[Diff since v5.61.1](v5.61.1...v5.62.0)

**Merged pull requests:**
- Bump actions/checkout from 5 to 6 (#340) (@dependabot[bot])
- Add Julia ecosystem to Dependabot configuration (#343) (@ChrisRackauckas-Claude)
- Add get_tstops interface for PeriodicCallback support (#345) (@ChrisRackauckas-Claude)

**Closed issues:**
- Callbacks for DDEIntegrator (#341)

[Diff since v5.61.0](v5.61.0...v5.61.1)

**Merged pull requests:**
- Add compatibility layer for OrdinaryDiffEqCore DEOptions API change (#337) (@ChrisRackauckas-Claude)

[Diff since v5.60.0](v5.60.0...v5.61.0)

**Merged pull requests:**
- feat: use new `save_discretes` in `DEOptions` (#335) (@AayushSabharwal)

[Diff since v5.59.0](v5.59.0...v5.60.0)

**Merged pull requests:**
- feat: integrate callback saving into integrator init and finalize (#331) (@AayushSabharwal)
- Fix for ODE sumtype default solver as new default (#334) (@ChrisRackauckas)

**Closed issues:**
- Solving a DDE throws a UndefRefError on >= 5.57 (#329)

[Diff since v5.58.0](v5.58.0...v5.59.0)

**Merged pull requests:**
- Bump actions/checkout from 4 to 5 (#327) (@dependabot[bot])
- fix build status readme badge (#328) (@asinghvi17)
- Fix master tests based on changes in OrdinaryDiffEq ecosystem (#333) (@ChrisRackauckas-Claude)

[Diff since v5.57.0](v5.57.0...v5.58.0)

[Diff since v5.56.0](v5.56.0...v5.57.0)

**Merged pull requests:**
- Move DDE default solver from DifferentialEquations.jl to DelayDiffEq.jl (#326) (@ChrisRackauckas)

[Diff since v5.55.0](v5.55.0...v5.56.0)

**Merged pull requests:**
- Add spell checking configuration (#319) (@ChrisRackauckas)
- [ci skip] Update typos configuration to allow technical terms (#320) (@ChrisRackauckas)
- Add downgrade CI workflow (#321) (@ChrisRackauckas)
- Apply JuliaFormatter to fix code formatting (#322) (@ChrisRackauckas)
- Update DataStructures.jl compatibility to v0.19 (#323) (@ChrisRackauckas)
- Fix JuliaFormatter line splits across DelayDiffEq.jl (#324) (@ChrisRackauckas)
- Try to fix downgrade (#325) (@ChrisRackauckas)

[Diff since v5.54.0](v5.54.0...v5.55.0)

**Merged pull requests:**
- Use explicit imports (#313) (@ChrisRackauckas)
- Add forgotten QA test group (#314) (@ChrisRackauckas)
- Add solver API documentation (#315) (@ChrisRackauckas)
- Fix citation formatting in algorithms.jl (#316) (@ChrisRackauckas)

[Diff since v5.53.1](v5.53.1...v5.54.0)

**Merged pull requests:**
- Fix non-broken tests (#312) (@ChrisRackauckas)