Posts
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RuboCop 1.91: The Journey to 2.0 Begins
RuboCop 1.91 is out! It has the usual mix of new cops, new options and a small mountain of bug fixes, but the feature I want to talk about today is a single flag -
Read More--preview. It’s the first real step on our (long) journey to RuboCop 2.0. -
Clojurists Together Update: July and August 2026
Time for another bi-monthly update on the work that Clojurists Together are funding this year - my maintenance of nREPL, CIDER and friends. I published the previous one as a blog post for the first time and the feedback was good enough that I’ll keep doing it.
Last time I said that I had plucked most of the low-hanging fruit and that the next two months were unlikely to be as productive. Well, I was wrong. CIDER 2.0 finally shipped, and once it was out the door I used the momentum to sweep through pretty much every corner of the nREPL/CIDER ecosystem. A few long-neglected projects got proper releases, and nREPL got a couple of brand new implementations in languages I play on the side from time to time.
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Smarter Form Targeting Is Not Coming to CIDER
A couple of days ago I wrote that smarter form targeting was coming to CIDER, and I ended that post by asking whether I’d got the resolution rules right and whether anything still surprised people. I got an answer. CIDER 2.1 will ship with the classic behaviour intact.
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Smarter Form Targeting Is Coming to CIDER
If I had a dollar for every time someone asked on the Clojurians Slack in
Read More#ciderwhyC-x C-eevaluated “the wrong thing”, I’d probably be writing this post from a yacht. The answer was always the same: the cursor wasn’t where CIDER expected it to be. The upcoming CIDER 2.1 release changes that - the evaluation commands now figure out which form you mean from where your cursor actually is. -
Projectile 3.4
Projectile 3.4 is out! After the four releases that preceded it this summer, this one is polish rather than ambition.
Most of it came out of an annoyance I’d been living with for years without ever quite naming it: a lot of what I work on isn’t one directory. CIDER is really CIDER plus cider-nrepl plus orchard plus clj-refactor plus a handful of others. RuboCop is RuboCop plus rubocop-ast plus rubocop-rails and the other extension gems plus the style guide. I’ve been maintaining families of repositories for the better part of a decade.
Lately I’ve also been reaching for git worktrees far more than I used to, so the same repository is now checked out two or three times on my disk at any given moment.
Projectile saw all of that as a pile of unrelated projects, which is exactly what it looks like from the outside.
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