Across
Quick look initially forgotten probing historic rewritten document (10)
Sacred and hitherto largely seen in extreme instances (4)
I haven't cracked this one yet — but Fifteensquared have:
Sacred and hitherto largely seen in extreme instances H <ithert> O L <argel> Y ; “seen in extreme instances” means first and last letters only are used
English town turned out to be within borders of London (5)
I haven't cracked this one yet — but Fifteensquared have:
English town turned out to be within borders of London *(OUT) in L <ondo> N (“borders of” means first and last letters only); “turned” is anagram indicator
Live broadcast of cities accepting King’s truce (9)
I haven't cracked this one yet — but Fifteensquared have:
Live broadcast of cities accepting King’s truce R (=king, i.e. rex) in [AM (= (I) live, exist) + *(CITIES)]; “broadcast of” is anagram indicator
Instant addition to communication shows muscle (7)
Notice vehicle impounded by LAPD at work (7)
Book topping charts in audio format full of compassion (8)
I haven't cracked this one yet — but Fifteensquared have:
Book, topping charts in audio format, full of compassion B (=book) + homophone (“in audio format”) of “leading (=topping charts)”; e.g. a bleeding heart is full of compassion
Poignant moment: victory in fighting at last (6)
I haven't cracked this one yet — but Fifteensquared have:
Poignant moment: victory in fighting at last MO (=moment, as in a mo ) + V (=victory, as in VJ Day this week) + IN + <fightin> G (“at last” means last letters only)
Each and every Parisian gets to visit a restaurant (6)
Delightful examples: nothing is false here (8)
Nonsense about variable work - here’s a source of play (7)
I haven't cracked this one yet — but Fifteensquared have:
Nonsense about variable work – here’s a source of play [Y (=variable, in algebra) in TOSH (=nonsense, drivel)] + OP. (=work, of music, opus)
Very nasty creature brought in to finish legal separation (7)
I haven't cracked this one yet — but Fifteensquared have:
Very nasty creature brought in to finish legal separation [V (=very) + ORC (=nasty creature)] in DIE (finish, come to an end)
Extra bit of plant mutated in Trough Two (9)
Feed information to one crackpot seizing power (5)
I haven't cracked this one yet — but Fifteensquared have:
Feed information to one crackpot seizing power P (=power, in physics) in [I (=one) + NUT (=crackpot, crank)]
Some wood including Northern pine (4)
I haven't cracked this one yet — but Fifteensquared have:
Some wood, including Northern pine N (=Northern) in LOG (=some wood); to pine is to long for, yearn
Sycophant interrupting toasts with no hesitation (10)
I haven't cracked this one yet — but Fifteensquared have:
Sycophant interrupting toasts with no hesitation [NO in BROWNS (=toasts, e.g. bread, as verb here)] + ER (=hesitation)
Down
Friend with a selection of food? It’s very tasty (9)
Network behind schedule receiving reduced credit (7)
Mother joining three for bridge in rectory? (5)
I haven't cracked this one yet — but Fifteensquared have:
Mother joining three for bridge in rectory ? MA (=mother) + N S E (=three for bridge, i.e. three of the four players, with only W missing)
Pale young man in G&S upset - last performance? (8)
I haven't cracked this one yet — but Fifteensquared have:
Pale young man in G&S upset – last performance ? [WAN (=pale) + SON (=young man)] in SG (G(&)S; “upset” indicates vertical reversal)
Recap more than half of music? (5)
I haven't cracked this one yet — but Fifteensquared have:
Recap more than half of music? Cryptically, “sum” is more than half of the letters of “ MUS <ic>, with “up” indicating a vertical reversal
Handicraft engaging a million in the beginning? Not entirely (7)
I haven't cracked this one yet — but Fifteensquared have:
Handicraft engaging a million in the beginning? Not entirely [A + M (=million)] in ORIGI <n> (=beginning; “not entirely” means last letter is dropped)
Produce that is left in yard (5)
Thin meat? Reduced quantity served during flight (8)
Dead routine for a woman? That’s the American preference (8)
I haven't cracked this one yet — but Fifteensquared have:
Dead routine for a woman? That’s the American preference D (=dead) + RUT (=routine, as in to be in a rut ) + HERS (=for a woman); “druthers” is a colloquial US word for choice, preference
Consumer pursuing opening to get contribution to housewarming? (9)
Staff’s methodology to secure area for promotional tour (8)
I haven't cracked this one yet — but Fifteensquared have:
Staff’s methodology to secure area for promotional tour A (=area) in [ROD (=staff, stick) + HOW (=methodology, as in to understand the how and why of …)]
Dressmaker’s encouragement to be audacious? (7)
I haven't cracked this one yet — but Fifteensquared have:
Dressmaker’s encouragement to be audacious? Cryptically, a dressmaker would encourage the customer to try it (=the dress) on!
Republican beset by aggrieved purist breaks in (7)
I haven't cracked this one yet — but Fifteensquared have:
Republican, beset by aggrieved purist, breaks in R (=Republican) in *(PURIST); “aggrieved” is anagram indicator
Amount to pay to get around river goblin (5)
I haven't cracked this one yet — but Fifteensquared have:
Amount to pay to get around river goblin R (=river) in TOLL (=amount to pay)
Explosive with no d_____ strength (5)
Very bad act gathering good indication of disapproval? (5)
I haven't cracked this one yet — but Fifteensquared have:
Very bad act gathering good indication of approval? V (=very) + [G (=good) in SIN (=bad act, transgression)]
Type letters or click words in the clue