Following Deno's policy to end development, I migrated a small Deno app to Node 26 and Bun—4 things to fix, and I ran the same app on 3 runtimes side-by-side

Following the announcement of Deno's policy to end development, I investigated what needs to be fixed when migrating a small Deno app (about 60 lines, 2 dependencies) to Node 26.12.0 and Bun 1.4.3 by ...

"Installation successful"—but it doesn't work: 10 places where things go wrong silently between "installing" and "running" a package

Both pip install and pnpm add finished with success on the last line. The names are in the lock file, too. Yet, when I run it ...