Across
Keep changing position as witness, and did so previously (6)
Not totally anxious, having absorbed reasonable signs (6)
Stationed at border, feeling nervous (2,4)
You reportedly get irritated about son, or get worried (8)
Stressed being educated soundly (4)
Engage in an emotional farewell? It’s cliffhanging (5-3-2)
Statement of unrealistic nostalgia that makes one tense (4,7)
Incomparable time spent there, agitated (3,7)
Some quick coverage that is hammered home (4)
Religious text supporting parts of speech (8)
Cruel grown-up hiding food container (6)
Became uneasy in end and set off (6)
Chinese food has to be divided and returned in future, perhaps (3,3)
I haven't cracked this one yet — but Fifteensquared have:
WONTON="Chinese food", "divided" into two parts WON TON and then reversed/"returned"
Down
Check about object, present for turning over in ongoing dispute (8)
I haven't cracked this one yet — but Fifteensquared have:
VET="Check" around END=objective="object", plus AT="present for" (e.g. at or present for an event) reversed/"turning over"
Revelations, etc. not apparent in present, perhaps in future (6)
Cook focuses, eclipsing husband who’s inferior in kitchen? (4-4)
I haven't cracked this one yet — but Fifteensquared have:
anagram/"Cook" of (focuses)* around H (husband)
Scientific genius of past or present century (6)
Polish a large kind of shoe (6)
Food for winter is laid up with a lot of beer (6)
Will indicates this, in contrast to 13 (6,5)
I haven't cracked this one yet — but Fifteensquared have:
a tense indicated using the word "Will" as in 'I will go"; and the future tense contrasting against the past tense in 13dn
Speculations in article on products of mine one’s invested in (8)
I haven't cracked this one yet — but Fifteensquared have:
THE=definite "article" + ORES="products of [e.g. an iron] mine" with I="one" invested inside
Uses a name time after time – in past, present, and future (8)
I haven't cracked this one yet — but Fifteensquared have:
definition: not changing over time USES=exploits, manipulates, swindles=CONS; plus: A (from surface) + N (name) + T (time), after T (time)
Need for drink after second shift in t-shirt (6)
Beat rivals, then beat rivals up – that’s separate (6)
Arrange flags around an old-fashioned dance (6)
Bans that are initially followed by audible disapproval (6)
I haven't cracked this one yet — but Fifteensquared have:
initial letters of T-[hat] A-[re]; plus BOOS="audible disapproval"
Type letters or click words in the clue