This week I did something I had been putting off for years: I fixed two real bugs in open-source projects and opened the PRs myself. The two were repowise-dev/repowise#3251 and sktime/sktime#11437. The repowise bug: doc_anchors only registered the first anchor when a document had repeated headings. GitHub-style suffixed anchors ( slug-1 , slug-2 ) were just missing. The sktime bug: LagLlamaForecaster._update was loading the entire series history on every update instead of keeping just...