New in version 1.8:
- Added a switch in the options popup to turn the add-on on or off.
- Added a hotkey (Alt+R) to turn the add-on on or off.

New in version 1.7:
- Faster loading of the ruler.
- fixed an incorrect ruler size on some pages.

New in version 1.6:
- A new 'negative' color mode darkens the rest of the page around the ruler instead of painting it in color.
- The options popup respects the browser's dark and light theme colors.
- Misc performance improvements and bug fixes.

New in version 1.7:
- Faster loading of the ruler.
- fixed an incorrect ruler size on some pages.

New in version 1.6:
- A new 'negative' color mode darkens the rest of the page around the ruler instead of painting it in color.
- The options popup respects the browser's dark and light theme colors.
- Misc performance improvements and bug fixes.

New features in version 1.6:
- A new 'negative' color mode darkens the rest of the page around the ruler instead of painting it in color.
- The options popup respects the browser's dark and light theme colors.
- Misc performance improvements and bug fixes.

Changes in version 1.3:
- You can set the color and opacity of the ruler.
- The tracking of the row of text under the mouse cursor has been improved to better highlight the correct row.