skills

documentationtestingC programmingCode Quality AssuranceDocumentationSSL/TLS

containers/skopeo

Feb 2025 Feb 2025
1 Month active

Languages Used

Go

Technical Skills

CLI DevelopmentShell Completion

89luca89/distrobox

Nov 2025 Nov 2025
1 Month active

Languages Used

Bash

Technical Skills

bash scriptingcommand line tools

curl/curl-www

Nov 2025 Nov 2025
1 Month active

Languages Used

Makefile

Technical Skills

Makefile scriptingbuild automation