A set of useful links

Portal - New release information

Portal capabilities for Microsoft Dynamics 365 releases
Monthly updates for portals
Determine Portal version

Dynamics - Latest updates and hotfixes

Microsoft Dynamics 365 updates and hotfixes

Excel - Using structured table references

One I use a lot when prototyping in Excel is using table references; it helps both business users and developers understand the design of the solution.
Using structured references with Excel tables

Tools - Useful links to tools for building good Dynamics solutions

• Metro Studio - Useful for generating icons, good selection free to use
• Balsamiq - Useful for creating wireframes when prototyping; the hand-drawn nature takes the focus away from style to content and layout. Free to try.