No specific info about version 5.5. Please visit the main page of Sketch on Software Informer.
Standard
$9.00 per user / month
A home for your work
<ul>
<li>Unlimited documents and projects, version history, shared Libraries, members and Guests.
A native Mac editor
<ul>
<li>Real-time collaboration, components, prototyping, advanced layout, customizable, works offline.
A web app for everyone
<ul>
<li>View projects and documents, inspect designs, download assets, comment and discuss.
Business
Custom
Includes features of Standard plan, plus
Single Sign-On (SSO)
Priority support
Invoice-based billing
Dedicated Customer Success Manager
Security reviews and custom terms
Comments