Issues

• Some bugs I found while reviewing a PR

  bug
  scverse/annbatch#278 · Filter by author selmanozleyen opened on Sep 19, 2026
  

• ClassSampler only draws cat ~ Cats; batch ~ cat; exactly iff batch_size % chunk_size == 0

  scverse/annbatch#271 · Filter by author selmanozleyen opened on Sep 9, 2026
  

• Support for non-spatial multimodal data

  enhancement
  scverse/annbatch#266 · Filter by author Zethson opened on Aug 26, 2026
  1

  

• Possible overflow in np.diff usages with unsigned integers

  scverse/annbatch#259 · Filter by author selmanozleyen opened on Jul 23, 2026
  

• Investigate Double Buffering

  enhancementquestion
  Enhancement

  scverse/annbatch#220 · Filter by author ilan-gold opened on Jun 3, 2026

• Revisit shuffle-before-persist ordering in DatasetCollection writes

  scverse/annbatch#194 · Filter by author selmanozleyen opened on Apr 16, 2026

• Validate categorical consistency across all obs columns when building or extending DatasetCollection

  scverse/annbatch#193 · Filter by author selmanozleyen opened on Apr 16, 2026
  6

  

• Improve Sampler Parameter Documentation

  enhancement
  scverse/annbatch#178 · Filter by author selmanozleyen opened on Mar 25, 2026
  

• Multiple workers with replacement sampling

  enhancement
  scverse/annbatch#173 · Filter by author selmanozleyen opened on Mar 25, 2026

• hdf5 support via virtualizarr

  enhancement
  scverse/annbatch#138 · Filter by author ilan-gold opened on Feb 5, 2026
  1

  

• Concatenating and other operations without dask

  enhancement
  scverse/annbatch#120 · Filter by author selmanozleyen opened on Jan 22, 2026
  

• Handling different var spaces in `Loader

  enhancement
  scverse/annbatch#110 · Filter by author ilan-gold opened on Jan 15, 2026

• Use a buffer pools for reads from disk + in-memory shuffling

  enhancement
  scverse/annbatch#105 · Filter by author ilan-gold opened on Jan 6, 2026

• Supporting multiple layers, X, obsm etc.

  enhancement
  scverse/annbatch#91 · Filter by author ilan-gold opened on Dec 4, 2025
  3

• Questions and deciding between scDataset and annbatch

  question
  scverse/annbatch#90 · Filter by author andrewni4313 opened on Dec 3, 2025
  3

• Making the output datasets of add_to_collection split-able

  enhancement
  scverse/annbatch#88 · Filter by author ilan-gold opened on Nov 20, 2025

• Custom indexes

  enhancement
  scverse/annbatch#87 · Filter by author ilan-gold opened on Nov 20, 2025
  3

• Handle categoricals + obs better in preprocessing

  enhancement
  scverse/annbatch#84 · Filter by author ilan-gold opened on Nov 11, 2025

• Outputting Data to Multiple GPUs

  enhancement
  scverse/annbatch#56 · Filter by author ilan-gold opened on Oct 7, 2025

• Loader handling of var spaces

  enhancement
  scverse/annbatch#33 · Filter by author ilan-gold opened on Sep 12, 2025

• Benchmark different compression settings

  scverse/annbatch#8 · Filter by author felix0097 opened on Jun 24, 2025

• Baseline Benchmarks

  scverse/annbatch#5 · Filter by author ilan-gold opened on Jun 20, 2025

• Benchmark randomness vs performance tradeoff

  scverse/annbatch#4 · Filter by author ilan-gold opened on Jun 20, 2025

• Improve the shuffling/preprocessing code

  scverse/annbatch#3 · Filter by author ilan-gold opened on Jun 20, 2025

• Understand Sparse vs. Dense Tradeoff

  scverse/annbatch#2 · Filter by author ilan-gold opened on Jun 20, 2025