<p>@jpivarski added TStreamerInfo for TTrees in files written by Uproot. <strong>If you're using an older version, you're producing files without TStreamerInfo!</strong> (Which means they won't be readable in some older versions of ROOT, and possibly not new ones, either.) PR #472.</p>
<p>Also corrected the TLeaf fTitle for jagged arrays, which is needed to read jagged arrays back in ROOT's <code>TTree::Draw</code> and <code>TTree::Scan</code>, but not for iteration in PyROOT (which is what we had been using for testing). PR #458.</p>
<p>Added an implementation of non-split TClonesArray, which makes more files readable: PR #467, and added RNTuple to the <code>must_be_attached</code> list, which enables RNTuple objects to read more data (like TTrees): PR #463. That's just a step in developing RNTuple-reading capabilities.</p>