The Post-TI7 Shuffle: Drop Period

Basic Roster Lock Information

Drop Deadline: TBA
Add Deadline: TBA
Valve's Roster FAQ
Valve's Roster List
Many thanks to Liquipedia, Twitter, various Dota personalities, the /r/Dota2 community, and many others for their help in making this thread.
Last updated on Aug 21, 2017 @ 1:00 PM EST.
Timeline

If you have RES, click on "Team" to sort by teams or "Date" to sort by chronological order (default) to sort the table.
Bolded indicates confirmed or official. Non-bolded indicates unconfirmed or rumor.
Date Team Change/Rumor Source
Aug 21 WG.Unity New Roster: Meracle, Feero, VElo, sQreen, Flysolo Facebook
Aug 21 TNC No changes for TNC Facebook
Aug 20 Singularity Singularity org parts with the team Statement, eL lisasH Tweet
Aug 20 --- lgdamefan leaks EG/OG/DC/Secret/PPD's rosters. lgdamefan, 2 [R]
Aug 20 New Begin New Beginning: kYxY, YamateH, nj, Net, ling Liquipedia
Aug 20 Inf Timado confirms that he is not in Infamous. Timado Tweet
Aug 19 Fnatic Possible Fnatic roster: EE, xcalibur, dj, ohaiyo, pie 343 Twitch
Aug 19 TNC Kipspul leaves TNC. Kips Tweet
Aug 18 Inf Timado not leaving Infamous. Timado Facebook [R]
Aug 18 Alliance Handsken, Limmp, jonassomfan leave Alliance. Official
Aug 17 Inf Timado leaves Infamous. Timado Tweet [R]
Aug 17 OG Ana leaves, taking a break for this season. Facebook [R]
Aug 16 mouz No changes. Madao (Manager)
Aug 15 Mineski NaNa, Iceiceice, and Jabz join Mineski. Yammerz Tweet [R]
Aug 15 Xctn Execration replaces Nando with Gabbi. Facebook
Aug 15 TNC Kuku hints at possible changes. Kuku Tweet
Aug 15 OG Ana removes all mentions of OG from Twitter. Ana Twitter [R]
Aug 14 Secret New Secret players have never played in Secret before. KheZu Twitch
Aug 14 Secret KheZu and MP depart from Secret. Official
Aug 14 Virtus.Pro VP announces no disband. Official
Aug 14 Singularity Singularity announces no changes. eL lisasH Tweet
Aug 14 Cloud9 Fata and EE unfollow each other on Twitter. [R]
Aug 13 DC Moon captions his snap with "Dc mss." [R]
Aug 13 Penta RMN joins Penta. Twitter
Aug 12 Cloud9 PieLieDie removes C9 from his Twitter. [R]
Aug 11 Spirit Spirit's roster may be iltw, iceberg, phobos, biver, fng. Adekvat Tweet
Aug 1 SG c4t departs from SG e-sports. Facebook
Aug 1 Planet Odd Planet Odd disbands Facebook
July 31 Na'Vi Pajkatt and Biver leave Na'vi Official
Confirmed Teams and Players

CIS

Team 1 2 3 4 5
Na'vi Pajkatt Dendi General Sonneiko Biver
Virtus.Pro RAMZES666 No[o]ne 9pasha Lil Solo
Europe

Team 1 2 3 4 5
Alliance Era Limmp jonassomfan Pablo Handsken
Mouz Madara ThuG SkyLark MNT SsaSpartan
OG Notail Ana S4 Jerax Fly
Penta Skiter Blazemon Buugi dnz +rmN-
Secret MP MidOne kheZu Yapzor Puppey
Ex-Singularity Exotic_Deer Nisha Patos eL lisah kacor
North America

Team 1 2 3 4 5
Planet Odd DISBANDED --- --- --- ---
South America

Team 1 2 3 4 5
SG hFn 4dr Tavo KINGRD c4t
SEA

Team 1 2 3 4 5
New Beginning kYxY YamateH nj Net ling
Execration +Gabbi CartMaN Bimbo RR Kim0
Mineski +NaNa Mushi +iceiceice +Jabz ninjaboogie
WarriorsGaming.Unity Meracle Feero Velo sQreen Flysolo