# Slack Developer Updated installation requirement for Slack Marketplace apps - Product: Slack Developer (https://whatsnew.fyi/product/slack-developer) - Vendor: Salesforce - Date: 2026-09-01 - Original notes: https://docs.slack.dev/changelog/2026/09/01/slack-marketplace-install-requirement - Permalink: https://whatsnew.fyi/product/slack-developer/releases/2026-09-01-updated-installation-requirement-for-slack-market What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- As of July 2026, we require that apps submitting to the Slack Marketplace have at least 10 installations on active workspaces, up from the temporary lower threshold. Your app needs to stay at 10 or mo… - **changed** — Require apps submitting to the Slack Marketplace to have at least 10 installations on active workspaces, up from the previous lower threshold