Issues

• bug: Unexpected token 'o', "ok" is not valid JSON

  dependenciesquestion
  slackapi/slack-github-action#671 · Filter by author w0rmr1d3r opened on Aug 12, 2026
  2

  

• docs: improve app creation for incoming webhook technique

  docs
  slackapi/slack-github-action#667 · Filter by author zimeg opened on Aug 11, 2026

• After v4 upgrade: webhook-type: webhook-trigger step delivers duplicate messages, then hangs until the job timeout

  needs infoquestion
  slackapi/slack-github-action#654 · Filter by author cmur2 opened on Jul 22, 2026
  7

• Action does not validate that the SLACK_WEBHOOK_URL is a valid Slack webhook URL

  discussionsecuritysemver:major
  slackapi/slack-github-action#621 · Filter by author nikwen opened on Jun 12, 2026
  1

• Is there any way to use the rich_text_list format when working with blocks?

  question
  slackapi/slack-github-action#520 · Filter by author Rebwon opened on Dec 19, 2025
  1

• TypeError: err.toJSON is not a function when webhook URL is invalid

  bug
  Bug

  slackapi/slack-github-action#511 · Filter by author pcolby opened on Nov 17, 2025 · 4.x
  2

• Slack does not display attached image URLs correctly due to long JWT token in Markdown

  bugneeds infoquestionserver-side issue
  slackapi/slack-github-action#491 · Filter by author comfuture opened on Sep 10, 2025 · 4.x
  3

  

• Escaping double quotes

  docsquestion
  slackapi/slack-github-action#476 · Filter by author ohshazbot opened on Jul 10, 2025 · 4.x
  4

• Body not formatted as markdown

  bugduplicatequestionserver-side issue
  slackapi/slack-github-action#461 · Filter by author arelstone opened on Jun 19, 2025
  2

• 📖 Documentation: Include examples preparing slack message with conditional logic

  docs
  slackapi/slack-github-action#454 · Filter by author fragkakis opened on Jun 2, 2025 · 4.x
  6

• Markdown blocks are not sending with incoming webhooks

  auto-triage-skipbugquestionserver-side issue
  slackapi/slack-github-action#440 · Filter by author wesbrownfavor opened on May 8, 2025
  6

• Filetype is not available immediately after uploading a file

  docsquestion
  slackapi/slack-github-action#413 · Filter by author samsul-kabir-cihub opened on Mar 19, 2025 · 4.x
  2

• Technique 1 example slack workflow manifest.json is cannot be to imported to Slack

  docs
  slackapi/slack-github-action#411 · Filter by author KnightArthurRen opened on Mar 12, 2025 · 4.x
  1

• Feature Request: Allow sending multiple messages at once

  enhancementquestion
  slackapi/slack-github-action#358 · Filter by author oilers opened on Nov 19, 2024
  4