**What's Changed**
- Add installation CI by giswqs in [1656](https://github.com/gee-community/geemap/pull/1656)
- Fix vis control error by giswqs in [1660](https://github.com/gee-community/geemap/pull/1660)
- Fix plotly notebook typo by giswqs in [1661](https://github.com/gee-community/geemap/pull/1661)
- Refactor inspector into an ipywidgets subclass by naschmitz in [1663](https://github.com/gee-community/geemap/pull/1663)
- Refactor toolbar into an ipywidgets subclass by bengalin in [1664](https://github.com/gee-community/geemap/pull/1664)
- Fix computation for number of rows in toolbar by bengalin in [1665](https://github.com/gee-community/geemap/pull/1665)
- Update pepy badge by giswqs in [1668](https://github.com/gee-community/geemap/pull/1668)
- Defines an AbstractDrawControl and implementation for the current draw control features. by sufyanAbbasi in [1666](https://github.com/gee-community/geemap/pull/1666)
- Restore dragging mode after existing split map mode by kirimaru-jp in [1669](https://github.com/gee-community/geemap/pull/1669)
- Remove trailing spaces by schwehr in [1673](https://github.com/gee-community/geemap/pull/1673)
- Clean up docs folder by schwehr in [1672](https://github.com/gee-community/geemap/pull/1672)
- Clean up docs folder by giswqs in [1675](https://github.com/gee-community/geemap/pull/1675)
- Refactor layer manager into an ipywidgets subclass by naschmitz in [1671](https://github.com/gee-community/geemap/pull/1671)
- Add unit tests for draw control, defaults to clearing the draw control on reset, handle the last_geometry differently when calling `remove_geometry` by sufyanAbbasi in [1674](https://github.com/gee-community/geemap/pull/1674)
- Add G4G workshop notebook by giswqs in [1676](https://github.com/gee-community/geemap/pull/1676)
- Add NLCD 2021 basemap by giswqs in [1680](https://github.com/gee-community/geemap/pull/1680)
- Clean up layer management ivars. by naschmitz in [1684](https://github.com/gee-community/geemap/pull/1684)
- Refactor basemap into an ipywidgets subclass by bengalin in [1685](https://github.com/gee-community/geemap/pull/1685)
- Fix layer visualization GUI bug by giswqs in [1687](https://github.com/gee-community/geemap/pull/1687)
- Add City+ conference workshop notebook by giswqs in [1688](https://github.com/gee-community/geemap/pull/1688)
- Remove Google basemaps by giswqs in [1681](https://github.com/gee-community/geemap/pull/1681)
- Update changelog for v0.26.0 by giswqs in [1689](https://github.com/gee-community/geemap/pull/1689)
- Add script for generating changelog for mkdocs by giswqs in [1690](https://github.com/gee-community/geemap/pull/1690)
- Update changelog by giswqs in [1691](https://github.com/gee-community/geemap/pull/1691)
- Update workshop notebooks by giswqs in [1694](https://github.com/gee-community/geemap/pull/1694)
- Add close_button_position to split_map by giswqs in [1699](https://github.com/gee-community/geemap/pull/1699)
- fix notebook link in the docs and example notebook by biplovbhandari in [1701](https://github.com/gee-community/geemap/pull/1701)
- `ee_to_df` Make prop names and col names same by jdbcode in [1703](https://github.com/gee-community/geemap/pull/1703)
- Add core module by naschmitz in [1692](https://github.com/gee-community/geemap/pull/1692)
- Remove left_control/right_control in split_map() before restoring previous value of self.controls by kirimaru-jp in [1706](https://github.com/gee-community/geemap/pull/1706)
- Set default add_header to False for add_widget by giswqs in [1707](https://github.com/gee-community/geemap/pull/1707)
- Revert 1 colorbar refactor by jgarcia525 in [1721](https://github.com/gee-community/geemap/pull/1721)
- Fix ipywidgets dark mode for toolbar buttons on Colab by giswqs in [1716](https://github.com/gee-community/geemap/pull/1716)
**New Contributors**
- bengalin made their first contribution in [1664](https://github.com/gee-community/geemap/pull/1664)
- sufyanAbbasi made their first contribution in [1666](https://github.com/gee-community/geemap/pull/1666)
- kirimaru-jp made their first contribution in [1669](https://github.com/gee-community/geemap/pull/1669)
- schwehr made their first contribution in [1673](https://github.com/gee-community/geemap/pull/1673)
- biplovbhandari made their first contribution in [1701](https://github.com/gee-community/geemap/pull/1701)
- jgarcia525 made their first contribution in [1721](https://github.com/gee-community/geemap/pull/1721)
**Full Changelog**: [v0.26.0...v0.27.0](https://github.com/gee-community/geemap/compare/v0.26.0...v0.27.0)