_22 June 2022_ ([Full changelog](https://github.com/finos/perspective/compare/v1.4.0...v1.4.1))
Features
- Add python webserver handlers and clients for starlette (fastapi) and aiohttp [1828](https://github.com/finos/perspective/pull/1828)
Fixes
- Fix `set_threadpool_size(n)` for `n == 1` [1852](https://github.com/finos/perspective/pull/1852)
- Reimplement `editable` for PerspectiveWidget in JupyterLab to take into account the latest changes [1850](https://github.com/finos/perspective/pull/1850)
- Fix `finos/perspective-viewer-d3fc` chart-specific exports [1847](https://github.com/finos/perspective/pull/1847)
Misc
- Remove unused watch commands from viewer-d3fc and viewer-datagrid, remove dependabot, dont trigger full build on merge to master [1859](https://github.com/finos/perspective/pull/1859)
- Simplify and uplift binder to latest supported python, perspective wheel, and dependency set [1855](https://github.com/finos/perspective/pull/1855)
- Move CI/CD from Azure Pipelines to GitHub Actions [1808](https://github.com/finos/perspective/pull/1808)
- Make `PerspectiveViewerElement` rust type usable from non-wasm-abi [1846](https://github.com/finos/perspective/pull/1846)
- Include column name in error log for arrow filling [1841](https://github.com/finos/perspective/pull/1841)
- ExprTK/Perspective Documentation [1845](https://github.com/finos/perspective/pull/1845)