Development Patch 1.17.3 — Battle for Wesnoth Steam update #927762

Add-ons client The `forum_auth` attribute now allows authenticating with your forum credentials, as well as no longer requiring the `passphrase` or `email` attributes be populated in the `_server.pbl`. (PR #5866) Campaigns Descent into Darkness S08: Prevent Spectral Servant from picking up the book (issue #6576) Northern Rebirth S05a_01: Solve units getting stuck in the wall before the spider chamber (issue #6607) Enhance dialogue between Tallin and Abhai (issue #6608) Sceptre of Fire Fixed Thursagan's Arcanister advancement being "lost" after dismounting a minecart (PR #6484). Improvements and spelling corrections to the English prose text (PR #6177). Lua API New `wesnoth.interface.add_overlay_text` function allows placing arbitrary floating text anywhere on the screen - like `` but with more options (PR #5837). Terrain New palisades terrain (^Eqp) and general fence terrain macros clean...