Development

Mailsync Development Development of Mailsync, Mailspring’s C++ core. Localization Mailspring translation and localization. Plugins Development Development of Mailspring plugins. Themes Development Development of Mailspring themes. Mailspring Development Development of the actual Mailspring app.

Topic	Replies	Views	Activity
Contribution Workflow Development meta-documentation We use Discourse for bug reports, feature suggestions, and all discussion thereof. When it’s time to work, however, we use GitHub for actual development. If you want to work on an issue, here’s the workflow: Step 1: Cr…	1	1009	February 25, 2021
About the Development category Development	1	870	January 12, 2021
Found Plugin/Encryption Icons in static Folder – But Where’s the Code Behind Them? Development	0	26	August 5, 2025
STILL no update on creating groups and importing contacts? Development	0	95	June 13, 2025
I want Help : Custom Plugin to Auto-Tag Incoming Emails Based on Keywords? Development	0	210	April 21, 2025
Where do things live on Linux? Themes Development	2	1046	October 28, 2024
Is this project dead? Development	23	5165	October 25, 2024
Error when attempting to run mailspring from source Development windows	2	302	September 4, 2024
Custom theme (dark) does not inject css into the email body (iframe) Themes Development theme	2	1776	September 3, 2024
Starred folder with counts Plugins Development	1	773	June 18, 2024
Where is the macos share extension implemented? Development macos	0	427	June 7, 2024
Could Someone Give me Advice on Implementing Custom Email Templates in Mailspring? Development	1	407	May 7, 2024
[pl-PL] polish localization improvement Localization	1	409	January 9, 2024
Development question Development	2	468	November 14, 2023
Building on Windows Mailspring Development windows	3	1099	November 13, 2023
Plugin for TeX math formula rendering with MathJax Plugins Development interface , message-viewer	0	538	August 12, 2023
Need help for reimplementation of the Mailspring API Development	1	785	March 18, 2023
How to customise/override `email-frame.less` or inject styles inside the message iframe? Themes Development message-viewer	0	607	November 28, 2022
"Mailspring could not find the mailsync process" in dev build Development	4	1762	October 29, 2022
Contribute to Calendar Development calendar	2	1109	October 8, 2022
Feedback/code review on two light themes? Themes Development theme , interface	1	1044	July 31, 2022
How To Build Mailsync? Mailsync Development meta-documentation	0	1241	February 8, 2021
Developer Tools not appearing Themes Development	1	607	April 22, 2022
Deleting a group of mails Development	0	462	April 1, 2022
Backup user files can skip which mailspring files? Development	3	715	March 13, 2022
Calendar Release Date? Development calendar	3	2228	February 25, 2022
Hungarian translate problem Localization	0	713	February 6, 2022
Electron 12 Migration Mailspring Development	7	2537	January 15, 2022
Npm install fails: terminate_handler not declared within "std" Development linux	2	1175	November 21, 2021
Mailspring Chrome Extension ... A Good Idea? Plugins Development	0	1250	October 25, 2021