The extension is updated regularly to stay up to date with latest Salesforce API versions and formula functions. The extension goes through Google security reviews each time it is updated.
6/12/2022
Summer 2022 updates (18 new functions, latest API version).
Added loading animation for automated syntax checking.
2/8/2022
Added automated syntax checking.
1/26/2022
Added a "Review Changes" feature that highlights what changes you made from the original formula.
12/14/2021
Added font family dropdown so fixed-width/monospace fonts can be used.
12/12/2021
Added field/function autocomplete for some types of formulas.
11/14/2021
The extension now offers the ability to grant API access using OAuth if the normal "sid" session id cookie is not available. The "sid" cookie is not available if the "Require HTTPOnly Attribute" session setting is enabled for an org.
8/8/2021
Improved formatting for the CASE function and for polymorphic Owner fields.
6/8/2021
Added support for cloudforce.com
3/21/2021
The latest version of the extension (2.0) adds an "Open Enhanced Formula Editor" button for Process Builder formulas and Flow formulas. It will open a popup window with the formula in the formula editor. You can work on the formula in the popup and then click Save to apply your changes to the normal text field.
2/15/2021
Resize the editor by dragging and dropping the bottom right corner (was previously a multi-click process).
1/31/2021
The field details feature now includes the API Name for pick list options (it previously only listed the label for each option).
1/9/2021
Updated licensing system to begin transition from Google payments system.
11/22/2020
Updated to use the latest metadata API version.
6/30/2020
Updated to use the latest metadata API version.
1/6/2019
Fixed some bugs handling decimal numbers.
9/5/2018
Added a button that formats the formula for you.
7/11/2018
Editor now remembers the font size you selected.
6/24/2018
Now works with Lightning!
3/1/2017
Editor now remembers what size you made it.
8/12/2015
New "Load Field Details" button below editor that lists the fields found in the formula, their field types, and other details about them.