What has happened to Clipper2 development?

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What has happened to Clipper2 development?

#1118

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AngusJohnson

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What has happened to Clipper2 development?

#1118

AngusJohnson

Oct 17, 2026 · 2 comments

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What has happened to Clipper2?

Why haven’t there been any updates in the last 6 months?

The short answer is that I have run out of steam with software development, so it is time to hand Clipper2's development over to someone else.

Software development has been a wonderful hobby of mine for almost 50 years, but it is no longer fun. Six months ago I released a new triangulation module as part of my Clipper2 library. It had a few bugs, but I thought they would be easy to fix. They were. But every time I fixed bugs I found more. I spent 3 months on this, even rewriting the entire triangulation code several times. But after 3 months, and still unable to find a robust solution, I needed a break. And I’ve now had a 3 month break. But the prospect of returning to Clipper2 no longer feels like a challenge, only a responsibility.

I’m painfully aware of a number of pending Pull Requests. And thank you to the developers who submitted them, especially for the PR’s that will significantly improve performance. Given that these PR's have passed validation testing, I could just merge them. However, I've always reviewed PR's first, as I’ve resisted merging code that I don’t fully understand. As I’m no longer keen to even review PR’s, I would prefer to pass this to whoever takes over (assuming someone does).

Clipper2 has quite a number of forks, so my current plan (though I’m open to other suggestions) is to freeze my Clipper2 repository here, and announce an ‘official’ fork for future maintenance and development. That fork would have a prominently displayed link to it from this repository.

I hope to find someone who has a solid background in C++ development, someone who not only has a vested interest in Clipper2, but will have the time and interest to take on its active maintenance, at least in the short to medium term. I’d give preference to someone who has already made contributions.

I specify C++ because I don’t think it is realistic to continue Clipper2 as a three language (C++, C# and Delphi) library. (This library only evolved because it motivated me to learn other languages.) At the same time, I hope that whoever takes over will continue to provide links to Clipper2 translations.

Please email me (angus@angusj.com) if you are interested in taking over Clipper2 maintenance and development.

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aha - there are a couple of issues I’d left open in the typescript port because I was unsure of the project’s status, so this note is clarifying and appreciated. fingers crossed it’s not too hard to find a steward already invested in the project

software started as a hobby for a lot of us. there’s that old saying, “do what you love and you’ll never work a day in your life,” but I think the reality is that, once your hobby becomes work, you really just have one less hobby. and sometimes we need to make room for new hobbies, anyway. a 50 year run is a fantastic achievement - thank you for everything!

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Just wanted to pipe in and thank you for the work you have done over the years. Clipper and Clipper2 have been the gold standard for a long time and I personally have learned a lot from using and reading the code.