Solution to 7D has been deliberately left unsolved and is to be answered by a non-regular/novice commenter, with proper annotation. Those who have answered earlier in the week, please give others a chance.
Open for anyone to answer, if not solved by 1 PM.
BY GEORGE!
ACROSS
1 European in hurry, cycling for show (5) USHER {E} in {(-r)USH(+r)R}
4 Supported revolutionary Polish pacifist, right? (5,4) TIDED OVER {EDIT<=}{DOVE}{R}
10 Chest scratched on both sides? Characteristic of fretfulness (7) COFFRET [T]
11 Man, perhaps I'm boring, overly fussy (6) ANIMAL {AN{IM}AL}
15 Worried if flu U-turn is something not likely to yield (10) UNFRUITFUL*
18 With constraints dropped, Agent-I lessened courteous behaviour (10) GENTILESSE [T] Not exactly constraints that are dropped?
19 Till supply ends / first of February (4) FARM {ARM}<=>{Fe...y}
22 Unethical lab won; safeguards partially retracted? Swell! (8) SNOWBALL [T<=]
24 Popcorn ABC? (6) CARBON {CORN+AB}*
27 Exciting undergarment and new shirt, after six (7) VIBRANT {BRA}{N}{T}<=>{VI}
28 Deodorise extravagantly around centre of navel, conceding, "I used too much" (9) OVERDOSED {DEODORiSE}* over {naVel}
29 Dog//fighter? (5) BOXER [DD]
DOWN
1 Release snake under bulk of relative (7) UNCLASP {ASP}<=>{UNCLe}
2 Continuing with unfinished holy dip? No, god no! (7,2) HOLDING ON {HOLy}{DIp}{No}{GOd}{No}
3 Withdraw and go authentic, says Rev. Spooner (6) REPEAL (~pee real to repeal)
4 Excessively large organ (4) TOOL {TOO}{L}
5 A tense detective from the south: "Lock this tyrant!" (10) DICTATRESS {A}{T}{CID}<={TRESS}
6 Flower's top decomposed one day after coming up (8) DAFFODIL {LID}{OFF}{A}{D}<=
8 It's about parts of kidneys, about part of eye (7) RETINAL {RE{IT<=}NAL}
13 Being not OK with news—sullen, distressed (10) UNWELLNESS*
16 Female hit lovers with torches (9) FLAMBEAUX {F}{LAM}{BEAUX}
18 Bad cops with backing? Nothing touches, say! (7) GESTAPO {O}{PATS}{EG}<=
20 Brute force unleashed by Mrs., often randomly (7) MONSTER {MRS+OfTEN}*
25 A film that's intense (4) AVID {A}{VID}
Reference List
European = E, Right = R, Well = SO, Century = C, Gallons = G, Time = T, New = N, Shirt = T, Large = L, Tense = T, Lock = TRESS, Day = D, Female = F, Force = F, Left = L





