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Plugins Directory » Redmine Lazy Load History

Author: Yasu Saku
Website: https://github.com/sk-ys/redmine_lazy_load_history
Code repository: https://github.com/sk-ys/redmine_lazy_load_history
Registered on: 2026-05-06 (2 months ago)
Current version: 0.3.0
Compatible with: Redmine 7.0.x, 6.1.x, 6.0.x, 5.1.x, 5.0.x
User ratings:   (1)

Overview

This is a Redmine plugin that progressively loads issue history on demand. Instead of loading all journals at once, it displays only the latest N entries initially and allows users to load older entries by clicking a "Show more" button.

This improves page load performance for issues with many history entries.

Features

  • Progressive Loading: Display only the latest N journals initially
  • On-Demand Loading: Load older journals with a single button click
  • Quick Full Load: Shift + click on "Show more" to load all remaining journals at once
  • Custom Event Hook: Emits a lazyLoadHistory:loaded event after journals are loaded
  • Configurable: Set the initial display count and load count per request via Administration or each user's My account preferences

Installation notes

1. Clone the plugin

cd /path/to/redmine/plugins
git clone https://github.com/sk-ys/redmine_lazy_load_history.git

2. Restart Redmine

Atom

Changelog

0.3.0 (2026-06-19)

Compatible with Redmine 7.0.x, 6.1.x, 6.0.x, 5.1.x, 5.0.x.

Fixes

  • Reviewed the design and removed the white background box

New features

  • Exposed the initContainer and initAll functions on the lazyLoadHistory object
  • Added the remaining item count to the UI
  • Added support for "change" and "note" URL hash values

Details: https://github.com/sk-ys/redmine_lazy_load_history/releases/tag/v0.3.0

0.2.0 (2026-05-08)

Compatible with Redmine 7.0.x, 6.1.x, 6.0.x, 5.1.x, 5.0.x.

Fixes

  • Remove a redundant icon class from the "Show more" button
  • Fix URLGenerationError for repository/wiki links
  • Add attachments helper to JournalsController

Features

  • Implement user preferences for initial load count and per-load count
  • Allow users to load all remaining journals by pressing Shift
  • Dispatch the lazyLoadHistory:loaded event after journal insertion

Details: https://github.com/sk-ys/redmine_lazy_load_history/releases/tag/v0.2.0

0.1.2 (2026-05-06)

Compatible with Redmine 7.0.x, 6.1.x, 6.0.x.

  • Add CustomFieldsHelper to JournalsController to fix undefined format_value error
  • Fix module definition for LazyLoadHistory
  • Fix vertical alignment of lazy load history divider

0.1.0 (2026-05-06)

Compatible with Redmine 7.0.x, 6.1.x.

User ratings

  by Damduck Yu 2 months ago

The installation was successful and the Show more button is enabled, but clicking the Show more button results in "Failed to load history: HTTP 404".