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Planning & Processnoun · /bʌɡ rɪˈpɔːrt/

bug report

bug report — A detailed document that describes a software defect, including what went wrong, when it happens, and how to reproduce it.

In simple English

A bug report is a formal record used in software development to communicate issues found in an application or system. When testers, users, or developers discover unexpected behavior, they create a bug report that documents the problem systematically. This report typically includes the steps to reproduce the issue, the expected behavior, actual behavior, environment details (operating system, browser version, etc.), and sometimes screenshots or logs. Bug reports are essential in agile and waterfall development workflows. They move through a lifecycle: submitted, assigned to a developer, investigated, confirmed or closed, fixed, and verified. Teams use bug tracking systems like Jira, Azure DevOps, or GitHub Issues to manage these reports. The quality of a bug report directly affects how quickly developers can fix the issue. Vague reports with missing information slow down the process, while detailed reports lead to faster resolution. In tech companies, submitting a clear bug report is a core responsibility for QA engineers, developers, and product teams. This skill is highly valued because it demonstrates attention to detail and communication ability.

Understand what a bug report is, how to write one effectively, and why it matters in software development.

At a glanceCEFR B2
Commonness5/5
Versatility4/5
FormalityCasualFormalNeutral
Spoken ↔ WrittenSpokenWrittenBoth
Directness ↔ DiplomaticDirectDiplomaticDirect
RegionUS and UK

Say it like this

  • File a bug report
  • Submit a bug report to the tracking system
  • We have three open bug reports for this sprint

Use it at work

Filing one

  • I've filed a bug report with steps to reproduce.
  • Please include screenshots and the browser version in your bug report.

Triaging

  • This bug report doesn't have enough detail. Can you ask the user?
  • We got three bug reports about login this morning.

With customers

  • Thanks for the bug report. We're looking into it.
  • Can you send us a bug report from the app's help menu?

Don't say this

✕I need to bug report this issue.
✓I need to file a bug report for this issue.

Bug report is a noun, not a verb. Use 'file,' 'submit,' or 'create' with it.

Don't mix it up

How bug report differs from similar terms
TermWhat it isWho writes or uses itWhen
bug reportDescription of something brokenUsers, QA, anyoneWhen something fails
feature requestRequest for something newUsers, sales, productWhen something is missing
ticketTracked work item of any kindThe teamIn the issue tracker

Practice

Try it

4 quick exercises

Pick the most natural phrasing

1. You found a problem in the user interface. What do you do?

Complete the sentence

2. The developer asked me to _______ all issues I find in the testing phase so she can prioritize them.

Spot the mistake

3. Which sentence uses 'bug report' correctly?

Rewrite naturally

4. Rewrite using 'bug report': 'When I test the software, I find problems and write documents describing them so the programmers know what to fix.'

Say it out loud

Phrase 1 of 3

"File a bug report"

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More about bug report

Real examples(3)

  • in a standup meeting

    "I filed a bug report for the payment page crashing when users select certain currencies."

  • in a code review

    "Before we merge this, we should check if there are any related bug reports we need to address."

  • in a team meeting

    "Our bug reports this week show a pattern of performance issues under high load."

More mistakes(2)

Handle with care. Do not use 'bug report' as a verb without 'submit,' 'file,' or 'create.' Say 'file a bug report' not 'bug report it.'

  • ✕This bug report is very bug.
    ✓This bug report describes a critical bug.

    Bug report is the document itself; describe what type of issue it contains instead.

  • ✕I wrote a bug report yesterday but nobody read it.
    ✓I submitted a bug report yesterday, but the developer assigned to it has not started investigating.

    Bug reports move through a process; specify who should read it and what action is expected.

Other forms(3)

  • bug report noun (singular)

    "We received a bug report about the mobile app crashing."

  • bug reports noun (plural)

    "The team prioritized the most critical bug reports for this release."

  • bug report form / bug report system / bug report template noun (modifier)

    "Please fill out the bug report form with as much detail as possible."

Often used with(8)

  • file a bug report · Most common way to say you are creating and submitting a bug report
  • submit a bug report · Similar to file; used interchangeably in most contexts
  • create a bug report · Often used in agile environments with tracking software
  • open bug report · A bug report that has not yet been resolved
  • close a bug report · Mark a bug report as fixed or resolved
  • duplicate bug report · A bug report about the same issue reported multiple times
  • critical bug report · A bug report about a severe issue affecting core functionality
  • bug report backlog · The collection of unresolved bug reports waiting to be fixed

Similar words(4)

  • issue · Broader term; 'issue' can refer to bugs, feature requests, or other problems
  • defect · More formal; emphasizes that the behavior deviates from requirements
  • ticket · General term for any work item in a tracking system, including bug reports
  • incident · Often used in production environments for urgent problems

Questions(5)

What should I include in a bug report?
A good bug report includes: a clear title describing the issue, steps to reproduce the problem, the expected behavior, the actual behavior, environment details (OS, browser, app version), and supporting files like screenshots, logs, or videos. The more specific you are, the faster developers can fix the issue.
What is the difference between a bug report and an issue?
A bug report specifically documents a defect or malfunction in software. An issue is a broader term that can include bugs, feature requests, improvements, or documentation problems. All bug reports are issues, but not all issues are bug reports.
When should I file a bug report?
File a bug report as soon as you discover unexpected behavior or a crash. The sooner you report it, the sooner the development team can investigate. Even if you are not certain it is a bug, it is better to file a report and let the team decide.
Is 'bug report' used the same way in both US and UK English?
Yes, 'bug report' is used identically in both US and UK English. The term is standardized across the software industry worldwide.
What tools do companies use to manage bug reports?
Common bug tracking systems include Jira, Azure DevOps, GitHub Issues, Bugzilla, and Linear. These tools allow teams to organize, prioritize, assign, and track the status of bug reports throughout the development cycle.
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