[Diff since v2.19.0](v2.19.0...v2.19.1)

**Merged pull requests:**
- CompatHelper: bump compat for DataInterpolations to 7 for package docs, (keep existing compat) (#351) (@github-actions[bot])
- fixed SampledData initializaiton (#355) (@bradcarman)
- test: fix several tests (#356) (@AayushSabharwal)
- Adding Power, Modulo, UnaryMinus, Floor and Ceil blocks  (#358) (@shobhitvoleti)
- Connector name edits for Power and Modulo (#359) (@shobhitvoleti)
- Readme updated with new RC circuit example (#361) (@matthew-kapp)
- Hydraulic library updated to use macros (#363) (@matthew-kapp)
- Fixed error of tests failing (#365) (@matthew-kapp)
- test: fix several tests (#368) (@AayushSabharwal)
- Fixes issue #234 using same inputs (#369) (@matthew-kapp)
- Documentation build failure fixed (#370) (@matthew-kapp)
- Drop ref to non-existant `p_int` and fix format (#372) (@ven-k)
- Fix the diode tests + Refactor with `@mtkmodel` (#373) (@ven-k)

**Closed issues:**
- No argument 'p_int' for HydraulicPort (#354)
- ModelingToolkitStandardLibrary: Thermal Components - creating physically representative components (#357)
- QA tests fail due to Unbound Error in VariableResistor (#364)
- Dependency Symbolics from v6.29.2 to v6.30.0 is breaking (#371)

[Diff since v2.18.0](v2.18.0...v2.19.0)

**Merged pull requests:**
- refactor: only load analysis points if not defined in ModelingToolkit (#350) (@AayushSabharwal)

[Diff since v2.17.0](v2.17.0...v2.18.0)

**Merged pull requests:**
- Add capacitor initial voltage to README.md example (#341) (@jaakkor2)
- build(deps): bump codecov/codecov-action from 4 to 5 (#342) (@dependabot[bot])
- Add diode component (#343) (@langestefan)
- test: fix thermal piston test (#344) (@AayushSabharwal)
- Add variable resistor component (#346) (@langestefan)
- fix: change HeatPort to allow changing the guess (#347) (@avinashresearch1)

[Diff since v2.16.0](v2.16.0...v2.17.0)

**Merged pull requests:**
- Add `Interpolation` & `ParametrizedInterpolation` (#314) (@SebastianM-C)

[Diff since v2.15.1](v2.15.1...v2.16.0)

**Merged pull requests:**
- ci: test with `1`, `lts` and `pre` versions of julia (#337) (@thazhemadam)
- Update MTK (#338) (@SebastianM-C)

[Diff since v2.15.0](v2.15.0...v2.15.1)

**Merged pull requests:**
- add parameters to PID controllers (#336) (@baggepinnen)

[Diff since v2.14.0](v2.14.0...v2.15.0)

**Merged pull requests:**
- Remove defaults from Blocks.SISO (#334) (@bradcarman)
- Fix tests (#335) (@ChrisRackauckas)

[Diff since v2.13.0](v2.13.0...v2.14.0)

**Merged pull requests:**
- Remove defaults for Hydraulic components (#332) (@bradcarman)
- Fix typo in `Spring` and remove more defaults (#333) (@SebastianM-C)

[Diff since v2.12.0](v2.12.0...v2.13.0)

**Merged pull requests:**
- add Position source (#330) (@baggepinnen)
- Bump version for new release (#331) (@baggepinnen)

[Diff since v2.11.0](v2.11.0...v2.12.0)

**Merged pull requests:**
- add ability to modify system after analysis point handling (#316) (@baggepinnen)
- added export of missing hydraulic components (#318) (@roman-timo)
- add Rotational.Position source (#319) (@baggepinnen)
- Fix and re-enable Thermal tests (#320) (@ven-k)
- test: add Motor and Piston demos to runtest.jl (#321) (@ven-k)
- added missing docstrings for hydraulic comps: Open, SpoolValve, SpoolValve2Way, Actuator (#323) (@roman-timo)
- step is active at start time (#324) (@baggepinnen)
- added missing doc links in hydraulic.md (#325) (@roman-timo)
- add SpringDamper component (#327) (@baggepinnen)
- Fix DC Motor tutorial (#329) (@ChrisRackauckas)

**Closed issues:**
- Export standard hydraulic components (#317)
- Initialization issue in CI (#328)