As we are getting new updates regularly now and, as it seems, will continue to do so, I am posting this timeline as a reminder to myself and others when the updates came out. I am starting to forget the dates and I would be appreciative if people helped me out on when they officially came out, as well suggesting other updates that should be added.
2013:
05/11 FRHD created
04-05/12 FRHD forums created
I think
2014:
17/09 FRHD News created by
FREEZ (requested by
Volund )
09-18/12
weem ,
Elibloodthirst ,
Max007x and
Maple become feature mods over this period. 28 tracks proposed for feature by the 9th. By 14th classic tracks are featured. 18th are when first new tracks are featured. Roughly 50 tracks featured overall. (dates given by
Elibloodthirst )
24/12
RC3 Announced - Practice Round starts (requested by
Volund )
2015:
01/01
RC3 Practice Round Ends - Round 1 Begins
17/01 Subscribers added to FRHD (date given by
gun )
19/01
RC3 Round 1 Ends - Round 2 Begins
19/01
Results Announced for RC3 Round 1
26/01 Grid size released (date given by
WyattStonhouse )
05/02
RC3 Round 2 Ends - Round 3 Begins
06/02
Results Announced for RC3 Round 2
23/02
RC3 Round 3 Ends
24/02
Results Announced for RC3 Round 3
24/02
Shattered Dream by
Max007x featured


24/02
ithaka by
alexander featured


25/02
Results Announced for RC3 Overall (kinda) (requested by
Volund )
1st: alexander ,
with Max007x as runner-up
09/06
Vacant by
deadrising2 featured (date given by
Elibloodthirst )


09/06
Shadowland by
Crypt featured (date given by
Elibloodthirst )


09/06
Jotunheim by
Stig featured (date given by
Elibloodthirst )


04/07
Wild One Express by
Ness featured (date given by
Elibloodthirst )


11/07
Descent: Hysteria by
deadrising2 featured (date given by
Elibloodthirst )


27/10 heli powerup released (date given by
Todredrob )
15/12
Mews Forest 3 by
deadrising2 featured ( date given by
Elibloodthirst )

2016:
08/01
Dark Matter by
Max007x featured (date given by
Elibloodthirst )


08/01
RĂ¼bell by THEend featured (date given by Elibloodthirst )


08/01 Sunset by pinn featured (date given by Elibloodthirst )


08/01 Citadel by GMSkittles featured (date given by Elibloodthirst )


23/01 Empire Falls by mR..A featured (date given by Elibloodthirst )


23/01 The Mages Lair by Volund featured (date given by Elibloodthirst )


23/01 Pipeline by CityShep featured (date given by Elibloodthirst )


23/01 Alien - Exudation by deadrising2 featured (date given by Elibloodthirst )


23/01 Abyss by Max007x featured (date given by Elibloodthirst )


13/02 Martian by spruce featured (date given by Elibloodthirst )


Double Compound by Nitrogeneric was featured at some date after Feb 13th, but is unknown (given by Elibloodthirst )


16/03
First Official Contest announced (date given by
Elibloodthirst )
16/03
Kykotsmovi Mesa by
CityShep featured (date given by
Elibloodthirst )


24/04
Crystallite Version by
deadrising2 featured (date given by
Elibloodthirst )


01/06 First Official Contest ends, judging begins.
06/06
Results for first Official Contest announced (date given by
Elibloodthirst )
Overview:
1st: by
spruce

2nd: by
Max007x

3rd: by
Foundations

Additional details, e.g. further placements, prizes etc. may be found here and here
08/06 "Emma the Mad Hatter" hat added (requested by
Volund )
01/09
SparkleMotion joins FRHD staff team (requested by
WyattStonhouse )
2017:
26/01
alexander and
WheelieMaker demoted from featured mods (date given by
Elibloodthirst )
12/03
Tartarus by
Cataclysm featured (date given by
Elibloodthirst )


20/03
Hibernia by
pinn featured (date given by
Elibloodthirst )


10/04
Elibloodthirst demoted from feature mod (date given by
Elibloodthirst )
02/05
Decades (OCE) by
Pancakes345 featured (date given by
Elibloodthirst )


12/05
The City of Omashu by
WyattStonhouse featured (date given by
Elibloodthirst )


18/05
Despedida by
LucJohnson featured (date given by
Elibloodthirst )


05/06
Mashup by
Charlezard posted, date of featuring currently unknown, preumably on the date or within the week (given by
Elibloodthirst )


27/06
Is this Real Life? by
mR..A featured (date given by
Elibloodthirst )


07/07 Web Refresh (which includes the addition of HOLDUP and AUTO to track icons)
16/07
snope by
nasrani featured (date given by
Elibloodthirst )


16/07
Dragon of the Deep by
TeamPhantom featured (date given by
Elibloodthirst )


18/07
Fantasy by
DblU featured (date given by
Elibloodthirst )


22-23/07
Studio apt. by
thyprith featured (date given by
Elibloodthirst )


03/08
Ataraxy by
Volund featured (date given by
Elibloodthirst )


11/08
SparkleMotion leaves FRHD staff team (requested by
WyattStonhouse )
21/08
Alien Incursion by
deadrising2 featured (date given by
Elibloodthirst )


26/09 FRHD released on google play for mobile phones (android and IOS)
07/11 First Winter Contest announced (date given by
Elibloodthirst )
14/11
Downtown by
TallTexan featured (date given by
Elibloodthirst )

2018:
07/01
Costa Concordia by
WyattStonhouse and
deadrising2 featured (date given by
Elibloodthirst )


10/01 New hats
12/01 Dislikes removed
13/01 Featured tracks are 'a little more awarded now' (Can someone tell me what they do now?)
13/01 Results for first Winter Contest announced (date given by
Elibloodthirst )
24/01 Dislikes added back
02/02 Antigravity powerup
14/02 Teleport powerup
17/02 I have gotten 3 of these today now, compared to none previously, so imma include it. Addition of main game ads that come on before track loads, like youtube ads. For some reason they all seem to be foreign music videos, and long ones at that. Seriously, 6 minutes???? Thank goodness they have the 'skip ad' option...
02 or 03/03
Vanish NTBF by
WyattStonhouse featured. I missed the exact date so I don't know what day it was published.


31/03
Norwegian Wood by Eucatastrope1 (aka
Netsik ) featured


03/04
eXor by
Zgolex semi-featured
06/04
eXor fully featured now. There was a bug which prevented the ribbon showing, but
mR..A fixed it.


09/04 Truck powerup released
10/04
Raven's Ridge by
BowlOfFire featured:


13/04 There is a new option on the main menu: "Daily Track"
26/04
Vainishing by
DblU and
MikeWi featured


26/04 Balloon powerup released
06/05
Passe by
deadrising2 featured


10/05 Blob powerup released. YAY!
20/05 New personal infomation options in settings, plus ability to change main game name once without developer help
30/05 I try not to put forum stuff here, but I think I should add that
Calculus is now a bloody STAFF MEMBER!! (edit: now he's not, no need to get so excited, past me.)
02/06
Autumnal by
Netsik featured (date given by
Elibloodthirst )


19/06
One week OC #1 announced, theme: Teleporter & Anti-Gravity
28/06 Contest over, judging begins.
29/06
Judging ends, results published (date given by
Elibloodthirst )
Overview:
1st: by
alexander

2nd: by
zwinxz

3rd: by
zeke15

Additionals details eg. further placements, prizes etc. may be found here and here
01/07 Contest results shown on front page
02/07
escape! by
alexander featured


12/07
The Battle Of Little Bighorn by
StevenLeary featured (date given by
Elibloodthirst )


22/07
Waterworld by
JerryAxi featured


Dates I am looking for:
Release of:
- Offline editor
- campaign release dates
- When the powerup graphics were updated
Featuring of
Mashup
-------------------------------------------------------
Removed features:
- ability to embed track into forum posts
- 'Wilhelm Scream' when crashing at high speeds is heard sometimes
Thanks to the following contributors:
Elibloodthirst , especially for featured track dates
gun
Todredrob
WyattStonhouse