update readme fork table

with consensus rules and block heights

README.md

@@ -108,7 +108,9 @@ Dates are provided in the format YYYY-MM-DD.
 | 1288616                        | 2017-04-15 | v5                | v0.10.3.0              | v0.10.3.1                  | Adjusted minimum blocksize and fee algorithm      |
 | 1400000                        | 2017-09-16 | v6                | v0.11.0.0              | v0.11.0.0                  | Allow only RingCT transactions, allow only >= ringsize 5      |
 | 1546000                        | 2018-04-06 | v7                | v0.12.0.0              | v0.12.3.0                  | Cryptonight variant 1, ringsize >= 7, sorted inputs
-| XXXXXXX                        | 2018-10-XX | XX                | XXXXXXXXX              | XXXXXXXXX                  | X
+| 1685555                        | 2018-10-18 | v8                | v0.13.0.0              | v0.13.0.0                  | max transaction size at half the penalty free block size, bulletproofs enabled, cryptonight variant 2, fixed ringsize [11](https://youtu.be/KOO5S4vxi0o)
+| 1686275                        | 2018-10-19 | v9                | v0.13.0.0              | v0.13.0.0                  | bulletproofs required
+| XXXXXXX                        | 2019-04-XX | XX                | XXXXXXXXX              | XXXXXXXXX                  | X
 
 X's indicate that these details have not been determined as of commit date.