The feasibility of an LHCb Upgrade II at the HL-LHC is studied in an accelerator group note [[http://cds.cern.ch/record/2319258?ln=en][CERN-ACC-NOTE-2018-0038]
Recommendations from the U2PG on the preferred operating conditions and luminosity in response to the accelerator note are given in CERN-LHCb-PUB-2019-001
LHCb Internal Review
Projects for Upgrade Ib were reviewed in early 2019 and the recommendations of the U2PG are given in [[https://cds.cern.ch/record/2669882?ln=en][CERN-LHCb-INT-2019-011]
A review of projects for Upgrade II is foreseen for autumn 2019.