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Jacob Keller

PROFILE

Jacob Keller

Jacob Keller contributed to OverlayPlugin/cactbot and several Linux kernel repositories, focusing on raid encounter tooling and network driver reliability. He enhanced raid boss detection and callout accuracy by refactoring TypeScript triggers and timelines, improving group coordination for end-game content. In geerlingguy/linux and amazonlinux/linux, Jacob addressed device driver stability and security, implementing fixes in C to prevent device bricking and harden kernel surfaces. He also improved Git diff algorithms in microsoft/git, refining directory traversal and adding regression tests. Jacob’s work demonstrated depth in debugging, data mapping, and system programming, resulting in more robust, maintainable, and user-focused open source tools.

Overall Statistics

Feature vs Bugs

43%Features

Repository Contributions

20Total
Bugs
8
Commits
20
Features
6
Lines of code
1,676
Activity Months6

Work History

September 2025

6 Commits

Sep 1, 2025

In September 2025, delivered and stabilized key kernel and tooling improvements across two repositories to improve robustness, compatibility, and maintainability. The month focused on PTP reliability and user-space integration in the amazonlinux/linux driver, plus targeted diff path handling fixes and test coverage in microsoft/git.

August 2025

7 Commits • 3 Features

Aug 1, 2025

Monthly summary for 2025-08 focusing on business value and technical achievements across two repositories: geerlingguy/linux and OverlayPlugin/cactbot. Key features delivered include Linux ice driver stability and performance improvements and Jumbo Frame support enhancements, plus raid encounter tooling improvements in OverlayPlugin.

July 2025

2 Commits

Jul 1, 2025

July 2025 monthly summary for geerlingguy/linux focused on reliability and security hardening under TX topology configurations. Delivered targeted fixes that reduce risk of device bricking and improve kernel surface hardening, with clear traceability to commits for auditability.

June 2025

2 Commits • 1 Features

Jun 1, 2025

June 2025 — OverlayPlugin/cactbot: Delivered Raid Boss Guidance Enhancements for Occult Crescent: South Horn and Sinister Seeds puddle bait tracking in R7S, with data-driven triggers and player callouts to boost raid coordination. Strengthened data scaffolding for future encounters and provided clear, actionable zones and timelines for boss mechanics.

April 2025

1 Commits

Apr 1, 2025

April 2025 monthly summary for OverlayPlugin/cactbot: Delivered a critical bug fix to ensure accurate X-snap Twist callouts during r5s fights by adding missing X-snap Twist IDs to the snapTwistIdMap in r5s.ts. This fix improves reliability and user experience by ensuring callouts match actual boss mechanics, reducing missed or incorrect alerts. The change was implemented with commit e6a6b082d69f9aed6ec3c7204dc3083331aafcf8.

October 2024

2 Commits • 2 Features

Oct 1, 2024

October 2024 monthly summary for OverlayPlugin/cactbot focused on feature-driven improvements to raid mechanics detection and raid coordination, with no explicit bugs recorded in the provided data. The work enhances reliability, accuracy, and group play efficiency for end‑game content.

Activity

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Quality Metrics

Correctness97.6%
Maintainability91.0%
Architecture93.0%
Performance90.0%
AI Usage23.0%

Skills & Technologies

Programming Languages

CJavaScriptTypeScripttxt

Technical Skills

Boss MechanicsBug FixingC programmingCommand-line ToolsData ManagementData MappingDebuggingDevice DriversDiff algorithmsEmbedded SystemsFile system operationsGame DevelopmentGitGit InternalsKernel Development

Repositories Contributed To

4 repos

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

OverlayPlugin/cactbot

Oct 2024 Aug 2025
4 Months active

Languages Used

TypeScriptJavaScripttxt

Technical Skills

Game DevelopmentRaid MechanicsRaid Mechanics AnalysisTypeScriptUI DevelopmentData Mapping

geerlingguy/linux

Jul 2025 Aug 2025
2 Months active

Languages Used

C

Technical Skills

DebuggingDevice DriversEmbedded SystemsKernel DevelopmentSecurityBug Fixing

amazonlinux/linux

Sep 2025 Sep 2025
1 Month active

Languages Used

C

Technical Skills

C programmingdevice driver developmentdocumentationdriver developmentembedded systemskernel development

microsoft/git

Sep 2025 Sep 2025
1 Month active

Languages Used

C

Technical Skills

Bug FixingC programmingCommand-line ToolsDiff algorithmsFile system operationsGit

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