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Slack November 2025 Update: 12 Critical Changes Every Admin Must Know

Your complete guide to new features, automation enhancements, and critical deprecations that require immediate action

Slack Admin Updates November 2025: A Comprehensive Guide to New Features, Enhancements, and Deprecations
Slack Admin Updates November 2025: A Comprehensive Guide to New Features, Enhancements, and Deprecations

Navigate new AI capabilities, security enhancements, and workflow automations to maximize your Slack investment

 

Your CRM implementation has been running for years. It houses valuable customer data, tracks sales activities, and supports your team's daily operations. But as your firm grows and client expectations evolve, you're noticing gaps: manual processes that don't scale, missed opportunities, inconsistent follow-up, and difficulty measuring marketing's true impact on revenue.

Quick Summary: What Slack Admins Need to Do Now

Immediate Action Required:

  • Migrate from files.upload API before November 12, 2025
  • Update desktop apps to version 4.41+ before November 24, 2025
  • Update mobile apps to 24.08.41+ before November 24, 2025
  • Export audit logs before April 30, 2026 retention policy change

New Features to Explore:

  • AI-generated channel joiner summaries
  • Nested branches for workflows (up to 5 levels)
  • Native Salesforce app with Agentforce integration
  • Enhanced time-based automation triggers

What's New in Slack November 2025?

1. Work Objects for Developers

Available: October 2025 | Plans: All plans with developer access

Transform static content into interactive experiences within Slack. Early adopters report:

  • 37% faster decision-making
  • 30% productivity increase
  • Reduced context switching

Initial Integrations: Google Drive, OneDrive, Asana, PagerDuty, Box, Highspot

2. AI-Generated Channel Joiner Summaries

Available: Rolling out now | Plans: Business+, Enterprise+ with AI

When team members join via @-mention, Slack AI provides:

  • Channel purpose explanation
  • Reason for invitation
  • Recent discussion highlights
  • Important threads and files

3. Nested Branches for Conditional Workflows

Available: Now | Plans: Business+, Enterprise+

Build sophisticated automation without code:

  • Up to 5 nested branch levels per main branch
  • 10 conditions per branch maximum
  • 70+ app integrations including Salesforce
  • Visual workflow design with color-coding

4. Native Salesforce App in Slack

Available: Now | Requires: Salesforce Enterprise/Unlimited + compatible Slack plans

Core Features:

  • Unified Salesforce list views in Slack
  • Real-time data synchronization
  • /salesforce command for search
  • Salesforce Flows integration

AI-Powered (2025):

  • Agentforce Integration for natural language queries
  • Agentforce Sales for pipeline management
  • Tableau Integration for embedded analytics

Reported Results: 30% productivity increase, faster deal closure

5. Salesforce Channel Automations

Available: Now | Plans: Business+, Enterprise+ with Salesforce

Automate channel lifecycle tied to Salesforce records:

  • Auto-create channels when opportunities created
  • Dynamic user management based on record ownership
  • Auto-archiving when deals close
  • AI conversation summaries for stakeholders

6. Enhanced Time-Based Triggers

Available: Now | Plans: Business+, Enterprise+

New trigger options:

  • "is before" – Execute before a date
  • "is after" – Execute after a date
  • "is within" – Execute during a window

7. Share Custom Sidebar Sections

Available: Now | Plans: Pro, Business+, Enterprise Grid

Teams can share custom sidebar sections through user groups for collaborative organization.

What Security Updates Were Added?

Flag Profile Content (Required for EKM)

Available: Now active | Plans: Enterprise with EKM

Profile content review is now mandatory:

  • Automatic enablement (cannot be disabled)
  • All members except guests can flag content
  • Content Admins and Org Owners review flagged items

Allowlisting for Anomaly Event Response

Available: Now | Plans: Enterprise

Create allowlists to exempt trusted entities from anomaly triggers:

  • IP addresses and CIDR ranges
  • Known ASNs
  • Designated users and IDP groups

Search by Member or Channel ID

Available: Now | Plans: Enterprise

Search the org dashboard by:

  • Member ID
  • Channel ID
  • Email domain

Updates to Data Retention Policies

Available: Now | Plans: Enterprise

Set concurrent org-level and workspace-level retention policies:

  • Workspace customization within org guidelines
  • Separate policies for public vs. private channels
  • Different retention for files vs. messages

What's Coming Soon to Slack?

  • Huddles Just-in-Time Notifications – Calendar reminders for huddles
  • Admin Advisor for Non-Enterprise – Security recommendations dashboard
  • Legal Holds for Slack Connect – Preserve external channel communications
  • Analytics for AI in Canvas – AI usage metrics and adoption tracking
  • Share AI Search Answers – Share AI responses in channels/DMs

What Slack Features Are Being Deprecated?

Files.upload API Retirement

Deadline: November 12, 2025 ⚠️

What's Changing:

Legacy files.upload is being replaced with a two-step process:

  1. files.getUploadURLExternal
  2. files.completeUploadExternal

Migration Steps:

  1. Audit code for files.upload references
  2. Update to two-step upload process
  3. Use SDK convenience methods (uploadV2)
  4. Test and deploy before deadline

OS, App, and Browser End of Support

Deadline: November 15 & 24, 2025 ⚠️

Affected Versions:

  • Desktop: Version 4.40 and below
  • Mobile: iOS/Android 24.08.40 and below
  • Chrome: 129 and below
  • Firefox: 130 and below
  • Edge: 128 and below

Action Required: Update all users before November 24, 2025

Audit Log Retention Policy Change

Effective: April 30, 2026

Slack implements a 2-year retention policy for Audit Logs.

Action Required:

  • Export historical data now
  • Set up automated ongoing exports
  • Integrate with SIEM platforms if needed

Frequently Asked Questions

When does the files.upload API stop working?

The files.upload API will be retired on November 12, 2025. You must migrate to the new two-step upload process (files.getUploadURLExternal and files.completeUploadExternal) before this date.

What Slack versions will lose support in November 2025?

Desktop app versions 4.40 and below, and mobile apps version 24.08.40 and below will lose support on November 24, 2025. Browser support ends for Chrome 129, Firefox 130, and Edge 128 and below on the same date.

How do I set up the native Salesforce app in Slack?

Install Slack for Salesforce from AppExchange, install Salesforce for Slack from App Directory, connect via OAuth, assign permission sets, configure object-level alerts, and test with a pilot group.

What is the new audit log retention policy?

Starting April 30, 2026, Slack will automatically delete audit logs older than 2 years. Export historical data before this date and set up ongoing automated exports.

Can I use nested branches in Slack workflows?

Yes, Business+ and Enterprise+ plans can now create up to 5 nested branch levels with up to 10 conditions per branch in Workflow Builder.

What are Slack Work Objects?

Work Objects are a new developer feature that transforms static content into interactive, dynamic experiences within Slack. They enable real-time updates, AI integration, and reduce context switching by up to 40%.

How does the Salesforce channel automation work?

The new Slack Channel Related Records object allows automatic channel creation when Salesforce records are created/updated, dynamic user management based on record ownership, and auto-archiving when deals close.

 


About the Author

David Cockrum is the founder of Vantage Point and a former COO in the financial services industry. Having navigated complex CRM transformations from both operational and technology perspectives, David brings unique insights into the decision-making, stakeholder management, and execution challenges that financial services firms face during migration.

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David Cockrum

David Cockrum

David Cockrum is the founder and CEO of Vantage Point, a specialized Salesforce consultancy exclusively serving financial services organizations. As a former Chief Operating Officer in the financial services industry with over 13 years as a Salesforce user, David recognized the unique technology challenges facing banks, wealth management firms, insurers, and fintech companies—and created Vantage Point to bridge the gap between powerful CRM platforms and industry-specific needs. Under David’s leadership, Vantage Point has achieved over 150 clients, 400+ completed engagements, a 4.71/5 client satisfaction rating, and 95% client retention. His commitment to Ownership Mentality, Collaborative Partnership, Tenacious Execution, and Humble Confidence drives the company’s high-touch, results-oriented approach, delivering measurable improvements in operational efficiency, compliance, and client relationships. David’s previous experience includes founder and CEO of Cockrum Consulting, LLC, and consulting roles at Hitachi Consulting. He holds a B.B.A. from Southern Methodist University’s Cox School of Business.

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