Across
Vessel's active measure of speed or acceleration (7)
Expert made changes inside university say (7)
Vessel involved in fight an extremely stressful situation (7)
Little man's headgear? (7)
Forest fruit railway destroyed starts to emotionally trouble UN soldier (9)
Broadway show news that is written on the first of April (5)
Musical giant finally wanting hot stuff for dessert (7)
Motorhome's stuck in aquatic plants in holiday destination (7)
Roughly 55% income tax for space traveller (5)
Part of theatre in which 200 see captivating unknown play (with no director) (9)
I haven't cracked this one yet — but Fifteensquared have:
( CC [Roman numerals for 200] + LO [behold; see]) containing [captivating] Y (letter frequently used to denote an unknown value in an equation) + d RAMA (play) excluding (with no) D (director)
Excitement as noisy party leader is deposed (7)
I haven't cracked this one yet — but Fifteensquared have:
c AROUSAL (a drinking bout or feast; noisy party) excluding the first letter C (leader deposed)
Two parts of the UK one country (7)
Barometer's software package requiring a different key (7)
I haven't cracked this one yet — but Fifteensquared have:
AN D ROID (an operating system [software package], a complete software stack based on the Linux kernel, designed primarily for mobile devices like smartphones and tablets) with D (a musical key) replaced by (requiring a different) E (another musical key)
Intensely dislike revolutionary chasing red cat (7)
I haven't cracked this one yet — but Fifteensquared have:
CHE (reference CHE Guevara [1928 – 1967], Marxist revolutionary [red]) + HATE (intensely dislike) reversed (revolutionary)
Down
Tree of Life scarf held up by attractive young woman briefly (6)
I haven't cracked this one yet — but Fifteensquared have:
BOA (woman’s long thin scarf, usually of feathers or fur) reversed (up; down entry) and contained in (held by) BAB e (informal term for an attractive young woman) excluding the final letter E (briefly)
Insightful comment made when disposable item has part removed from both ends (6)
Ex-PM informally to express disapproval when judge interferes (4)
Skilled worker dismisses writer as president (6)
Just over half of mathematical subject ultimately taught throughout American city (8)
He painted endless group of camels going astray with at first none missing (10)
I haven't cracked this one yet — but Fifteensquared have:
CARAVA n (company of traders journeying together with a group of camels) excluding the final letter (endless) + an anagram of [astray] GOI n G excluding (missing) N ( initial letter of [at first] N one)
German newspaper format (8)
Bit of exquisite taste he developed? (8)
I haven't cracked this one yet — but Fifteensquared have:
Anagram of (developed) TASTE HE – &Lit clue where the whole clue is the definition
A boy upset about tense facial feature (10)
I haven't cracked this one yet — but Fifteensquared have:
Anagram of (about) A BOY UPSET + T (tense)
Reversing taxi in front of vehicle with a trailer initially a game of luck (8)
I haven't cracked this one yet — but Fifteensquared have:
CAB (taxing) reversed (reversed) + CAR (vehicle) + A + T ( first letter of [initially] T railer)
Possibly German internet domain facing difficult problem (8)
One consuming soft drink died but gets strong praise (8)
I haven't cracked this one yet — but Fifteensquared have:
ACE (the one in dice; a single unit) containing ( COLA [soft drink] + D [died])
Rachel Reeves ignores rollover opportunity (6)
I haven't cracked this one yet — but Fifteensquared have:
CHANCE llor (Rachel Reeves [born 1979] is currently Chancellor of the Exchequer in the United Kingdom government) excluding (ignores) LLOR ( a reversal of ROLL [ ROLL over])
Relative's name written in stone (6)
Quickly injecting heroin - that's brave (6)
I haven't cracked this one yet — but Fifteensquared have:
APACE (quickly) containing (injecting) H (heroin)
Singer-songwriter regularly visited bordello (4)
I haven't cracked this one yet — but Fifteensquared have:
BREL (letters 1, 3, 5 and 7 of B o R d E l L o)
Type letters or click words in the clue