---
name: Slack Release Notes
slug: slack-release-notes
type: scrape
source_url: https://slack.com/release-notes
organization: Slack
organization_slug: slack
total_releases: 150
latest_version: 4.49.81
latest_date: 2026-04-02
last_updated: 2026-04-15
tracking_since: 2017-07-12
canonical: https://releases.sh/slack/slack-release-notes
organization_url: https://releases.sh/slack
---

<Summary type="rolling" window-days="90" release-count="7">
Slack prioritized security and stability across seven releases in the last 90 days, shipping minor security improvements in four versions and backend maintenance in the others. The team rolled out incremental security patches throughout February and March before moving to infrastructure work in early April, suggesting preparation for larger feature work ahead.
</Summary>

<Summary type="monthly" period="March 2026" release-count="3">
March focused on security hardening across three releases. The team shipped two minor security improvements early in the month, then followed with a recommended security update mid-March that addressed vulnerabilities requiring prompt adoption.
</Summary>

<Release version="4.49.81" date="April 2, 2026" published="2026-04-02T00:00:00.000Z" url="https://slack.com/release-notes#4-49-81">
## Slack 4.49.81

Bug Fixes: Backend maintenance and infrastructure improvements in preparation for upcoming features.
</Release>

<Release version="4.48.102" date="March 17, 2026" published="2026-03-17T00:00:00.000Z" url="https://slack.com/release-notes#4-48-102">
## Slack 4.48.102

Security Guidance: This release includes security improvements. Updating is recommended.
</Release>

<Release version="4.48.100" date="March 5, 2026" published="2026-03-05T00:00:00.000Z" url="https://slack.com/release-notes#4-48-100">
## Slack 4.48.100

Security Guidance: This release includes minor security improvements. Updating is beneficial.
</Release>

<Release version="4.48.99" date="March 4, 2026" published="2026-03-04T00:00:00.000Z" url="https://slack.com/release-notes#4-48-99">
## Slack 4.48.99

Security Guidance: This release includes minor security improvements. Updating is beneficial.
</Release>

<Release version="4.48.95" date="February 19, 2026" published="2026-02-19T00:00:00.000Z" url="https://slack.com/release-notes#4-48-95">
## Slack 4.48.95

Bug Fixes: Routine maintenance and stability improvements.
</Release>

<Release version="4.48.94" date="February 18, 2026" published="2026-02-18T00:00:00.000Z" url="https://slack.com/release-notes#4-48-94">
## Slack 4.48.94

Security Guidance: This release includes minor security improvements. Updating is beneficial.
</Release>

<Release version="4.48.92" date="February 13, 2026" published="2026-02-13T00:00:00.000Z" url="https://slack.com/release-notes#4-48-92">
## Slack 4.48.92

Bug Fixes: Internal improvements and optimizations.
</Release>

<Release version="4.47.69" date="December 8, 2025" published="2025-12-08T00:00:00.000Z" url="https://slack.com/release-notes#4-47-69">
## Slack 4.47.69

Bug Fixes: Small adjustments to maintain app stability and performance.
</Release>

<Release version="4.47.65" date="November 24, 2025" published="2025-11-24T00:00:00.000Z" url="https://slack.com/release-notes#4-47-65">
## Slack 4.47.65

Security Guidance: This release includes security improvements. Updating is recommended.
</Release>

<Release version="4.47.59" date="November 10, 2025" published="2025-11-10T00:00:00.000Z" url="https://slack.com/release-notes#4-47-59">
## Slack 4.47.59

Bug Fixes: Bug fixes and performance improvements.
</Release>

<Release version="4.46.104" date="October 21, 2025" published="2025-10-21T00:00:00.000Z" url="https://slack.com/release-notes#4-46-104">
## Slack 4.46.104

Bug Fixes: Minor bug fixes and app improvements.
</Release>

<Release version="4.46.101" date="October 6, 2025" published="2025-10-06T00:00:00.000Z" url="https://slack.com/release-notes#4-46-101">
## Slack 4.46.101

Bug Fixes: Minor updates with no significant changes.
</Release>

<Release version="4.46.99" date="September 22, 2025" published="2025-09-22T00:00:00.000Z" url="https://slack.com/release-notes#4-46-99">
## Slack 4.46.99

Security Guidance: This release includes security improvements. Updating is recommended.
</Release>

<Release version="4.46.96" date="September 9, 2025" published="2025-09-09T00:00:00.000Z" url="https://slack.com/release-notes#4-46-96">
## Slack 4.46.96

Bug Fixes: Code cleanup and performance optimization.
</Release>

<Release version="4.45.69" date="August 19, 2025" published="2025-08-19T00:00:00.000Z" url="https://slack.com/release-notes#4-45-69">
## Slack 4.45.69

Security Guidance: This release includes security improvements. Updating is recommended.
</Release>

<Release version="4.45.64" date="July 21, 2025" published="2025-07-21T00:00:00.000Z" url="https://slack.com/release-notes#4-45-64">
## Slack 4.45.64

Bug Fixes: Minor update with incremental improvements.
</Release>

<Release version="4.45.60" date="July 14, 2025" published="2025-07-14T00:00:00.000Z" url="https://slack.com/release-notes#4-45-60">
## Slack 4.45.60

Bug Fixes: Minor updates with no significant changes.
</Release>

<Release version="4.44.65" date="June 9, 2025" published="2025-06-09T00:00:00.000Z" url="https://slack.com/release-notes#4-44-65">
## Slack 4.44.65

Security Guidance: This release includes security improvements. Updating is recommended.
</Release>

<Release version="4.44.63" date="June 2, 2025" published="2025-06-02T00:00:00.000Z" url="https://slack.com/release-notes#4-44-63">
## Slack 4.44.63

Bug Fixes: Minor bug fixes and app improvements.
</Release>

<Release version="4.44.60" date="May 19, 2025" published="2025-05-19T00:00:00.000Z" url="https://slack.com/release-notes#4-44-60">
## Slack 4.44.60

Bug Fixes: App stability and performance improvements.
</Release>

<Pagination page="1" total-pages="8" total-items="150" next="https://releases.sh/slack/slack-release-notes.md?page=2" />