Research-Driven Engineering Leadership

RDEL #130: Can automated task summaries reduce the cost of developer interruptions?

AI-generated summaries cut resumption time by 35% compared to manual notes, while developers rated them most helpful overall.

2 hrs ago

RDEL #129: What keeps AI-generated pull requests from getting merged into production?

Security and testing gaps are the most likely reasons an AI-generated PR gets rejected — but docs and style issues are the ones teams actually fix.

Feb 3

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January 2026

RDEL #128: How should product managers decide which tasks to delegate to AI?

62% of PMs use AI daily, but 47% cite quality concerns—and accountability remains firmly human

Jan 27

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RDEL #127: How is Google using AI for internal code migrations?

80% of migration code was fully AI-authored, but success required sophisticated file discovery, multi-stage validation, and human review processes.

Jan 20

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RDEL #126: How does building software by "vibe coding" change developer workflows?

Research shows developers spend over 20% of time waiting for AI and often "roll the dice" by repeating prompts without adding new information.

Jan 13

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RDEL #125: Top AI findings from the 2025 Stack Overflow Developer Survey

Favorable sentiment toward AI tools dropped from 70% to 60% in one year, even as daily usage reached 51% of professional developers

Jan 6

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December 2025

RDEL #124: Our top posts of 2025

Deep work, code reviews, async communication, and procrastination top the list this year. Notably, AI papers did not top the list (and we propose a…

Dec 23, 2025 • Lizzie Matusov

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RDEL #123: How differently do software developers perceive the same communication?

Study identifies systematic perception gaps affecting two-thirds of software project communication, regardless of developer experience or background

Dec 16, 2025

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RDEL #122: How do daily stand-ups boost team performance?

Stand-ups don't directly improve satisfaction or performance—but they foster psychological safety, which drives both outcomes with high effect sizes.

Dec 9, 2025

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RDEL #121: How does Github use DevEx data to improve productivity?

Combining quarterly surveys with system telemetry helped GitHub prioritize investments that improved both metrics and actual developer satisfaction.

Dec 2, 2025

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November 2025

RDEL #120: What skills become most valuable when developers work with AI agents?

Developers who plan before acting accept agent code more often, revealing that abstraction and specification skills matter more than typing speed.

Nov 25, 2025

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RDEL #119: What process inefficiencies have the biggest impact on developer satisfaction?

A study of agile-based software engineers finds process inefficiencies account for 33.8% of job satisfaction variance

Nov 18, 2025

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