QL-Win/QuickLook

Readest instead of SumatraPDF suggestion

Open

#1672 opened on Jun 15, 2025

View on GitHub
 (9 comments) (0 reactions) (0 assignees)C# (23,388 stars) (1,247 forks)batch import
good for a pluginhelp wanted

Description

I would like to suggest, if possible, to move away from SumatraPDF plugin and go with Readest based plugin instead. Readest is an open-source project on Github. For the short period of development, it has evolved so much, that it has left SumatraPDF in the dust. Readest uses WebView2 and with this will be similar to implement, when compared to other plugins. The developer of Readest is doing a tremendous job in immediately fixing all reported bugs and is having new versions sometimes daily. Readest's handling of EPUB, MOBI, and all digital publications is much more advanced, when compared to SumatraPDF. Extremely complex EPUBs open in Redest instantly, while the same EPUBs take forever to open in SumatraPDF. I think this will be a night and day addition to QuickLook and will enable it to instantly and reliably open any digital publications, of course excluding PDF.

Contributor guide

Tech stack
csharp
Domain
desktop
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
needs maintainer response
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
needs investigation
Prerequisites
C#Windows developmentQuickLook plugin systemWebView2
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30
Research direction
Examine the existing SumatraPDF plugin in QuickLook to understand the plugin interface and code structure (likely in C#). Then research Readest's API and how it can be integrated using WebView2, considering performance and feature parity. Review the 9 comments on the issue for maintainer feedback or additional requirements. The goal is to determine feasibility, effort, and whether the maintainers accept the suggestion before implementation.