Issues

• Run progress updates miss gulmc start-up and the output stage, and can lose events

  bugenhancement
  OasisLMF/OasisLMF#2223 · Filter by author Ha-Ree opened on Oct 22, 2026
  

• Exposure summary generation takes ~50% of generate-oasis-files time

  enhancement
  OasisLMF/OasisLMF#2221 · Filter by author benhayes21 opened on Oct 21, 2026
  

• gulmc --data-server: footprint data server (servedata) fails on dynamic footprints

  bug
  OasisLMF/OasisLMF#2220 · Filter by author sstruzik opened on Oct 16, 2026
  

• Dynamic footprint: confluence areaperils merged into a 1/N mixture, and unequal realisation counts mis-paired

  bug
  OasisLMF/OasisLMF#2218 · Filter by author sstruzik opened on Oct 16, 2026
  

• Numpy 2.3 fails a run if AreaPerilID is given as a float

  OasisLMF/OasisLMF#2217 · Filter by author sambles opened on Oct 15, 2026
  2

  

• Keys server requires area_peril_id but hazard case requires areaperil_id, other files use AreaPerilID

  OasisLMF/OasisLMF#2216 · Filter by author carlfischerjba opened on Oct 13, 2026
  

• Computation step_params are copy-pasted across steps and have started to drift

  OasisLMF/OasisLMF#2215 · Filter by author sstruzik opened on Oct 13, 2026
  

• Improve consistency between reinsurance net loss and reinsurer's loss outputs

  bugenhancement
  Feature

  OasisLMF/OasisLMF#2213 · Filter by author vinulw opened on Oct 13, 2026
  

• oasislmf 2.5.8: model outputs differ on every run with default (multiprocessed) keys lookup

  OasisLMF/OasisLMF#2211 · Filter by author RegularJoe-CEO opened on Oct 13, 2026
  

• Account-level min/max deductible: insured loss too high by the location deductible on a multi-layer account

  bugImpact Loss Result
  OasisLMF/OasisLMF#2209 · Filter by author sstruzik opened on Oct 9, 2026
  

• gulmc: debug modes -d1/-d2 crash with 'cannot assign slice from input of different size'

  bug
  OasisLMF/OasisLMF#2208 · Filter by author benhayes21 opened on Oct 9, 2026
  

• Dynamic footprint: slow section reads and section data loaded twice per run

  enhancement
  OasisLMF/OasisLMF#2205 · Filter by author Ha-Ree opened on Oct 8, 2026
  

• Built-in lookup: merge step joins on a partial key set, and column names mix cases

  bug
  OasisLMF/OasisLMF#2204 · Filter by author Ha-Ree opened on Oct 8, 2026
  

• Keys rows for the same item are dropped silently, losing sections

  bug
  OasisLMF/OasisLMF#2203 · Filter by author Ha-Ree opened on Oct 8, 2026
  

• Logging for keys server built-in steps

  OasisLMF/OasisLMF#2202 · Filter by author carlfischerjba opened on Oct 7, 2026
  

• potential integer overflow issues

  bug
  Bug

  OasisLMF/OasisLMF#2197 · Filter by author SkylordA opened on Oct 6, 2026
  

• summarypy can only write binary summary streams

  enhancement
  OasisLMF/OasisLMF#2194 · Filter by author Ha-Ree opened on Oct 5, 2026
  

• Pytools Converters mix of issues

  bug
  Bug

  OasisLMF/OasisLMF#2192 · Filter by author SkylordA opened on Oct 5, 2026
  

• Pre-analysis parquet save fails on hook output with mixed-type columns (ArrowInvalid), regression from #2060

  OasisLMF/OasisLMF#2191 · Filter by author benhayes21 opened on Oct 5, 2026
  

• Remove bash check_complete (it disables errexit) and use the Python log check on every run path

  bug
  OasisLMF/OasisLMF#2189 · Filter by author Ha-Ree opened on Oct 2, 2026
  

• Resource monitor report generation is O(T×N) in _plot_cpu_time, dominates long runs

  OasisLMF/OasisLMF#2187 · Filter by author benhayes21 opened on Oct 2, 2026
  

• Duplicate location rows with conflicting site terms inflate insured losses

  bugImpact Loss ResultLTS - 2.5
  OasisLMF/OasisLMF#2181 · Filter by author sstruzik opened on Oct 1, 2026
  1

  

• No way to validate a portfolio against a model's data files before a run

  enhancement
  OasisLMF/OasisLMF#2178 · Filter by author Ha-Ree opened on Sep 30, 2026
  

• model run will not accept zipped and indexed vulnerability file - np.memmap error

  OasisLMF/OasisLMF#2176 · Filter by author carlfischerjba opened on Sep 28, 2026
  

• pytools hang or fail on macOS: Linux-only select/selector assumptions in event_stream.py (patch included)

  OasisLMF/OasisLMF#2174 · Filter by author Amirhossein-khadangi opened on Sep 27, 2026
  3