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Mojang Bug Tracker Guidelines

The Mojang Bug Tracker is the place where all bugs in Minecraft and other games created by Mojang Studios are reported, documented, and tracked. Please read the full guidelines very carefully before you proceed to create a bug report or participate on the bug tracker.

If you need additional help with reporting a bug or have questions about the bug tracker, feel free to ask other players in the community by visiting our official Minecraft Discord, or visit one of the community sites linked here.

Table of Contents

What can be reported on the bug tracker and what cannot?

We will only accept your bug report if it is about a bug. A bug is something in the game not behaving the way it should, due to a problem in the game's code. As such, it should be reproducible and not be caused by circumstances outside of the game. Keeping the bug tracker focused on true bugs helps to get them addressed faster by Mojang.

The following kinds of issues are not bugs and are not allowed on the bug tracker:

  • Minecraft account or payment issues
    If you have trouble accessing your Minecraft account, or if you have payment or purchase issues (including Realms and Marketplace), please contact Customer Support. We cannot help with this on the bug tracker.
  • Technical issues
    If you need help with a technical issue (for example, if Minecraft doesn't launch at all), please use the Community Support Discord server mentioned here.
  • Suggestions and feature requests
    If you want to suggest a new feature to Minecraft, or if you want to post a suggestion, please do so on the official Minecraft feedback site or visit one of the community links
  • Parity issues introduced prior to the Buzzy Bees update
    If you want to report a parity issue (a difference between the different editions of the game), please review the official parity issue guidelines before doing so. If your report does not fulfill all of the criteria, it belongs on the official Minecraft feedback site.
  • Translation issues for Java Edition and the Minecraft Launcher
    These translation issues need to be raised in the Minecraft or Minecraft Launcher Crowdin projects, since the translation of the game is done there by members of the Minecraft community.
    Issues with the original “English (US)” language are allowed on the bug tracker since they are not included in the community translation process.
  • General connection issues (Realms, Marketplace) and authentication issues
    These issues are typically outside the control of the game’s code and are usually due to server maintenance, downtime, or local network configuration. If the issues persist, you might want to ask the community (see FAQs).

How to use the bug tracker’s search function efficiently

Before reporting a bug, always search for an existing report about it. Here are a few tips on how you can search for already existing bug reports:

  • Use as few keywords as possible. The search engine will only find bug reports containing all of the words in your query. For example, search for “squid suffocate” instead of “Squid will frequently suffocate for no reason when swimming around in a river”.
  • Be sure to spell all words correctly.
  • Try multiple separate searches using synonyms. For example, “workstation”, “job site”, and “profession block”.
  • Restrict your search to the project you want to report the bug to. A list of all current projects with an explanation about what they are for is included below.
  • Sort your search results by created date, with the newest bug reports on top. Go through them one by one and check if they describe your issue.
  • If there are too many bug reports to go through, you can change the sorting (e.g. by sorting by votes), further refine your search query, or exclude already resolved bug reports. Do keep in mind, though, that the issue you’re searching for may have already been addressed in a resolved report.

If you find that your issue has already been reported, look at the Resolution of the report to determine what steps to take next.

  • Unresolved – The bug has not been fixed yet. In this case, please vote for the bug report. This helps us gauge how many players are affected by the bug. You can also add more information to the bug report if you think anything is missing (see below).
  • Awaiting Response – Take a look at the “Comments” section to see what is currently missing from the bug report. You can provide this missing information in a comment to reopen the report (see below).
  • Duplicate – Follow the link to its parent report in the “Issue Links” section. That parent report is where your issue is tracked at.
  • Fixed – Take a look at the “Fix version”. This is the version in which the bug was fixed by Mojang. If you’re using a newer version than the one specified, create a new bug report if you can’t find another, newer, report about your issue. If the fix version is a “Future version”, the bug will be fixed in a version that has not yet been released to the public.
  • Other Resolutions – Read the comments carefully, if there are any, to understand why it has been resolved. Also see our FAQ for more information on what the different resolutions mean.

Contributing guidelines

If you found an already existing bug report about your issue, you can add more information to it by commenting or attaching a file (e.g. a screenshot or video). Please follow the following guidelines when contributing to the bug tracker in any way:

General

  • The bug tracker is a public place. DO NOT share your password, email address, transaction ID, or other personal information under any circumstances.
  • Do not impersonate others, for example via your username or display name.

Comments

  • Do not leave a comment on a bug report if you don't have anything new to add to it.
  • Do not add comments like “me too” or similar that simply state that you experience the bug without any further information.
  • Keep all comments related to information about the bug itself. Complaints and criticism of Mojang, its employees, or anyone else are not acceptable on the bug tracker.
  • Any kind of profanity and NSFW content is not allowed on the bug tracker.
  • If you want to initiate a discussion about a bug or need to report someone, please take the discussion outside of the bug tracker (see FAQs), not directly on the bug tracker.
  • Do not imitate or use the preformatted responses used by helpers or moderators.

Attachments

  • Do not attach new screenshots unless they show something significantly different than the ones that are already there.
  • When attaching a file to an existing bug report, please additionally post a comment for context.
  • When embedding a picture in a comment (or the description of a bug report), make sure that the image size is not too large.
    For that, the following markup can be used in text editing mode:
    !picture_name.png|thumbnail!
  • Be careful to erase any personal information (email, gamer tag, realm links, etc.) from your attachments before posting them.

General bug report guidelines

When creating a bug report, please keep the following guidelines in mind:

  • If your bug report contains sensitive information which you don’t want to be publicly visible, set the “Security Level” of the report to “Private” and explicitly mention that you don’t want it to be public.
  • In case you have discovered an exploit or a security issue, please set the bug report’s “Security Level” to “Private” so that only yourself, Mojang employees, and bug tracker moderators are able to view your bug report.
  • Before creating a bug report, please spend a bit of time in order to check whether someone else has already reported it. We have included some helpful tips above, about how to use the search function effectively.
  • We only accept bug reports in English, sorry. Please do not create bug reports in other languages.
  • Please only put one issue into each bug report. We will not accept your bug report if you include multiple bugs in it.
  • If you are using any mods or third-party tools whatsoever, please check if the issue persists in a completely unmodified Minecraft environment before reporting it. If it doesn't, please report the bug to the mod creator, not Mojang.
    • This includes third-party server software, such as Spigot or Paper.
    • Optifine is considered a mod in all circumstances.
    • Worlds that have been opened with a third-party tool are not supported.
  • If you have an issue on a large multiplayer server (like Hypixel or The Hive), contact the server staff first before creating a bug report. These kinds of servers usually run modified server software that is not supported by Mojang.
  • Only report a bug if you are sure that it is still present in the latest version of the game. We do not accept bug reports for any versions except for the latest release and the latest development version.
  • Make sure that you're reporting the issue to the correct project:
  • The “Labels” field is for use by helpers or moderators to help organize bug reports. Please only use already existing labels and don’t create new labels. For more information on how labels work, see our FAQ.
  • After having created a bug report, look out for incoming emails or regularly check the bug report for updates or potential further inquiries.
  • Keep the project-specific guidelines in mind as well.

How to write helpful bug reports

In order to make sure that your bug report is easily understandable and has a high quality, it is strongly recommended that you follow these guidelines:

  • Write a concise summary that clearly states the problem. Avoid generic statements like “Help!”, “It doesn't work”, “It’s broken”, or “There’s a bug”, and instead use a short phrase to accurately summarize your issue. You may find it helpful here to think about what you would search for to find the issue.
  • Include precise steps to reproduce the issue. Write down what exactly you did in order to cause the issue. If you are not sure, try to recreate the bug in a test world. Use a numbered list for the steps, so it is easy for someone else to follow.
  • After listing the steps, clearly state what happens, and what you expect should happen.
  • Include the exact text of any messages (e.g. error messages) that appear at the time of your issue.
  • Attach screenshots to the report to showcase the issue more clearly. If possible, you can attach a short video as well. In some cases it might also make sense to provide a world save (as ZIP archive).
    • When you want to attach something to the bug report, but the file size is too large, please upload it somewhere else and link to it in the description of the bug report. For more information on this, see our FAQ.
  • If your bug is linked to a specific world, such as a world generation, portal transport, biome, or structure issue, be sure to include the world seed and all relevant coordinates.
  • Do not use excessive formatting (bold, all caps, large text, multiple blank lines, etc).
  • If you are aware of any situation in which the behavior you are reporting is used as a feature, please mention it in the description of your bug report. This way the developers can decide if they want to keep the behavior or add a respective replacement for it.
  • Take your time and don’t be in a hurry. Read over your bug report to make sure you didn’t leave out anything and that everything is clear.

Project-specific guidelines

Minecraft: Java Edition

  • If you want to report a crash, make sure to attach the crash report to the bug report. You can find crash reports in the “crash-reports” subfolder of the .minecraft data folder. If there is no relevant crash report, attach the launcher log.
  • If you create a bug report about a server-side performance issue, make sure to include the debug profile and report to the bug report. You can create them by using the /debug.
  • If you create a bug report about a client-side performance issue, please provide detailed information about your system specifications and the circumstances in which the performance issue occurs. Bug reports about general performance issues (for example “Minecraft always has low FPS”) are usually not accepted.

Minecraft (Bedrock codebase), Minecraft Dungeons, and Minecraft Earth

  • Please always specify exactly what device (platform) you are using.
  • Crash logs are automatically collected and reported to Mojang. Only report a crash if you can provide a list of steps to reproduce the crash.

Minecraft Realms

  • Make sure the Affected Version and Platform match.
  • Specify the device you are using in the Environment field.
  • Specify whether you are the realm owner.
  • Search the corresponding main project (MC or MCPE) for existing bug reports also.
  • If you are unable to connect to realms that were previously working, check the Official Mojang Status to see if there is any scheduled maintenance or other connection issues.

Example template

Here’s an example of how you could format a new bug report, feel free to copy and paste this:

[Briefly describe the bug here]

Steps to Reproduce: [Step 1]
[Step 2]
[Step 3]
Observed Results:

[Describe what happens]

Expected Results:
[Describe what should happen]

Screenshots/Videos:
[Please attach an image or short video]

Notes:
[Any further information you can give about the bug, such as explaining any attachments
you’re including, when the bug started to happen, how you’ve tested the bug,
messages shown (e.g. error messages), and how the bug impacts gameplay.]

 

Example bug reports

Here are some well-written bug reports that you can take a look at as an example:

Last Updated - 2020-10-25 11:00:45 UTC

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