v1.15.4

DataDrivenDiffEq v1.15.4

Diff since v1.15.1

Merged pull requests:

• QA: run_qa v1.6 form + ExplicitImports (root + sublibs) (#627) (@ChrisRackauckas-Claude)
• Release 3 subpackage(s) (#628) (@ChrisRackauckas)
• Fix DataDrivenLux Downgrade lane: raise IntervalArithmetic (0.22.10) and Optim (2) floors (#629) (@ChrisRackauckas-Claude)
• Update DataInterpolations requirement from 4, 5, 6, 7, 8 to 4, 5, 6, 7, 8, 9.0 in the all-julia-packages group across 1 directory (#630) (@dependabot[bot])
• Add WyNDA online estimator (#631) (@ChrisRackauckas-Claude)
• Fix downgrade bounds and dataset comparisons (#634) (@ChrisRackauckas-Claude)
• Bump version to 1.15.2 (#635) (@ChrisRackauckas)
• ci: use targeted monorepo TagBot (#636) (@ChrisRackauckas-Claude)
• Release prep: batched version bumps for 4 packages (#637) (@ChrisRackauckas)
• Repair downstream integration coverage (#638) (@ChrisRackauckas-Claude)
• Enable rendered public API docs QA (#639) (@ChrisRackauckas-Claude)
• Bump DataDrivenDiffEq subpackage versions (#640) (@ChrisRackauckas-Claude)

Closed issues:

• Core DataDrivenDataset tests fail on exact floating-point equality (#632)
• Downgrade sublibrary CI has resolver conflicts (#633)