Across:
1 Is likely to lift (LIGHT-FINGERED) something that’s not heavy (LIGHT-) to chop (= anagram indicator), freeing (freeing = FINGERE-) what’s on top of deadwood (on top of ‘deadwood’ = -D) (LIGHT-FINGERED),
10 Understanding (“insight” = “incite” = INCITE-) reports (= homophone indicator) and writing (from the 3Rs = -R) (INCITER) by troublemaker (INCITER),
11 Dishy type of Italian (RAVIOLI) artist (RA-) on endless (n) fiddle (“violin” without “n” = -VIOLI) (RAVIOLI),
12 Part of The Leviathan debunked (part of ‘The‘Leviathan debunked’ = HAND) by four of a kind, for one (four of a kind = HAND in poker),
13 First class (AI = -IA) piece (bit = TIB-) rejected (= reversal indicator) (TIBIA) – you should have felt it in your bones? (TIBIA),
15 Some friend is horrified (some ‘friend is horrified’ = DISH) by a description of 11 across (a description of ‘ravioli’ = a DISH),
17 Grumpy companion (DOC is a companion of Grumpy in the Seven Dwarfs) among those in Burdocks (among those in ‘Burdocks’ = DOC),
19 Cinema (cinema = ICEMAN) adaptation (= anagram indicator) with central character who cometh on stage (Eugene O’Neill’s The Iceman Cometh = ICEMAN),
21 Kind of test (LITMUS test) in literature (LIT-), to sum (sum = -MUS) up (= reversal indicator) (LITMUS),
22 Temps on (temps on = POSTMEN) shift (= anagram indicator) for those making deliveries (POSTMEN),
23 Legendary type (FABLED) taken ill from ball field (taken ‘ill’ from ‘ball field’ = bafeld = FABLED),
25 Small foxy type (KITTEN) of gear (KIT-) is half rotten (half ‘rotten’ = -TEN) (KITTEN),
27 Bit of smartphone technology (bit of ‘smartphone technology’ = NET) divides the court (NET),
29 Concealed by governor mandated (concealed by ‘governor mandated’ = NORM) by convention (NORM),
30 Match (LIGHT) for all sides today (LIGHT on all sides of grid),
31 Guy (MALE) slips a disc in medicals (slips a ‘disc’ in ‘medicals’ = meal = MALE),
34 Standing (RANKING) in line (RANK-) for gin (gin = -ING) cocktail (= anagram indicator) (RANKING),
35 Flexible type (ELASTIC) from A-list (a list = -LASTI-) working (= anagram indicator) in Clare (CE = E-C) bends over backwards (= reversal indicator) (ELASTIC),
36 It’s easy to take up (LIGHT) with hard work (INDUSTRY) (LIGHT INDUSTRY) and can be a source of illumination (LIGHT INDUSTRY).
Down:
2 Driver drops off dinner service (‘driver’ drops off ‘dinner service’ = nnesice = INCENSE) – they get a whiff of this at the church (INCENSE),
3 Bugbear (HATE) in heat (heat = HATE) wave? (= anagram indicator),
4 Ban (FORBID) a fair amount of (half of) food (half of ‘food’ = FO-) for dicky (= anagram indicator) bird? (bird = -RBID) (FORBID),
5 Turns up (= reversal indicator), police department (CID = -DIC) restricted US film (‘restricted’ US film cert = -R-) broadcast (on = NO-) (NORDIC) by Scandinavian (NORDIC),
6 Have one’s heart set on (ENVY) responsively releasing spoilers (“responsively” releasing “spoilers” = envy = ENVY),
7 Come to grips losing crop (‘come to grips’ losing ‘crop’ = ometgis = EGOTISM) out of self-importance (EGOTISM),
8 Bright (LIGHT), popular (IN-) supporter (-FAN-) witnessed at rugby match (-TRY) (LIGHT INFANTRY) fighting behind the Tullow tank perhaps (LIGHT INFANTRY),
9 It’s not what you’d expect of high literature (LIGHT SENTENCE) and that’s not a judgement perhaps that carries much weight (LIGHT SENTENCE),
14 Repackage (= anagram indicator) loot (loot = -OOTL-) found in Belgium (B-E-) by the gram (-G) (BOOTLEG) and distribute it illegally (BOOTLEG),
16 Pressure (-P-) in keeping back (= reversal indicator) harvest (reap = PA-ER) (PAPER) leads to report (PAPER),
18 Those from The Road (MINIS) immersed in feminism (immersed in ‘feminism’ = MINIS),
20 Bob (bob/bow = NOD) and Maria left main road (“Maria” left “main road” = nod = NOD),
21 Nicole Kidman’s characters (‘Nicole Kidmans’ characters = LEK) from European capital (LEK = Albanian capital/money),
24 Upsets (= reversal indicator) man from capital (Dub = BU-D-) taking in marathon (-RUN-) on island (-I) (BURUNDI) in Africa (BURUNDI),
26 Raises a glass (TOASTER) to one of those making breakfast on the breadline perhaps (TOASTER),
27 Beast in India (Indian antelope = NILGAI) ailing (ailing = NILGAI) badly (= anagram indicator),
28 Yarn (THREAD) of criminal (= anagram indicator) hatred (hatred = THREAD),
32 Drop a line (FISH) to one of those in 33 down (‘bass’ = FISH),
33 Guitar (BASS guitar) bands – Babyshambles and Kiss (bands/sides of ‘Babyshambles and Kiss’ = BASS).