This crossword No. 14879 clues and answers were published on Mon 15 Jan 2018 and the puzzle can be visited by following The Guardian Quick Crossword No. 14879 link.
All Across Clues and Answers:
1-across – Insurgent — involving dramatic change : REVOLUTIONARY
8-across – Blow-up mattress : LILO
9-across – Deceptive : ILLUSORY
10-across – Royal Troon or Carnoustie, for example : GOLFCOURSE
12-across – TV show intended to be humorous : SITCOM
14-across – Statistic — physique : FIGURE
15-across – Assumed name : NOMDEPLUME
19-across – Relating to the home : DOMESTIC
20-across – Egyptian canal : SUEZ
21-across – Soft cleaner : FEATHERDUSTER
All Down Clues and Answers:
2-down – Divided into tenuously related parts : EPISODIC
3-down – Discontinuous : ONOFF
4-down – Constant : UNIFORM
5-down – Lazybones : IDLER
6-down – Sum of money put by as a reserve : NESTEGG
7-down – Not well done! : RARE
11-down – First performance : PREMIERE
13-down – Satisfied — subject matter : CONTENT
14-down – Taken to the cleaners : FLEECED
16-down – Liturgical headdress : MITRE
17-down – Tables : LISTS
18-down – Flower — climbed : ROSE
This crossword has in total 22 where 10 are across and 12 are down.