Across
Justification OK for uprising (11)
What’s unknown on heads in France and England? (3)
I haven't cracked this one yet — but Times for the Times have:
an all-in-one: Z (unknown) on the first letters of France and England
Fabric missing hem, lower flag (9)
I haven't cracked this one yet — but Times for the Times have:
TRICOT (a dress fabric) minus the last letter, then LOUR (lower)
Block surrounding opening to exterior part of Cape Town property (5)
I haven't cracked this one yet — but Times for the Times have:
STOP (block) surrounding the first letter of Exterior. A term paying us a visit from Mephistoland
Accessory in relationship cut (3,4)
Fancy gear associated with leaders in administration primarily? (7)
I haven't cracked this one yet — but Times for the Times have:
REGAL (associated with leaders) then the first letters of In Administration. As pointed out in several comments, though I think my parsing is valid, the intention was another all-in-one, an anagram of GEAR then the first letters of Leaders In Administration
Return setter’s first exceptional puzzle (5)
I haven't cracked this one yet — but Times for the Times have:
reversal of the first letter of Setter then UBER (exceptional)
Sauce label off, pretty much (4,5)
Get upset with partner wearing fleece (4,1,4)
Honest family takes up crime in the end (5)
I haven't cracked this one yet — but Times for the Times have:
CLAN (family) containing the last letter of crimE
Darling rejected by girl — gaffe! (7)
I haven't cracked this one yet — but Times for the Times have:
PET (darling) reversed after MISS (girl)
Hair in mixer? (7)
Idea in force, briefly (5)
I haven't cracked this one yet — but Times for the Times have:
THE MET (force) minus the last letter
Search patrols aren’t more odd, compared to others (9)
I haven't cracked this one yet — but Times for the Times have:
QUEST (search) containing AIN’T (aren’t). My second-last in, thinking that for the pangram there had to be a Q and V somewhere, found the Q
She abandons one currency before backing — another? (3)
I haven't cracked this one yet — but Times for the Times have:
remove SHE from SHEKEL (currency) and reverse
Signal file fascinating political speaker? (11)
Down
Pick up sheep that’s rolled over (3)
Leather releasing hydrogen compound (5)
I haven't cracked this one yet — but Times for the Times have:
OX HIDE (leather) minus H (hydrogen)
Edible strands rarely working when 1000 cut up (7)
I haven't cracked this one yet — but Times for the Times have:
SELDOM (rarely) and ON (working) minus M (1000), all reversed
Top sandwich in America (6,3)
Fluff stuck inside upright freezer or refrigerator (5)
Italian food, while in wrap, irrelevant (7)
I haven't cracked this one yet — but Times for the Times have:
AS (while) inside LAG (wrap a pipe with insulating material) then N/A (irrelevant)
Free pay, easy! (9)
Fly: fly quicker shielding wings on extension (3,8)
I haven't cracked this one yet — but Times for the Times have:
ZIP (fly) then FASTER (quicker) surrounding the external letters of ExtensioN
Whale, spirit heard in powerful music (6,5)
Complains tree is cut (9)
Wind blast, absurd (9)
Player with cavil originally splitting a hair (7)
I haven't cracked this one yet — but Times for the Times have:
first letter of Cavil inside A, TRESS (hair)
Jersey etc wrapped round new hat in red (7)
Ill-feeling cut short card game (5)
I haven't cracked this one yet — but Times for the Times have:
PIQUET (card game) minus the last letter
Mould close to moisture in rising damp (5)
I haven't cracked this one yet — but Times for the Times have:
last letter of moisturE inside DANK (damp) reversed
Sea dog, animal sailing north (3)
Type letters or click words in the clue