I am the assigned Gen-ART reviewer for this draft. The General Area Review Team (Gen-ART) reviews all IETF documents being processed by the IESG for the IETF Chair. Please treat these comments just like any other last call comments. For more information, please see the FAQ at . Document: draft-ietf-payload-rtp-jpegxs-12 Reviewer: Russ Housley Review Date: 2021-05-06 IETF LC End Date: 2021-05-17 IESG Telechat date: Unknown Summary: Almost Ready Major Concerns: Section 7.2.1: Does the SHALL related to [SMPTE-ST2110-10] only apply when TP=2110TPNL or TP=2110TPW? Please reword to be clear when this SHALL statement applies. Minor Concerns: Section 3.3: I do not have [ISO21122-2], and obviously an implementer will need that document. Can a bit more be said about "the profile" and "the level and sublevel used" without making this document too big? I am able to get a feel for the other things listed here from their names. Section 3.4: Can you please provide some explanation of the "frat field"? Nits: Section 3.2: I do not understand the the last sentence? Is it the same as: It represents sample values of a single image, without any interpretation relative to a colour space. Section 5: s/of ST 2110-21 do not /of [SMPTE-ST2110-21] do not /