Firefox 157 has landed, and includes a couple of useful CSS features:
🎉 at-rule() in @supports - lets you limit rules to browsers that support a given at-rule.
🎉 overscroll-behavior: chain - lets scrolling pass up to parent elements, but prevents UA effects like 'bounce' and overscroll.
…And more!
🎉 at-rule() in @supports - lets you limit rules to browsers that support a given at-rule.
🎉 overscroll-behavior: chain - lets scrolling pass up to parent elements, but prevents UA effects like 'bounce' and overscroll.
…And more!
Firefox 157 release notes for developers (Stable) - Mozilla | MDN
This article provides information about the changes in Firefox 157 that affect developers. Firefox 157 was released on September 29, 2026.
developer.mozilla.org
September 29, 2026 at 1:15 PM
Firefox 157 has landed, and includes a couple of useful CSS features:
🎉 at-rule() in @supports - lets you limit rules to browsers that support a given at-rule.
🎉 overscroll-behavior: chain - lets scrolling pass up to parent elements, but prevents UA effects like 'bounce' and overscroll.
…And more!
🎉 at-rule() in @supports - lets you limit rules to browsers that support a given at-rule.
🎉 overscroll-behavior: chain - lets scrolling pass up to parent elements, but prevents UA effects like 'bounce' and overscroll.
…And more!
So, have #CSS scroll markers been thoroughly murdered, or is there still hope?
developer.mozilla.org/en-US/docs/W...
developer.mozilla.org/en-US/docs/W...
::scroll-marker CSS pseudo-element - CSS | MDN
The ::scroll-marker CSS pseudo-element can be generated inside any element and represents its scroll marker. All elements can have a ::scroll-marker pseudo-element, which is placed into the ::scroll-m...
developer.mozilla.org
September 29, 2026 at 8:53 AM
So, have #CSS scroll markers been thoroughly murdered, or is there still hope?
developer.mozilla.org/en-US/docs/W...
developer.mozilla.org/en-US/docs/W...
Overview of scroll anchoring - CSS | MDN
Overview of scroll anchoring - CSS | MDN
As a user of the web, you are probably familiar with the problem that scroll anchoring solves. You browse to a long page on a slow connection and begin to scroll to read the content; while you are busy reading, the part of the page you are looking at suddenly jumps. This has happened because large images or some other elements have just loaded further up in the content.
developer.mozilla.org
September 29, 2026 at 4:40 AM
Overview of scroll anchoring - CSS | MDN
And the one time they tried to go after someone in power at least in the movie it went so wrong not to mention hor mdn got off IRL because NBC nor Chris or law enforcement did protocol on things warrants. All said tho #primetime was good even if I only went for Phoebe bridgers.
September 29, 2026 at 1:30 AM
And the one time they tried to go after someone in power at least in the movie it went so wrong not to mention hor mdn got off IRL because NBC nor Chris or law enforcement did protocol on things warrants. All said tho #primetime was good even if I only went for Phoebe bridgers.
なるほどデザイン (筒井 美希) が、Kindleストアで990円値下げされて、990円(55%OFF)+10ポイント還元になりました。
なるほどデザイン
著者：筒井 美希(著) 出版：インプレス（MdN） 2015/7/31(金)配信
5leaf.jp
September 29, 2026 at 1:55 AM
なるほどデザイン (筒井 美希) が、Kindleストアで990円値下げされて、990円(55%OFF)+10ポイント還元になりました。
Tech notes: I need to use a CSS transform() matrix, and that meant working out all the coefficients to go inside it.
developer.mozilla.org/en-US/docs/W...
developer.mozilla.org/en-US/docs/W...
transform - SVG | MDN
The transform attribute defines a list of transform definitions that are applied to an element and the element's children.
developer.mozilla.org
September 28, 2026 at 10:40 PM
Tech notes: I need to use a CSS transform() matrix, and that meant working out all the coefficients to go inside it.
developer.mozilla.org/en-US/docs/W...
developer.mozilla.org/en-US/docs/W...
We go by here all the time. I enjoy that Tony Hawk loves Detroit
themetrodetroitnews.com/tony-hawk-le...
themetrodetroitnews.com/tony-hawk-le...
Tony Hawk Leaves His Skateboard for a Fan to Find Near 8 Mile While Visiting Detroit - Metro Detroit News
Tony Hawk left his skateboard near Eight Mile and Southfield for someone to find. A fan named Matt saw Hawk’s Instagram post and went to pick it up. Matt told MDN he opened Instagram while sitting in ...
themetrodetroitnews.com
September 28, 2026 at 10:30 PM
We go by here all the time. I enjoy that Tony Hawk loves Detroit
themetrodetroitnews.com/tony-hawk-le...
themetrodetroitnews.com/tony-hawk-le...
🚆✅ Metra reports this is resolved:
MDN Inbounds and Outbound Delayed
MDN Inbounds and Outbound Delayed
Metra reports this is resolved: MDN Inbounds and Outbound Delayed
View this incident on the Chicago Transit Alerts archive.
chicagotransitalerts.app
September 28, 2026 at 9:23 PM
🚆✅ Metra reports this is resolved:
MDN Inbounds and Outbound Delayed
MDN Inbounds and Outbound Delayed
🚆⚠️ MDN Inbounds and Outbound Delayed
MDN inbound and outbound trains may be operating up to 30 minutes behind schedule due to emergency track repairs. Please visit MetraTracker.com for the location of your train.
Per Metra. Check metra.com for updates.
MDN inbound and outbound trains may be operating up to 30 minutes behind schedule due to emergency track repairs. Please visit MetraTracker.com for the location of your train.
Per Metra. Check metra.com for updates.
September 28, 2026 at 8:11 PM
🚆⚠️ MDN Inbounds and Outbound Delayed
MDN inbound and outbound trains may be operating up to 30 minutes behind schedule due to emergency track repairs. Please visit MetraTracker.com for the location of your train.
Per Metra. Check metra.com for updates.
MDN inbound and outbound trains may be operating up to 30 minutes behind schedule due to emergency track repairs. Please visit MetraTracker.com for the location of your train.
Per Metra. Check metra.com for updates.
🚆✅ Metra reports this is resolved:
MDN Train #2136 Delayed
MDN Train #2136 Delayed
Metra reports this is resolved: MDN Train #2136 Delayed
View this incident on the Chicago Transit Alerts archive.
chicagotransitalerts.app
September 28, 2026 at 7:37 PM
🚆✅ Metra reports this is resolved:
MDN Train #2136 Delayed
MDN Train #2136 Delayed
ℹ️ Based on the schedule and the reported delay, this train should have reached its destination by now.
MDN Train #2117 Delayed
View this incident on the Chicago Transit Alerts archive.
chicagotransitalerts.app
September 28, 2026 at 7:37 PM
ℹ️ Based on the schedule and the reported delay, this train should have reached its destination by now.
🚆✅ Metra reports this is resolved:
MDN Train #2117 Delayed
MDN Train #2117 Delayed
Metra reports this is resolved: MDN Train #2117 Delayed
View this incident on the Chicago Transit Alerts archive.
chicagotransitalerts.app
September 28, 2026 at 7:23 PM
🚆✅ Metra reports this is resolved:
MDN Train #2117 Delayed
MDN Train #2117 Delayed
🚆⚠️ MDN Train #2117 Delayed
MDN train #2117 scheduled to arrive Grayslake at 1:57 PM, may be operating 20 to 25 minutes behind schedule due to emergency track repairs. Visit metratracker.com for the location of your train.
Per Metra. Check metra.com for updates.
MDN train #2117 scheduled to arrive Grayslake at 1:57 PM, may be operating 20 to 25 minutes behind schedule due to emergency track repairs. Visit metratracker.com for the location of your train.
Per Metra. Check metra.com for updates.
September 28, 2026 at 7:19 PM
🚆⚠️ MDN Train #2117 Delayed
MDN train #2117 scheduled to arrive Grayslake at 1:57 PM, may be operating 20 to 25 minutes behind schedule due to emergency track repairs. Visit metratracker.com for the location of your train.
Per Metra. Check metra.com for updates.
MDN train #2117 scheduled to arrive Grayslake at 1:57 PM, may be operating 20 to 25 minutes behind schedule due to emergency track repairs. Visit metratracker.com for the location of your train.
Per Metra. Check metra.com for updates.
🚆⚠️ MDN Train #2117 Delayed
MDN train #2117 scheduled to arrive Grayslake at 1:57 PM, may be operating 10 to 15 minutes behind schedule due to emergency track repairs. Visit metratracker.com for the location of your train.
Per Metra. Check metra.com for updates.
MDN train #2117 scheduled to arrive Grayslake at 1:57 PM, may be operating 10 to 15 minutes behind schedule due to emergency track repairs. Visit metratracker.com for the location of your train.
Per Metra. Check metra.com for updates.
September 28, 2026 at 7:09 PM
🚆⚠️ MDN Train #2117 Delayed
MDN train #2117 scheduled to arrive Grayslake at 1:57 PM, may be operating 10 to 15 minutes behind schedule due to emergency track repairs. Visit metratracker.com for the location of your train.
Per Metra. Check metra.com for updates.
MDN train #2117 scheduled to arrive Grayslake at 1:57 PM, may be operating 10 to 15 minutes behind schedule due to emergency track repairs. Visit metratracker.com for the location of your train.
Per Metra. Check metra.com for updates.
🚆✅ Metra reports this is resolved:
MDN Inbound and Outbound Train Delayed Due to Emergency Track Repairs. UPDATED
MDN Inbound and Outbound Train Delayed Due to Emergency Track Repairs. UPDATED
Metra reports this is resolved: MDN Inbound and Outbound Train Delayed Due to Emergency Track Repairs. UPDATED
View this incident on the Chicago Transit Alerts archive.
chicagotransitalerts.app
September 28, 2026 at 6:37 PM
🚆✅ Metra reports this is resolved:
MDN Inbound and Outbound Train Delayed Due to Emergency Track Repairs. UPDATED
MDN Inbound and Outbound Train Delayed Due to Emergency Track Repairs. UPDATED
🚆⚠️ MDN Train #2136 Delayed
MDN train #2136 scheduled to arrive Chicago Union Station at 2:28 PM, may be operating 20 to 25 minutes behind schedule due to emergency track repairs.
Per Metra. Check metra.com for updates.
MDN train #2136 scheduled to arrive Chicago Union Station at 2:28 PM, may be operating 20 to 25 minutes behind schedule due to emergency track repairs.
Per Metra. Check metra.com for updates.
September 28, 2026 at 6:37 PM
🚆⚠️ MDN Train #2136 Delayed
MDN train #2136 scheduled to arrive Chicago Union Station at 2:28 PM, may be operating 20 to 25 minutes behind schedule due to emergency track repairs.
Per Metra. Check metra.com for updates.
MDN train #2136 scheduled to arrive Chicago Union Station at 2:28 PM, may be operating 20 to 25 minutes behind schedule due to emergency track repairs.
Per Metra. Check metra.com for updates.
I almost didn't remark upon the fact that this shipped a couple weeks ago, on September 15th.
sizes=auto is all green developer.mozilla.org/en-US/docs/W...
sizes=auto is all green developer.mozilla.org/en-US/docs/W...
September 28, 2026 at 6:22 PM
I almost didn't remark upon the fact that this shipped a couple weeks ago, on September 15th.
sizes=auto is all green developer.mozilla.org/en-US/docs/W...
sizes=auto is all green developer.mozilla.org/en-US/docs/W...
🚆✅ Metra reports this is resolved:
MDN Inbound and Outbound Train Delayed Due to Emergency Track Repairs
MDN Inbound and Outbound Train Delayed Due to Emergency Track Repairs
Metra reports this is resolved: MDN Inbound and Outbound Train Delayed Due to Emergency Track Repairs
View this incident on the Chicago Transit Alerts archive.
chicagotransitalerts.app
September 28, 2026 at 5:53 PM
🚆✅ Metra reports this is resolved:
MDN Inbound and Outbound Train Delayed Due to Emergency Track Repairs
MDN Inbound and Outbound Train Delayed Due to Emergency Track Repairs
🚆✅ Metra reports this is resolved:
MDN Train #2134 Delayed
MDN Train #2134 Delayed
Metra reports this is resolved: MDN Train #2134 Delayed
View this incident on the Chicago Transit Alerts archive.
chicagotransitalerts.app
September 28, 2026 at 5:51 PM
🚆✅ Metra reports this is resolved:
MDN Train #2134 Delayed
MDN Train #2134 Delayed
🚆✅ Metra reports this is resolved:
MDN Train #2132 Delayed
MDN Train #2132 Delayed
Metra reports this is resolved: MDN Train #2132 Delayed
View this incident on the Chicago Transit Alerts archive.
chicagotransitalerts.app
September 28, 2026 at 5:51 PM
🚆✅ Metra reports this is resolved:
MDN Train #2132 Delayed
MDN Train #2132 Delayed
🚆⚠️ MDN Inbound and Outbound Train Delayed Due to Emergency Track Repairs. UPDATED
Per Metra. metra.com
Per Metra. metra.com
September 28, 2026 at 5:49 PM
🚆⚠️ MDN Inbound and Outbound Train Delayed Due to Emergency Track Repairs. UPDATED
Per Metra. metra.com
Per Metra. metra.com
NotRestoredReasons: reasons property - Web APIs | MDN | The reasons read-only property of the NotRestoredReasons interface returns an array of NotRestoredReasonDetails objects, each representing a reason why the navigat... | developer.mozilla.org/en-US/docs/W...
NotRestoredReasons: reasons property - Web APIs | MDN
The reasons read-only property of the
NotRestoredReasons interface returns an array of NotRestoredReasonDetails objects, each representing a reason why the navigated page was blocked from using the ba...
developer.mozilla.org
September 28, 2026 at 5:41 PM
NotRestoredReasons: reasons property - Web APIs | MDN | The reasons read-only property of the NotRestoredReasons interface returns an array of NotRestoredReasonDetails objects, each representing a reason why the navigat... | developer.mozilla.org/en-US/docs/W...
🚆✅ Metra reports this is resolved:
MDN Train #2113 Delayed
MDN Train #2113 Delayed
Metra reports this is resolved: MDN Train #2113 Delayed
View this incident on the Chicago Transit Alerts archive.
chicagotransitalerts.app
September 28, 2026 at 5:37 PM
🚆✅ Metra reports this is resolved:
MDN Train #2113 Delayed
MDN Train #2113 Delayed
🚆⚠️ MDN Inbound and Outbound Train Delayed Due to Emergency Track Repairs
MDN inbound and outbound trains may be operating up to 50 minutes behind schedule due to emergency track repairs. Please visit MetraTracker.com for the location of your train.
Per Metra. Check metra.com for updates.
MDN inbound and outbound trains may be operating up to 50 minutes behind schedule due to emergency track repairs. Please visit MetraTracker.com for the location of your train.
Per Metra. Check metra.com for updates.
September 28, 2026 at 5:31 PM
🚆⚠️ MDN Inbound and Outbound Train Delayed Due to Emergency Track Repairs
MDN inbound and outbound trains may be operating up to 50 minutes behind schedule due to emergency track repairs. Please visit MetraTracker.com for the location of your train.
Per Metra. Check metra.com for updates.
MDN inbound and outbound trains may be operating up to 50 minutes behind schedule due to emergency track repairs. Please visit MetraTracker.com for the location of your train.
Per Metra. Check metra.com for updates.