Here are some of my current picks for Dreamforce 2017 sessions. I'm aiming for a mix of developer related topics in areas I want to learn more about plus anything that sounds informative. There are other sessions that I think are interesting as well, but I don't know how to access my bookmarked sessions.
Keynotes
Meet The *'s
- Meet the Developers
 - Parker Harris' True to the Core: What's Next for Our Core Products - Wednesday at 3 (probably) 
Of course! Currently scheduled for Wednesday at 3.
— Shawna Wolverton (@shawnawol) September 21, 2017 - Meet the Apex Engineering and Product Team
Got burning Q's about where the SWITCH statement is in #Apex or why your log is 90% ENTERING_MANAGED_PKG. This is the #DF17 session for you! https://t.co/BDfVyZOUF4
— Daniel Ballinger 🦈 (@FishOfPrey) October 26, 2017 
APIs
- Exploring Bulk API V2
 - Salesforce Platform API Soft Limits
As more and more applications are interconnected with the Salesforce APIs, daily limits become a growing concern. Join us as we go over the existing mechanisms to help you manage your API limits, and discuss how we are approaching a new generation of "soft" limits and what this will mean for your developers.
 - Synchronize Salesforce Data to Postgres with Change Data Capture
 - Connect Any External Datasource with Custom APEX Connector
 
Salesforce DX
- Salesforce DX and Fully Automated Deployments
 - Salesforce DX Packaging for ISV Partners
 - Test Automation and continuous integration in SDLC using Salesforce DX
 
IDE
Peeking under the hood
- New Apex Compiler Rollout
 - How We Do the Magic We Do - A Peek into Multi-tenancy
 - SOQL: Performance Explained
 - How Salesforce does Incremental Code Deploys for internal orgs
 
Platform Events
Platform
It needs two roadmap sessions? That's hardcore!
Einstein / AI
- Simplify Data-Driven Processes Using the Einstein Analytics Apex SDK
 - Auto-Machine Learning: The Magic Behind Einstein
 
Security
Fun
- New Life for a Commodore 64: An Old-Is-New-Again Salesforce Client
You had me at Commodore 64 - Bear Labs in the developer forest - @bear_labs
 - Codey Escape Room
Dreamforce will have it's own Codey themed #escaperoomhttps://t.co/UHMbhhMqKg pic.twitter.com/1ObwHZUz54
— Daniel Ballinger 🦈 (@FishOfPrey) September 28, 2017 - Lego Salesforce Tower
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— Daniel Ballinger 🦈 (@FishOfPrey) September 28, 2017
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========@Dreamforce lego @SalesforceTower https://t.co/ZFILb2dl0S 
Lightning
- TODO - Need something to fill out this area to be a well rounded developer. Lightning Roadmap maybe?
 - Callbacks, Events and More - Bring Sanity to Asynchronous Lightning Code