ACROSS
1. <incriminated> FRAMED = _R inside FAMED
5. <gives up> SUCCUMBS = U C inside SCUM BS
9. <insults> DIGS <informal accommodation>
10. <uh-oh!> OOPS-A-DAISY = O_ OP + SAD AIS Y
11. (...t)S CHIPPER KE(n...) = SCHIPPERKE <Belgian dog breed>
12/21. MEDIA* outside N IP = MANI-PEDI <digital filing?>
13. <unsophisticated> HOMESPUN = HO_MES PUN
15. <peculiar phenomenon> ODDITY = ODD I T_Y
17. <Ukrainian seaport> ODESSA = (...b)ODES SA(f...)
19. <handle> USERNAME = MANURE* outside S _E_
23. ←MOOSE← outside CAPER = ESCAPE ROOM <breakout entertainment?>
25. <censor> BOWDLERISE = BOW D_L_E_ RISE
26. <soldiers> UNIT = _UTIN_*
27. <raise> HEIGHTEN = HEN outside EIGHT
28. TIE RED = TIERED <with layers>

DOWN
2. UNCORDIAL* = RAIN-CLOUD <a byword for depression>
3. MISS IVE = MISSIVE <letter>
4. "DRUPE" = DROOP <begin to wilt>
5. <gag> SUPER-INJUNCTION = JUNIPERS* UNCTION
6. <supervise> CHAPERONE = CHAP ER ON E
7. (RUDE MAN)* = UNARMED <incapable of getting shots off?>
8. N↔S, BONUS = BOSUN <ship's foreman>
14. PLA CEMENT = PLACEMENT <position>
16. <deliberately delay> TEMPORISE = (TEMPO RISE)
18. HINDI inside S G = SHINDIG <celebration>
20. <cultivate> NURTURE = NATURE, A→_UR_
22. <bring up> EVOKE = EVE outside OK
24. <gather> PLEAT = (...o)PLE AT(t...)