Files
swaits 6371d82f40 docs(0.9): release notes, cookbook recipe, README polish
Companion to the feat(explorer) commit. Bumps the version and
brings every cross-referencing doc up to v0.9 currency.

- Cargo.toml: version 0.8.0 -> 0.9.0.
- CHANGELOG: 0.9.0 entry covering the explorer export, the
  Problem-side metadata additions, the AlgorithmInfo trait, the
  pick_a_car example, and the new cookbook recipe.
- README: closing paragraph of the PickACar example points users
  at the explorer with a one-call snippet
  (`ExplorerExport::from_result(...).with_algorithm_info(...)
  .to_file(...)?`). Version snippets bumped 0.8 -> 0.9.
- New cookbook recipe at docs/book/src/cookbook/explorer.md
  covering: enabling the serde feature, enriching Problem with
  labels/units/decision-schema, the export call, the JSON schema,
  and custom decision-type handling.
- SUMMARY.md and cookbook.md link the new recipe.
- migration.md: new "To 0.9" section documenting the additive
  changes (purely backwards-compatible upgrade from 0.8.x).
- introduction.md, comparison.md, choosing-an-algorithm.md,
  stability.md: version refs bumped 0.8 -> 0.9.
- cookbook/parallel.md, cookbook/async.md: version refs bumped
  0.8 -> 0.9.
- getting-started.md: version refs bumped, serde feature
  description expanded to mention the explorer module.
- SECURITY.md: supported-versions table moves to 0.9.x.
2026-05-06 22:45:59 -06:00

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Markdown

# Security policy
## Supported versions
Security fixes are applied to the latest released minor version on
crates.io. Patch-level releases (`0.x.y``0.x.y+1`) are issued as
needed.
| Version | Supported |
|---------|--------------------|
| 0.10.x | ✅ |
| ≤ 0.9.x | ❌ (please upgrade) |
heuropt is pre-1.0; the public API may change between minor versions.
Once 1.0.0 ships, the support window will be at least the latest two
minor versions.
## Reporting a vulnerability
Please **do not** open a public GitHub issue for a security bug.
Instead use one of these channels:
- GitHub's [private vulnerability reporting](https://github.com/swaits/heuropt/security/advisories/new)
on the repository.
- Email **steve@waits.net** with subject line `[heuropt security]
<short summary>`.
Please include:
1. A description of the vulnerability and the affected versions.
2. The smallest reproducer you can produce — a `cargo run --example
repro` is ideal.
3. Your assessment of impact and exploitability.
4. Any suggested mitigation if you have one.
## What I will do
- Acknowledge the report within **72 hours**.
- Confirm or refute reproducibility within **7 days**.
- Issue a fix in a patch release within **30 days** for confirmed
high-severity issues; less urgent issues may roll into the next
minor release.
- Credit the reporter in the CHANGELOG entry unless you ask
otherwise.
## What counts as a security issue
heuropt is a numerical library, not a network service or sandbox. The
realistic security-relevant categories are:
- **Memory safety**: any unsafe-code-related UB or unwinds-across-FFI
bug. heuropt itself uses no `unsafe`; this category covers
dependencies it transitively pulls in.
- **Denial of service**: an input to a public API that causes
unbounded memory growth, infinite loop, or panic outside its
documented panic conditions. (Documented panics for invalid config
are not bugs.)
- **Supply-chain compromise**: a published heuropt crate that doesn't
match the source on the tagged commit.
Functional correctness bugs (an algorithm produces wrong
hypervolumes, etc.) are tracked as ordinary issues, not security.