Recap changelog:

Added chat replay so public messages appear again during playback with player names. Added direct-message replay in the format <player> -> <player> (Direct Msg). Added Player Gadget to teleport to recorded players during replay. Added Timeline Map to jump through replay timestamps. Added Speed Gadget with 0.25x, 0.5x, 1.0x, 1.5x, 2.0x, and 2.5x. Added replay pause, resume, speed, faster, slower, and seek controls. Improved player skin playback so replay ghosts use real player skins. Improved PvP replay timing with better hit, velocity, knockback, crit, and damage syncing. Improved combat animations, including swings, hurt flashes, shield blocks, shield breaks, crits, sweeps, and knockback. Improved block mechanics replay, including placement, breaking, cracking animations, fluids, TNT, explosions, signs, and physics-style updates. Improved entity replay for movement, deaths, projectiles, TNT, end crystals, dropped items, and interactions. Removed heart particles from replay playback. Added worldplay support for replaying recordings inside isolated replay worlds. Added preview mode so replay changes can clean up afterward. Added persistent mode so replay changes can stay in the world when not previewing. Improved rewind/seek behavior so blocks, deaths, entities, and replay state rebuild correctly when jumping backward.