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Slack alert notifications render as plain text on mobile (Android) due to bold formatting inside links #109694

@Kobby-Bawuah

Description

@Kobby-Bawuah

Environment

SaaS (https://sentry.io/)

Steps to Reproduce

  1. Configure a Sentry alert rule to send notifications to a Slack channel
  2. Trigger the alert so a notification is posted to Slack
  3. View the Slack notification on an Android mobile device

Expected Result

The alert title (e.g., the issue name) should render as a clickable hyperlink to the Sentry issue, consistent with how it appears on Slack desktop.

Actual Result

On Slack mobile (Android), the alert title renders as plain text; not a clickable link. The same notification renders correctly as a hyperlink on Slack desktop. See images below:

Image
Image

Slack support team confirmed this is a known Slack mobile bug triggered when mrkdwn formatting (e.g., bold ...) is applied inside a link.

The current Sentry Slack message builders use the pattern <url|bold text> for alert titles. Slack's recommended workaround is to remove the inline formatting so the link uses <url|text> instead.

This affects issue alerts, metric alerts, incident alerts, and notification digests.

Product Area

Alerts

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