aggregateRowssupport to reflect internal migration away from Matrix.utils dependency.
spikeNamessupport due to a breaking change in SingleCellExperiment, which has removed
isSpikein favor of
altExps. Refer to the SingleCellExperiment documentation for updated current best practice for handling spike-in transcripts, which now requires slotting a separate SummarizedExperiment object containing things like ERCCs inside the main SingleCellExperiment.