We are using vh, a new unit suffix (meaning percentage of viewport height), a new CSS feature that IE 8 does not support. I haven't tested yet, but this almost definitely causes major UI breakage in IE 8.
|Declined||None||T87121 IE 8 support - Flow issues (tracking)|
|Resolved||• Mattflaschen-WMF||T86411 O3. Drop viewport units IE 8 does not support (TOC v2)|