esl/MongooseIM
Oct 2024 – Jul 2025
10 Months active
Languages Used
ErlangMarkdownDockerfileShellbashYAMLSQL
Technical Skills
Backend DevelopmentDocumentationMetricsMonitoringObservabilitySystem Monitoring
jacekwegr
PROFILE
Jacekwegr
Jacek Wegrzynowski spent ten months engineering core features and infrastructure for the esl/MongooseIM repository, focusing on backend development, CI/CD automation, and cross-platform packaging. He delivered multiple MongooseIM releases, introducing TLS 1.3 support, S2S listener enhancements, and robust certificate handling, while modernizing code for Erlang/OTP 28 compatibility. Jacek automated package signing and artifact publishing using Shell and Erlang, streamlined build pipelines with Docker and AWS S3, and improved observability through standardized metrics. His work included database migrations, protocol updates, and test stabilization, reflecting a deep, systematic approach to maintainability, security, and deployment reliability across complex distributed systems.
Overall Statistics
Feature vs Bugs
86%Features
Repository Contributions
66Total
Bugs
3
Commits
66
Features
18
Lines of code
2,112
Activity Months10
Your Network
25 people
Work History
July 2025
14 Commits • 4 Features
Jul 1, 2025July 2025 monthly summary for esl/MongooseIM focused on OTP27/28 readiness, reliability improvements, and maintainability across core features and observability.
14 Commits • 4 Features
Jul 1, 2025July 2025 monthly summary for esl/MongooseIM focused on OTP27/28 readiness, reliability improvements, and maintainability across core features and observability.
July 2025
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for esl/MongooseIM: Delivered the 6.4.0 release focused on security, performance, and scalability. Implemented S2S and component listener improvements, TLS 1.3 with 0-RTT and channel bindings, TLS/connection handling overhaul, and enhanced XMPP traffic shaping configuration.
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for esl/MongooseIM: Delivered the 6.4.0 release focused on security, performance, and scalability. Implemented S2S and component listener improvements, TLS 1.3 with 0-RTT and channel bindings, TLS/connection handling overhaul, and enhanced XMPP traffic shaping configuration.
May 2025
5 Commits • 1 Features
May 1, 2025May 2025 monthly summary for esl/MongooseIM focused on CI/CD stabilization and Erlang compatibility. Delivered consolidated CI/CD maintenance, ensuring builds and tests are reliable across GitHub Actions and CircleCI. Upgraded minimum Erlang/OTP version, refreshed CI Erlang versions, aligned package builds with the main branch, introduced environment-aware test skipping to reduce flaky tests, and standardized runner base directory usage. These changes set the stage for smoother releases and more predictable CI outcomes across the project.
5 Commits • 1 Features
May 1, 2025May 2025 monthly summary for esl/MongooseIM focused on CI/CD stabilization and Erlang compatibility. Delivered consolidated CI/CD maintenance, ensuring builds and tests are reliable across GitHub Actions and CircleCI. Upgraded minimum Erlang/OTP version, refreshed CI Erlang versions, aligned package builds with the main branch, introduced environment-aware test skipping to reduce flaky tests, and standardized runner base directory usage. These changes set the stage for smoother releases and more predictable CI outcomes across the project.
May 2025
April 2025
11 Commits • 4 Features
Apr 1, 2025April 2025 summary: Implemented inbox hygiene on MUC Light room destruction with comprehensive tests (XMPP and REST), prepared and shipped MongooseIM 6.3.3 with updated changelog and release notes, reduced package size by removing unnecessary openssl.cnf bundling, and refreshed CI pipelines to target newer Erlang versions. These efforts improved user inbox integrity, accelerated deployments, and strengthened CI reliability.
April 2025
11 Commits • 4 Features
Apr 1, 2025April 2025 summary: Implemented inbox hygiene on MUC Light room destruction with comprehensive tests (XMPP and REST), prepared and shipped MongooseIM 6.3.3 with updated changelog and release notes, reduced package size by removing unnecessary openssl.cnf bundling, and refreshed CI pipelines to target newer Erlang versions. These efforts improved user inbox integrity, accelerated deployments, and strengthened CI reliability.
March 2025
5 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for esl/MongooseIM. Delivered OpenSSL 3.x runtime bundling into MongooseIM packages to support legacy Linux distributions (RPM and DEB) where OpenSSL compatibility was lacking (e.g., Rocky Linux/AlmaLinux < 9 and older Debian/Ubuntu). Implemented packaging script updates to conditionally include OpenSSL libraries and headers, refined runtime library path handling for arm64, and integrated ldconfig changes within the build/release workflow. CI and documentation were updated to clarify bundled OpenSSL versions for legacy systems. Addressed arm64 build issues and tightened packaging docs to reduce deployment risk.
5 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for esl/MongooseIM. Delivered OpenSSL 3.x runtime bundling into MongooseIM packages to support legacy Linux distributions (RPM and DEB) where OpenSSL compatibility was lacking (e.g., Rocky Linux/AlmaLinux < 9 and older Debian/Ubuntu). Implemented packaging script updates to conditionally include OpenSSL libraries and headers, refined runtime library path handling for arm64, and integrated ldconfig changes within the build/release workflow. CI and documentation were updated to clarify bundled OpenSSL versions for legacy systems. Addressed arm64 build issues and tightened packaging docs to reduce deployment risk.
March 2025
February 2025
13 Commits • 3 Features
Feb 1, 2025February 2025 (esl/MongooseIM): Delivered three major features with a focus on performance, security, and maintainability. Release 6.3.2 includes fast authentication improvements, a refactor of PubSub disco query handling, and comprehensive SCRAM/OpenSSL compatibility updates. No critical bugs reported; all work emphasizes stability and future feature readiness.
February 2025
13 Commits • 3 Features
Feb 1, 2025February 2025 (esl/MongooseIM): Delivered three major features with a focus on performance, security, and maintainability. Release 6.3.2 includes fast authentication improvements, a refactor of PubSub disco query handling, and comprehensive SCRAM/OpenSSL compatibility updates. No critical bugs reported; all work emphasizes stability and future feature readiness.
January 2025
1 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for esl/MongooseIM: Focused on delivering a robust artifact access workflow via CircleCI, enabling quick retrieval of build artifacts from S3 for both tag and branch builds. Implemented a new generate_link function with a specific transformation to map 'mongooseim' to 'mim'. This reduces manual steps and improves artifact accessibility and deployment confidence across CI/CD pipelines.
1 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for esl/MongooseIM: Focused on delivering a robust artifact access workflow via CircleCI, enabling quick retrieval of build artifacts from S3 for both tag and branch builds. Implemented a new generate_link function with a specific transformation to map 'mongooseim' to 'mim'. This reduces manual steps and improves artifact accessibility and deployment confidence across CI/CD pipelines.
January 2025
December 2024
10 Commits • 2 Features
Dec 1, 2024December 2024 monthly summary for esl/MongooseIM focusing on delivering robust CI-driven packaging, stabilization of test workflows, and a user-facing release with meaningful security and reliability improvements.
December 2024
10 Commits • 2 Features
Dec 1, 2024December 2024 monthly summary for esl/MongooseIM focusing on delivering robust CI-driven packaging, stabilization of test workflows, and a user-facing release with meaningful security and reliability improvements.
November 2024
4 Commits • 1 Features
Nov 1, 2024November 2024 (2024-11) performance summary for esl/MongooseIM. Focused on delivering automated CI/CD package signing for DEB and RPM, elevating security, reproducibility, and efficiency in the release process.
4 Commits • 1 Features
Nov 1, 2024November 2024 (2024-11) performance summary for esl/MongooseIM. Focused on delivering automated CI/CD package signing for DEB and RPM, elevating security, reproducibility, and efficiency in the release process.
November 2024
October 2024
2 Commits
Oct 1, 2024In Oct 2024, focused on improving the observability and reliability of metrics in esl/MongooseIM. Implemented standardized gauge-only metrics for probes, with validation to ensure all probe metrics adhere to gauge types. These changes reduce configuration errors and improve the quality and consistency of monitoring data across the system.
October 2024
2 Commits
Oct 1, 2024In Oct 2024, focused on improving the observability and reliability of metrics in esl/MongooseIM. Implemented standardized gauge-only metrics for probes, with validation to ensure all probe metrics adhere to gauge types. These changes reduce configuration errors and improve the quality and consistency of monitoring data across the system.
Activity
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Quality Metrics
Correctness90.2%
Maintainability88.6%
Architecture87.0%
Performance83.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
DockerfileErlangMarkdownSQLShellYAMLbash
Technical Skills
API UpdatesAWSAWS S3Backend DevelopmentBuild ScriptingBuild SystemsBuild ToolsCI/CDCI/CD ConfigurationCertificate ManagementChangelog ManagementCode RefactoringConfigurationConfiguration ManagementCross-Platform Development
Repositories Contributed To
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