Wesnoth 1.19.11

Campaigns

The Deceiver's Gambit
- Spells: clarified "Counterspell" description
- S05: the allied AIs now attack at Dawn instead of Second Watch
- S08: changed Trappers' dialogue to be less overtly hostile
- S14: the final boss now heals less on lower difficulties

Editor

Clear old time-of-day schedule before saving new one, resolves scenario file bloat (issue #10115)

Multiplayer

Resolve crash on attempting to download MP replay from server, when using cURL 7.85.0 or later (issue #10139).

Translations

Updated translations: Arabic, Bengali, British English, Bulgarian, Chinese (Simplified), Czech, Italian, Japanese

Units

Necromancer:
- Changes to emphasize the Necro's thematic plague ability, while lowering his/her durability closer to that of other mages:
- hitpoints 76 -> 64, impact resist 10% -> 0%, cold resist 0% -> 10%
- plague staff (melee impact) 6-3 -> 7-3
- chill wave (ranged cold) 19-2 -> 20-2
- shadow wave (ranged arcane) 16-2 -> 13-2, added "plague" weapon special

User interface

UI support the multi-hex ranged attacks has been added
Support for 800xN window sizes has been removed

WML Engine

Added WFL `byte_index` function to convert between character indices and byte indices, accounting for multi-byte characters
IPFs that affect color values no longer skip fully transparent pixels.

Miscellaneous and Bug Fixes

Fixed the Pick Unit Advancement modification throwing lua errors on every recruitment
Fixed unit appearance not being immediately updated when affected by an ability