How to upgrade Sencha ExtJS6 to ExtJS7

How can one upgrade Sencha ExtJS v6.2.0.103 to ExtJS v7. I do see Upgrade Guide but it does not mention anything

https://docs.sencha.com/extjs/7.0.0/guides/whats_new/api_diffs/700_classic_diff.html

Solution

Sencha's upgrade page could be better...

Here's a user who figured it out

https://www.sencha.com/forum/showthread.php?323886-How-to-upgrade-your-workspace-to-latest-Cmd-and-ExtJS

ExtJs7.4: app is locking up in tablet, but works fine on desktop, is this a memory leak issue?
EXTJS accessing component Layers of Event
extJS Overwrite property of extend component
ExtJS: How can I download ExtJS 5 non commercial source?
extjs combobox function getvalue() to return object contain multiple field values
Extjs: Override pivot.plugin.configurator setting's field
EXTJS changing statusbar background color
Sencha: Cannot satisfy requirements for "ext"
Explain ExtJS 4 event handling
extjs listeners sub component event
Adding new property to Ext JS Grid column
Ext js Grid with PHP no data output
How to return icon in row cell after API response in ExtJs
drag and drop functionality for extjs tab panel
PHP - Getting the filepath of the file after uploading to server
Sencha Architect "Unable to open your app.json file"
ExtJS 6.2: Add afterLabelTextTpl Dynamically
How to apply filter function to paging grid with local(memory) store in ExtJS6?
PageSize not working on Grid in ExtJS
How to add Paging on Grid Extjs
this.proxy is undifened EXT JS paging
Locally paging on Extjs 5 store of type AJAX
Not able to implement paging in ExtJS 4 Grid
Extjs 4.1 Paging bar (Ext.toolbar.Paging) overflow issue
ExtJS paged combo with remote JSON store. Display selected value with paging
Paging toolbar on custom component querying local data store
Override next and previous button paging toolbar sencha extjs 4.1
paging in grid extjs
Custom Paging parameters in Extjs4
ExtJS 4: Ext.grid.Panel Ext.PagingToolbar buttons (first, previous, next, last) not passing start and limit parameters