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StormSewer-0.10.1-setup.exe 2026-09-19 22.6 MB
stormsewer-cli-linux-x64.tar.gz 2026-09-19 499.3 kB
stormsewer-cli-macos.tar.gz 2026-09-19 858.1 kB
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stormsewer-web.zip 2026-09-19 66.6 kB
StormSewer-windows-x64.zip 2026-09-19 41.0 MB
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README.md 2026-09-19 2.8 kB
v0.10.1 source code.tar.gz 2026-09-19 3.7 MB
v0.10.1 source code.zip 2026-09-19 3.9 MB
Totals: 12 Items   124.9 MB 0

StormSewer v0.10.1

Fixes for four windows in the SWMM editor that shipped unusable in v0.10.0, found by photographing every one of them. Nothing in the hydraulics changed. If you are on 0.10.0, the toolbar fix alone is worth the upgrade: the button that returns to the storm-sewer workspace was not drawn at all.

The manual is at https://mf4633.github.io/stormsewer/manual/.

Fixed

  • The editor toolbar dropped controls off its own row. Seventeen labelled tools, Run and Extents leave about 112 px of a 1400 px window, and the snap toggles and workspace switch wanted about 405 px. Nothing wrapped or clipped, so they overlapped: Storm Sewer was never painted and SWMM was clipped by the window edge. The switch moves to the right end of the menu bar, and the snap toggles to View — which already had them, as Snap to Objects and Snap to Grid. Grid spacing moves there with them, under Snap to Grid. (File → Storm Sewer Design Workspace always worked.)
  • Calibration could not reach its own settings. The window's scrolling body was capped at a height larger than the window ever got, so it never overflowed, never scrolled, and everything below Compose a parameter — the whole Objective and budget section — was unreachable. The body now sizes to the window, and the run buttons sit below it where they cannot scroll away.
  • Run 2D drew an empty frame over a lone Close button before a run. It now says what it is waiting for.
  • Compare drew nothing below its A/B selectors until two runs existed. It now says so.
  • The Calibration Report's export buttons were live with no report, so Save Markdown, Save HTML and Export series CSV would each have written an empty file. They are disabled until a report exists.

Changed

  • StormSewer --screenshot gained --editor and --dialog NAME, which open the editor workspace and one of fourteen dialogs. This is how the above were found, and the images are reproducible.

Unchanged

  • The storm-sewer engine's hydraulics, including Manning's K of 1.486. Sealed sheets produced with v0.9.8 and v0.10.0 reproduce here.
  • Results are in U.S. customary units only. SI is still input-only; do not report StormSewer results in SI.
  • Everything in the v0.10.0 notes' Not in this release still stands: 2D results are checked against benchmarks and the engine's own totals, not yet against a real project; no mesh refinement around structures, no buildings except as the DEM shows them, no evaporation on the 2D surface, no volume cap on bank-line exchange; scenario batch runs go one at a time.

Full Changelog: https://github.com/mf4633/stormsewer/compare/v0.10.0...v0.10.1

Source: README.md, updated 2026-09-19