Commits
Merge pull request #2640 in HDFFV/hdf5 from hdf5_1_12_opt_single_selection_io to hdf5_1_12 * commit 'df31370d45d53f2e8ba10e74791a91e7efdb818f': Add info to release notes about improvement for single element I/O. Eliminate allocating file & memory offset & length arrays when performing I/O on a single element.