This week CVE-2025-40909 was assigned, for an issue we were already tracking (GH #23010). We coordinated during the week to get a fix merged (GH #23019) before 5.41.13. Thanks to Vincent Lefèvre for the report and Leon Timmermans for the fix. During the meeting we discussed getting out security releases for this soon.
We caught up on release blocker triage. We are tentatively all clear: all previously identified release blockers are now resolved, and there were no new blockers in recent issues and pull requests – except possibly a 32-bit Windows build issue we are not yet certain about. We are keeping an eye on that.
Over the past year, I’ve been self-studying XS and have now decided to share my learning journey through a series of blog posts. This third post introduces you to list context in XS.
We discussed the situation with readline and the filehandle error flag once again, starting over by revisiting the basic premise of the error flag. We think we now have a better understanding the overall situation, and this led us to a different approach about how to correct the overall situation, which we will outline as a proposal soon.
We have been wanting to revert #22465 but wanted to include a testcase that demonstrates why, which we hadn’t gotten to. In order to get this into the looming final dev release, we talked through what the testcase needs to look like, and will submit a pull request ASAP.
We caught up on new issues and pull requests for release blocker triage. We then reviewed the state of our current release blockers, some of which have been resolved, and one of which (#23026) we demoted based on our new understanding about the readline situation.
Yes, this is a Mandelbrot fractal with three heads. No cloning needed, just multiply z to the power of four and proceed as usual. Well all this and so much more contains the latest release of Juliagraph 0.7. Intro here. All I wrote about the Cellgraph and Harmonograph applies again, more features, better controls and ... you can cruise the fractal by mouse.
One of my pleasures in perl is learning the C language again. Something about the perl language makes it easier to write C, but while sharing the same space in my brain.
So how can I write a trivial program to write exactly one GB (2^30) of data to disk?
first in perl- (Of course you prototype in perl!)
But since my c program is cleaner, here’s the C program
We caught up with new issues and pull requests without finding any new release blockers.
We went over the state of the perldeprecation and perlexperiment POD pages. We found that perlexperiment does not yet reflect the change in direction regarding smartmatch. Other than that we saw nothing to do.
We went over our options regarding readline again at length. We concluded that we are not yet sure about the big across-the-board change to I/O functions, and are definitely too far into the release cycle to undertake a fishing expedition. But we don’t want to leave this problem entirely unaddressed during this cycle, and the change proposed by Tony Cook is a strict improvement, even if only a minimal one. So we decided to ship it, possibly with a slightly different implementation that we may suggest.
With the Harmonograph you can create beautiful and individual images within a few clicks. It's painting by pendulum. I already gave here an introduction. So let me just explain what is new:
Over the past year, I’ve been self-studying XS and have now decided to share my learning journey through a series of blog posts. This second post introduces the fundamentals of type checking variables in XS.
I started using DEV at the suggestion of Perl Weekly, and I was quite pleased with it - until I discovered that links to dev.to are effectively "shadowbanned" on several major platforms (Reddit, Hacker News, etc.). Posts containing DEV URLs would simply not be shown to users, making it impossible to share content effectively.
To work around this, I thought I would need a way to publish my DEV articles on my own domain so I could freely share them. There are some DEV tutorials out there that explain how to consume the API using frontend frameworks like React, however I don't enjoy frontend at all and I did not want to spend much time on that.
My solution was to get a simple Perl script that builds static versions of the articles, along with an index page. A Perl 5 script will run anywhere, including an old shared linux hosting account I still keep on IONOS, and I really like the speed of static sites.
Now that we have set up our mbtiny configuration in the previous post, we can actually use it.
Minting a new distribution
Minting a distribution is trivial once you’ve completed the setup. It’s typically just a matter of calling mbtiny mint Foo::Bar. If needed you can override the global configuration at minting time (e.g. mbtiny mint Foo::Bar --license BSD).
Converting an existing distribution
You can also convert an existing distribution to App::ModuleBuildTiny. In most cases that requires just two things:
Over the past year, I’ve been self-studying XS and have now decided to share my learning journey through a series of blog posts. This first post introduces the fundamentals of creating an perl object from XS.
Years ago I wrote about a concise fork idiom. It turns out that it’s possible to do better than everything I discussed in that entry as well as the proposals in the comments.
I didn’t at the time appreciate a clever aspect of variable scoping in Perl:
use strict;
sub get_answer { 0 }
if ( my $answer = get_answer ) {
...;
} else {
print $answer;
}
