Merged where it counts.
Bugs found in the libraries I use, fixed with a test, reviewed and merged by their maintainers. Every merged pull request is below.
24merged PRs
18projects
338K+combined stars
The ledger
- PyTorch★ 105.0KSGD rejects NaN lr, momentum and weight_decay at construction instead of silently training on NaN.#199953 Merged
- mem0★ 67.6KAzure AI Search vector store for the TypeScript SDK: hybrid search, quantization, OData filters (+754 lines).#3549 Merged
- Hindsight★ 52.6KFixed two silent audit-log losses: GC-able fire-and-forget tasks and writes dropped at shutdown.#5092 Merged
- pandas★ 50.2KRegression test for a PyArrow datetime merge (GH#61926).#62592 Merged
- pandas★ 50.2KRuff B905 strict-zip enforcement in pandas/_config.#62591 Merged
- pandas★ 50.2K@Appender to inline docstring migration for DataFrame.items().#62600 Merged
- matplotlib★ 23.4KDocumented the TwoSlopeNorm linear colorbar workaround.#30639 Merged
- sktime★ 10.1KRepaired broken pytorch-forecasting doc references in forecaster adapters.#8923 Merged
- SQLFluff★ 10.0KPostgreSQL OPERATOR(schema.operator) parser via a new QualifiedOperatorSegment (+649 lines).#7163 Merged
- hiring-agent★ 7.3KFixed a PyMuPDF memory leak that grew by hundreds of MB over ~50-PDF batches.#133 Merged
- hiring-agent★ 7.3KFixed cross-platform UTF-8 cache-write failures on Windows.#129 Merged
- PyTorch-Ignite★ 4.8KReduceLROnPlateauScheduler now respects min_lr instead of decaying past it.#3876 Merged
- NumPyro★ 2.8KHurdle distributions over positive continuous bases now include zero in their support.#2364 Merged
- NumPyro★ 2.8Kinit_to_mean falls back to the median when a heavy-tailed prior has no finite mean.#2370 Merged
- QuTiP★ 2.1Krand_dm / rand_herm no longer hang forever on equal eigenvalues.#3049 Merged
- PyMC-Marketing★ 1.3KFixed notebook equation rendering.#3215 Merged
- PyMC-Marketing★ 1.3KFixed extend_dataset.#3206 Merged
- sbi★ 876Sinkhorn solver behind wasserstein_2_squared now stops on marginal error and warns when unconverged.#2078 Merged
- sbi★ 876MixtureDensityEstimator.log_prob was off by (D−1)·log(std) under structured z-scoring.#2079 Merged
- toqito★ 292kraus_to_choi misread wrapped completely-positive Kraus lists.#1989 Merged
- QuTiP-QIP★ 157Processor.run_state no longer mutates the caller’s collapse operators.#427 Merged
- PyMC-Extras★ 143Deterministic Windows parallel-pathfinder test.#802 Merged
- naija-nutri-hub★ 24Secure OTP email verification on signup, with rollback on failure.#52 Merged
- ArviZ-Stats★ 18histogram put the two largest integer values in one bin; 0/1 data got a single bin.#505 Merged
Fixes credited to me
These pull requests were closed without merging, but the maintainer landed the fix and credited me.
Closed-Unmerged
Langfuse
Diagnosed a prompt-cache key collision (version 3 and label "3" shared one Redis key). Maintainers landed the fix as #15040, crediting my PR #14789.
Closed-UnmergedPyTensor
Found a numba Cholesky compile failure on read-only inputs. The maintainer landed the fix in #2558 with me as co-author (my PR #2548).
Closed-UnmergedPyMC
Found wrong ExGaussian and SkewStudentT means. The maintainer landed the fix with me as co-author (my PR #8515).
Hall of FameLangfuse security
Listed in the Langfuse Responsible Disclosure Hall of Fame (Jul 2026) for a responsibly disclosed project-role update issue.
GitHub activity
As of 2026-10-29@G26karthik on GitHub
- 1,306contributions, past year
- 941commits
- 70pull requests opened
- 41pull requests merged, all repositories
- 143active days
- 13day longest streak
Oct 2025Oct 2026
- Python 71.1%
- Jupyter Notebook 8.2%
- TypeScript 6.2%
- JavaScript 5.9%
- HTML 2.9%
- CSS 1.4%