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Bug 1685123 implementation of WebEx manifest sandbox#30031

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rebloor wants to merge 2 commits into
mdn:mainfrom
rebloor:Bug-1685123-manifest-sandbox-data
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Bug 1685123 implementation of WebEx manifest sandbox#30031
rebloor wants to merge 2 commits into
mdn:mainfrom
rebloor:Bug-1685123-manifest-sandbox-data

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@rebloor

@rebloor rebloor commented Jul 12, 2026

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Summary

Add details of the sandbox manifest key and updates the content_security_policy key for Bug 1685123 "implement manifest sandbox support".

Details for Safari were based on release notes for 15.4 (resolved issues section)

Details for Chrome were based on a search that concluded that the sandboxingEval/sandbox docs page existed as of September 18, 2012. Chrome 22 was released September 25, 2012, and its release notes list "new-style packaged apps enabled by default" as a feature, packaged apps being the use case the sandbox key was built for (isolated origin, CSP with eval allowed).

Related issues

MDN content changes in PR mdn/content#44709

@rebloor
rebloor requested a review from Rob--W July 12, 2026 17:19
@rebloor rebloor self-assigned this Jul 12, 2026
@rebloor rebloor added the data:webext Compat data for Browser Extensions. https://developer.mozilla.org/Add-ons/WebExtensions label Jul 12, 2026
@github-actions github-actions Bot added the size:m [PR only] 25-100 LoC changed label Jul 12, 2026
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github-actions Bot commented Jul 12, 2026

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Tip: Review these changes grouped by change (recommended for most PRs), or grouped by feature (for large PRs).

"opera": "mirror",
"safari": {
"version_added": false
"version_added": "15.4"

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Safari does not support the sandbox feature not the corresponding content_security_policy.sandbox key.

Suggested change
"version_added": "15.4"
"version_added": false

"firefox_android": "mirror",
"opera": "mirror",
"safari": {
"version_added": "15.4"

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Suggested change
"version_added": "15.4"
"version_added": false

"firefox_android": "mirror",
"opera": "mirror",
"safari": {
"version_added": "15.4"

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Suggested change
"version_added": "15.4"
"version_added": false

"__compat": {
"support": {
"chrome": {
"version_added": "≤22"

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"__compat": {
"support": {
"chrome": {
"version_added": "≤22",

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Suggested change
"version_added": "≤22",
"version_added": "21",

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data:webext Compat data for Browser Extensions. https://developer.mozilla.org/Add-ons/WebExtensions size:m [PR only] 25-100 LoC changed

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