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	1007	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	16	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	207	April 21, 2025
Where do things live on Linux? Themes Development	2	1044	October 28, 2024
Is this project dead? Development	23	5149	October 25, 2024
Error when attempting to run mailspring from source Development windows	2	301	September 4, 2024
Custom theme (dark) does not inject css into the email body (iframe) Themes Development theme	2	1771	September 3, 2024
Starred folder with counts Plugins Development	1	773	June 18, 2024
Where is the macos share extension implemented? Development macos	0	425	June 7, 2024
Could Someone Give me Advice on Implementing Custom Email Templates in Mailspring? Development	1	406	May 7, 2024
[pl-PL] polish localization improvement Localization	1	407	January 9, 2024
Development question Development	2	467	November 14, 2023
Building on Windows Mailspring Development windows	3	1091	November 13, 2023
Plugin for TeX math formula rendering with MathJax Plugins Development interface , message-viewer	0	537	August 12, 2023
Need help for reimplementation of the Mailspring API Development	1	781	March 18, 2023
How to customise/override `email-frame.less` or inject styles inside the message iframe? Themes Development message-viewer	0	603	November 28, 2022
"Mailspring could not find the mailsync process" in dev build Development	4	1755	October 29, 2022
Contribute to Calendar Development calendar	2	1106	October 8, 2022
Feedback/code review on two light themes? Themes Development theme , interface	1	1042	July 31, 2022
How To Build Mailsync? Mailsync Development meta-documentation	0	1239	February 8, 2021
Developer Tools not appearing Themes Development	1	605	April 22, 2022
Deleting a group of mails Development	0	460	April 1, 2022
Backup user files can skip which mailspring files? Development	3	713	March 13, 2022
Calendar Release Date? Development calendar	3	2226	February 25, 2022
Hungarian translate problem Localization	0	710	February 6, 2022
Electron 12 Migration Mailspring Development	7	2532	January 15, 2022
Npm install fails: terminate_handler not declared within "std" Development linux	2	1166	November 21, 2021
Mailspring Chrome Extension ... A Good Idea? Plugins Development	0	1245	October 25, 2021