Changes

|- style="vertical-align: top;"

| style="padding: .5ex 1ex 1ex 0; border-bottom: 1px solid black;" | Using DOM Mutation events

| style="padding: .5ex 1ex 1ex 0; border-bottom: 1px solid black;" | Just add a note if this is a first warning and the add-on has been approved with this code before. [https://developer.mozilla.org/en-US/docs/Web/API/MutationObserver Mutation Observers] are the recommended alternative.

|- style="vertical-align: top;"

| style="padding: .5ex 1ex 1ex 0; border-bottom: 1px solid black;" | Native object prototype extension / Using Prototype library

| style="padding: .5ex 1ex 1ex 0; border-bottom: 1px solid black;" | This only applies in XUL overlays, where the prototype extension affects the prototypes used by Firefox code and other overlays.

|- style="vertical-align: top;"

| style="padding: .5ex 1ex 1ex 0; border-bottom: 1px solid black;" | Storing passwords or other sensitive user data in the preferences

| style="padding: .5ex 1ex 1ex 0; border-bottom: 1px solid black;" |

|- style="vertical-align: top;"

| style="padding: .5ex 1ex 1ex 0; border-bottom: 1px solid black;" | Changing Firefox preferences without user consent

| style="padding: .5ex 1ex 1ex 0; border-bottom: 1px solid black;" | These include: network preferences, update system preferences, homepage, User Agent string.

|- style="vertical-align: top;"