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Xdebug Update: January 2023

In this monthly update I explain what happened with Xdebug development in this past month. These are normally published on the first Tuesday on or after the 5th of each month.

Patreon and GitHub supporters will get it earlier, around the first of each month.

You can become a patron or support me through GitHub Sponsors. I am currently 41% (4% less than last month) towards my $2,500 per month goal. If you are leading a team or company, then it is also possible to support Xdebug through a subscription.

In the last month, I spend 18 hours on Xdebug, with 26 hours funded. Sponsorships, especially through Patreon, are continuing to decline, which makes it harder for me to dedicate time for maintenance and development.

Xdebug 3.2

I have continued to triage new bug reports in Xdebug 3.2, and most notably trying to find the bug that people reported with regards to the xdebug.mode setting not sticking, or being wrong. So far I have not managed to reproduce this in a reliable environment. If you run into this bug, please get in contact so that I can figure out what the cause is, by being able to reproduce this.

During a support call with one of my supporters, we discussed an issue that prevented correct breakpoints from being set through the PHP Debug Adapter for Visual Studio Code for virtual file systems, such as with the SSH FS plug-in. The debug adaptor did not know how to use a path mapping with this specific schema to work. There is now a new release (1.13.0) of the plug-in ( to make the following work:

"pathMappings": {
    "/home/derick/dev": "ssh://singlemalt/home/derick/dev"

Which maps the server path /home/derick/dev/ to the virtual file path ssh:://singlemalt/home/derick/dev, which I have added to my workspace.

Xdebug Cloud

Xdebug Cloud is the Proxy As A Service platform to allow for debugging in more scenarios, where it is hard, or impossible, to have Xdebug make a connection to the IDE. It is continuing to operate as Beta release.

Packages start at £49/month, and I have recently introduced a package for larger companies. This has a larger initial set of tokens, and discounted extra tokens.

If you want to be kept up to date with Xdebug Cloud, please sign up to the mailinglist, which I will use to send out an update not more than once a month.

Xdebug Videos

I have published no new videos this month.

I have continued writing scripts for videos about Xdebug 3.2's features, and am also intending to make a video about "Running Xdebug in Production", the updated "xdebug.client_discovery_header" feature (from Xdebug 3.1), and the new SSH FS path mapping functionality in the PHP Debug Adaptor for VS Code.

You can find all previous videos on my YouTube channel.

Business Supporter Scheme and Funding

In January, no new business supporters signed up.

If you, or your company, would also like to support Xdebug, head over to the support page!

Besides business support, I also maintain a Patreon page, a profile on GitHub sponsors, as well as an OpenCollective organisation.


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