Slack Release Notes - April 2026 Latest Updates - Releasebot

With Slack deeply integrated into Salesforce’s ecosystem, versioning is evolving. In 2025, Slack introduced “feature flags” that de-couple UI changes from client updates. This means some new features may appear even without a full client update. However, core performance, security, and protocol improvements will always require the Slack current version.

Before updating, verify which version you are currently running.

: A unified feed where you can filter by notification type (mentions, reactions, etc.) and save custom views for better focus. System Requirements & Support Life Cycle

Over the last 6 months, Slack has pushed a design overhaul to all users.

. Notifications were slightly delayed, and a few custom emojis weren't appearing quite right.

Launched in late 2023, Canvas represents a shift toward "Structured Communication." Unlike the ephemeral nature of chat, Canvas provides a persistent, rich-text surface attached to channels or DMs. Technically, this moves Slack closer to a wiki-model. It utilizes a block-based editor (similar to Notion) that allows for embedding third-party app widgets. This solves the "scroll-back" problem, where critical information is lost in the chronological stream of messages.