As of October 2021, the Planner now allows for a table view of all account balances and the ability to edit them. To access this feature, please take the following steps:

Step 1: Navigate to My Plan > Accounts and Assets

Step 2: Open the Savings section

Step 3: Press on "Update Balances ✎"

Step 4: Update your account balances

Step 5: Press Save to finish