Celeste Community Resources Sheet - contains links to most things listed below
#Any% Programmatic's Celeste Any% Tutorial - video guide by @Programmatic, most recommended for runners looking to improve and get good times. Slightly outdated in parts but can get you to time in the low 3x:xx range if used well.
How To Train A Speedrunner - guide by @frozenflygone for beginners to speedrunning Celeste/speedrunning in general, covers stuff like keybinds, practice tools/tips, important tricks, a chapter by chapter breakdown and more
Cue Collection - guide by @koralreef containing cues and explanations for some of the harder strats in Any%
Celeste Beginner's Guide - general guide for those getting into speedrunning Celeste for those who have never speedrun before by @espel
Staple advice for new runners - short pastebin detailing some key things to know before learning to run
Sub-30 Checkpoint Reference Sheet - document compiling checkpoint speedruns roughly aimed towards a goal of 29 Any%
Advanced Any% Tutorial PT BR - video playlist by @PedroNeves027 in Portuguese with English subtitles
#All Red Berries
All Red Berries tutorial series - guide by @profnyan, @Tiyo, and @Xenoras covering each chapter in the ARB route, including a 6B tutorial
ARB Guide - guide by buhbai containing cues and explanations for some of the harder strats in ARB
ARB Ice Skip Guide by @Geodoc
#B-Sides
B-Side Tutorial Series - video series guide by @profnyan, @Tiyo and @zaprey covering all of the B-Sides
B-Side Checkpoint Reference Sheet - document compiling B-Side checkpoint speedruns with reasonable mid-high level strats for fullgame B-Side categories
#Miscellaneous Strat Tutorials
3A Demodash Tutorial by @Tiyo
Farewell DTS Tutorial/Explanation by @amberlovesarchie, or Farewell Dash Trigger Skip Tutorial by @DeathKontrol
4A Ceiling Pop Tutorial by @Tiyo
4A Second Blockless Pause Buffer Guide by @Markers011
Pause Buffering Fundamentals by @profnyan
Playlist - a few miscellaneous guides by @Flesh177 covering cornerboosts, spikejumps and archie
Everest had one of the biggest updates so far with Everest Core becoming the "Stable" version. Here is what you need to know as a player and what rule changes are happening:
To put it in layman's terms, they're updating the game to use a newer framework. Which