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Add partial implementation notes for align-self, justify-self, and place-self properties on absolute positioned elements #29342

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Add partial implementation notes for align-self, justify-self, and place-self properties on absolute positioned elements #29342

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Add partial implementation notes for align-self, justify-self, and pl…
captainbrosset Mar 25, 2026
f5f805a
Add bug urls
captainbrosset Mar 25, 2026
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14 changes: 11 additions & 3 deletions css/properties/align-self.json
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Original file line number Diff line number Diff line change
Expand Up @@ -513,19 +513,27 @@
],
"support": {
"chrome": {
"version_added": "122"
"version_added": "122",
"impl_url": "https://crbug.com/376097648",
"partial_implementation": true,
"notes": "Only works when the element has a non-auto inset."
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@ddbeck ddbeck Mar 27, 2026

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I think these need to be in the "bug" style rather than the implementation style, something like shown below.

But the more serious issue here is something like, "what does "work" mean?

It might be easier to explain if we invert the formulation, but I don't know what to fill in for the … here:

Suggested change
"impl_url": "https://crbug.com/376097648",
"partial_implementation": true,
"notes": "Only works when the element has a non-auto inset."
"partial_implementation": true,
"notes": "If `inset: auto` applies to the element, then … . See [bug 376097648](https://crbug.com/376097648)"

},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "134"
"version_added": "134",
"impl_url": "https://bugzil.la/2026174",
"partial_implementation": true,
"notes": "Only works when the element has a non-auto inset."
},
"firefox_android": "mirror",
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "26"
"version_added": "26",
"partial_implementation": true,
"notes": "Only works when the element has a non-auto inset."
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
Expand Down
14 changes: 11 additions & 3 deletions css/properties/justify-self.json
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Original file line number Diff line number Diff line change
Expand Up @@ -264,19 +264,27 @@
],
"support": {
"chrome": {
"version_added": "122"
"version_added": "122",
"impl_url": "https://crbug.com/376097648",
"partial_implementation": true,
"notes": "Only works when the element has a non-auto inset."
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "134"
"version_added": "134",
"impl_url": "https://bugzil.la/2026174",
"partial_implementation": true,
"notes": "Only works when the element has a non-auto inset."
},
"firefox_android": "mirror",
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "26"
"version_added": "26",
"partial_implementation": true,
"notes": "Only works when the element has a non-auto inset."
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
Expand Down
14 changes: 11 additions & 3 deletions css/properties/place-self.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -146,19 +146,27 @@
],
"support": {
"chrome": {
"version_added": "122"
"version_added": "122",
"impl_url": "https://crbug.com/376097648",
"partial_implementation": true,
"notes": "Only works when the element has a non-auto inset."
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": "134"
"version_added": "134",
"impl_url": "https://bugzil.la/2026174",
"partial_implementation": true,
"notes": "Only works when the element has a non-auto inset."
},
"firefox_android": "mirror",
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "26"
"version_added": "26",
"partial_implementation": true,
"notes": "Only works when the element has a non-auto inset."
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
Expand Down
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