F2 Key:

Properties

Del Key:

Delete

Middle-click:

Open in New Tab

Click with Shift Key:

Open in New Tab

Click with Ctrl Key:

Open in New Tab

Middle-click a folder:

List View

Middle-click [Capture Again...]:

Capture Again without 'Capture Detail' dialog

Drop icon in location bar
with holding Alt key:

Bookmark with ScrapBook

Drop icon in location bar
with holding Ctrl or Shift key:

Capture Page As...

Drop selection
with holding Ctrl or Shift key:

Capture Selection As...

Drop link
with holding Ctrl or Shift key:

Capture Link As...

Middle-click [Capture Page]:

Capture Page As...

Middle-click a folder:

Open Sidebar and locate the folder

[Capture Page] > middle-click submenu

Capture Page As...

Same applies to Capture Selection, Capture Frame and Capture Link.

Middle-click folder list

Select the last used folder

Alt + A:

Create a new sticky annotation

Alt + Z:

Undo

Alt + S:

Save

Select text and Alt + Q

Highlighter

Select text and press 1, 2, 3 or 4 key

Highlighter

Right-click with DOM Eraser

DOM Isolator
(Isolate the clicked element)

Using DOM Eraser with
holding Shift key

DOM Isolator
(Isolate the clicked element)

Select text and middle-click the textbox for title

Set the selection to textbox

Click the comment icon

Expand/collapse the comment area

Enter 'f':

Change search method to [Full Text Search]

Enter 't':

Change search method to [Title]

Enter 'c':

Change search method to [Comment]

Enter 'u':

Change search method to [URL]

Enter 'i':

Change search method to [ID (Time)]

Enter 'a':

Change search method to [All]

Middle-click Search Button

Start the search

Middle-click [Capture Again...]

Capture Again without 'Capture Detail' dialog

Middle-click [Open Source URL]

Open Source URL in new tab