Redmine 6.1.1, 6.0.8, 5.1.11 released

2026-01-08 • Tags: 6.1, 6.0, 5.1, news • ISHIHARA Yukiko

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On January 5th, 2026 (Central European Time), Redmine 6.1.1, 6.0.8, and 5.1.11 were released.

These releases are maintenance releases.

What is Redmine:
Redmine is a versatile, open-source project management tool built on Ruby on Rails. It offers features like multi-project support, issue tracking, time tracking, and custom fields. Visit the official website at www.redmine.org to access a wealth of comprehensive information.

All versions contain the following security fixes:

Defect #43451: PostScript disguised as PDF can lead to arbitrary file operations via thumbnail generation
Defect #43634: Authorization bypass in Redmine allows modification of attachment metadata on invisible issues
Defect #43635: Authorization bypass in Redmine allows deletion of attachment on invisible issues external

Redmine 6.1.1 focuses on maintenance with an emphasis on the UI:

RTL Support
Numerous fixes for Right-to-Left (RTL) layouts, including the positioning of reaction buttons, copy buttons, and avatars.
Text Formatting
Improved CommonMark alert features (localized titles for "Note," "Tip," "Warning," etc.).
- Introduced a new emphasis extension for CJK (Chinese, Japanese, Korean) languages.
- Automatic insertion of list markers for task list items.
SVG Icons
Continued refinement of the new SVG icon system for better visual consistency.

Changes

Common changes in 6.1.1, 6.0.8, 5.1.11 (6 changes)

Code cleanup/refactoring

Defect #43441: Fix failures in test/system/issues_test.rb
Patch #43638: Update copyright year to 2026

Gems support

Defect #43609: Tests fail with minitest 6.0

Security

Defect #43451: PostScript disguised as PDF can lead to arbitrary file operations via thumbnail generation
Defect #43634: Authorization bypass in Redmine allows modification of attachment metadata on invisible issues
Defect #43635: Authorization bypass in Redmine allows deletion of attachment on invisible issues external

Common changes in 6.1.1, 6.0.8 (9 changes)

Custom fields

Defect #43521: Saving a custom field fails with 500 when regular expression is invalid

Issues list

Defect #43283: Overdue due date text does not turn light gray when issue is selected

No category

Patch #43275: Remove continue-on-error: true from the system test job in GitHub CI

Rails support

Patch #43633: Update Rails to 7.2.3

SCM

Defect #43525: "label_added" is not translated in the repository revision view legend

Text formatting

Defect #43612: Inline code rendering does not preserve multiple spaces

Translations

Patch #43490: Japanese translation update (jstoolbar-ja.js) for 6.0-stable

UI

Defect #43378: Column headers are slightly shifted to the right in tables in list views
Defect #43527: Login and Email columns are unexpectedly center-aligned on the Users page since Redmine 5.1

Changes only in 6.1.1 (36 changes)

Administration

Defect #43282: Locked users are not shown in gray in the user list

Code cleanup/refactoring

Patch #43257: Remove unused files related to the quote reply feature

Custom fields

Defect #43409: Progress bar custom field shows only "%" instead of "0%" when value is nil

Documentation

Defect #43491: Fix incorrect link for the Japanese CommonMark Quick Reference

Email notifications

Defect #43420: Markdown alerts are missing styling in email notifications

I18n

Defect #43522: "Ratio interval" custom field label is not localized
Patch #43379: Localize default commonmark alert titles (note, tip, warning, caution and important)

Issues list

Defect #43603: Delete link is missing from the context menu when using a relative URL root

Text formatting

Defect #43526: When using the include macro in the project description, an execution error occurs in the project list (list view)
Feature #43234: Enable CJK-friendly emphasis extension for CommonMark
Feature #43425: Update colors of Markdown "Warning" and "Caution" alerts to be consistent with standards
Patch #43328: List marker missing when regular items and task list items are mixeds

Translations

Patch #43326: Bulgarian translation update for 6.1-stable
Patch #43370: Russian translation update for 6.1-stable
Patch #43400: Japanese translation update for 6.1-stable
Patch #43433: Persian translation update for 6.1-stable
Patch #43493: Japanese translation update (field_ratio_interval and setting_issue_done_ratio_interval)
Patch #43620: Italian translation update for 6.1-stable
Patch #43630: Traditional Chinese translation update for 6.1-stable

UI

Defect #41680: Incorrect label/value order on the issue view in RTL layout
Defect #43265: Automatic list marker does not work for task list items
Defect #43422: File format custom fields use legacy download icon instead of SVG icon
Defect #43492: Initials avatar shrink in the Activity view when event titles are long
Defect #43504: Unexpected file name shown when hovering over a link in the Files column
Defect #43507: Markdown alerts do not respect RTL text direction
Defect #43509: Avatar in issue view is positioned incorrectly in RTL layout
Defect #43510: Reaction buttons are positioned incorrectly in RTL layout
Defect #43511: "Lost password" link in login form is positioned incorrectly in RTL layout
Defect #43512: Copy button on code blocks is positioned incorrectly in RTL layout
Defect #43514: Legacy icons still displayed alongside new SVG icons on some RTL pages
Defect #43520: Repository browser does not indent directory hierarchy in RTL layout
Defect #43523: Avatar layout breaks for initials icon in user import completion page
Defect #43591: Context menu is hidden behind sidebar in RTL layout
Defect #43592: Ajax indicator is broken in RTL layouts
Feature #43280: Improve visual distinction of link presence in SVG icons