diff --git a/README.md b/README.md
index fa41dc629..215e8b392 100644
--- a/README.md
+++ b/README.md
@@ -20,16 +20,22 @@ Features are researched and developed in parallel, and then consolidated into se
| 0 | **Phase0** |`0` |
- Core
- [The beacon chain](specs/phase0/beacon-chain.md)
- [Deposit contract](specs/phase0/deposit-contract.md)
- [Beacon chain fork choice](specs/phase0/fork-choice.md)
- Additions
- [Honest validator guide](specs/phase0/validator.md)
- [P2P networking](specs/phase0/p2p-interface.md)
- [Weak subjectivity](specs/phase0/weak-subjectivity.md)
|
| 1 | **Altair** | `74240` | - Core
- [Beacon chain changes](specs/altair/beacon-chain.md)
- [Altair fork](specs/altair/fork.md)
- Additions
- [Light client sync protocol](specs/altair/light-client/sync-protocol.md) ([full node](specs/altair/light-client/full-node.md), [light client](specs/altair/light-client/light-client.md), [networking](specs/altair/light-client/p2p-interface.md))
- [Honest validator guide changes](specs/altair/validator.md)
- [P2P networking](specs/altair/p2p-interface.md)
|
| 2 | **Bellatrix**
(["The Merge"](https://ethereum.org/en/upgrades/merge/)) | `144896` | - Core
- [Beacon Chain changes](specs/bellatrix/beacon-chain.md)
- [Bellatrix fork](specs/bellatrix/fork.md)
- [Fork choice changes](specs/bellatrix/fork-choice.md)
- Additions
- [Honest validator guide changes](specs/bellatrix/validator.md)
- [P2P networking](specs/bellatrix/p2p-interface.md)
|
-| 3 | **Capella** | `194048` | - Core
- [Beacon chain changes](specs/capella/beacon-chain.md)
- [Capella fork](specs/capella/fork.md)
- Additions
- [Light client sync protocol changes](specs/capella/light-client/sync-protocol.md) ([fork](specs/capella/light-client/fork.md), [full node](specs/capella/light-client/full-node.md), [networking](specs/capella/light-client/p2p-interface.md))
- [Validator additions](specs/capella/validator.md)
- [P2P networking](specs/capella/p2p-interface.md)
|
-| 4 | **Deneb** | `269568` | - Core
- [Beacon Chain changes](specs/deneb/beacon-chain.md)
- [Deneb fork](specs/deneb/fork.md)
- [Polynomial commitments](specs/deneb/polynomial-commitments.md)
- [Fork choice changes](specs/deneb/fork-choice.md)
- Additions
- [Light client sync protocol changes](specs/deneb/light-client/sync-protocol.md) ([fork](specs/deneb/light-client/fork.md), [full node](specs/deneb/light-client/full-node.md), [networking](specs/deneb/light-client/p2p-interface.md))
- [Honest validator guide changes](specs/deneb/validator.md)
- [P2P networking](specs/deneb/p2p-interface.md)
|
+| 3 | **Capella** | `194048` | - Core
- [Beacon chain changes](specs/capella/beacon-chain.md)
- [Capella fork](specs/capella/fork.md)
- Additions
- [Light client sync protocol changes](specs/capella/light-client/sync-protocol.md) ([fork](specs/capella/light-client/fork.md), [full node](specs/capella/light-client/full-node.md), [networking](specs/capella/light-client/p2p-interface.md))
- [Validator additions](specs/capella/validator.md)
- [P2P networking](specs/capella/p2p-interface.md)
|
+| 4 | **Deneb** | `269568` | - Core
- [Beacon Chain changes](specs/deneb/beacon-chain.md)
- [Deneb fork](specs/deneb/fork.md)
- [Polynomial commitments](specs/deneb/polynomial-commitments.md)
- [Fork choice changes](specs/deneb/fork-choice.md)
- Additions
- [Light client sync protocol changes](specs/deneb/light-client/sync-protocol.md) ([fork](specs/deneb/light-client/fork.md), [full node](specs/deneb/light-client/full-node.md), [networking](specs/deneb/light-client/p2p-interface.md))
- [Honest validator guide changes](specs/deneb/validator.md)
- [P2P networking](specs/deneb/p2p-interface.md)
|
### In-development Specifications
+
+| Seq. | Code Name | Fork Epoch | Specs |
+| - | - | - | - |
+| 5 | **Electra** | TBD | - Core
- [Beacon Chain changes](specs/electra/beacon-chain.md)
- [Electra fork](specs/electra/fork.md)
- Additions
- [Light client sync protocol changes](specs/electra/light-client/sync-protocol.md) ([fork](specs/electra/light-client/fork.md), [full node](specs/electra/light-client/full-node.md), [networking](specs/electra/light-client/p2p-interface.md))
- [Honest validator guide changes](specs/electra/validator.md)
- [P2P networking](specs/electra/p2p-interface.md)
|
+
+### Outdated Specifications
+
| Code Name or Topic | Specs | Notes |
| - | - | - |
-| Electra | - Core
- [Beacon Chain changes](specs/electra/beacon-chain.md)
- [EIP-6110 fork](specs/electra/fork.md)
- Additions
- [Light client sync protocol changes](specs/electra/light-client/sync-protocol.md) ([fork](specs/electra/light-client/fork.md), [full node](specs/electra/light-client/full-node.md), [networking](specs/electra/light-client/p2p-interface.md))
- [Honest validator guide changes](specs/electra/validator.md)
|
-| Sharding (outdated) | - Core
- [Beacon Chain changes](specs/_features/sharding/beacon-chain.md)
- Additions
- [P2P networking](specs/_features/sharding/p2p-interface.md)
|
-| Custody Game (outdated) | - Core
- [Beacon Chain changes](specs/_features/custody_game/beacon-chain.md)
- Additions
- [Honest validator guide changes](specs/_features/custody_game/validator.md)
| Dependent on sharding |
-| Data Availability Sampling (outdated) | - Core
- [Core types and functions](specs/_features/das/das-core.md)
- [Fork choice changes](specs/_features/das/fork-choice.md)
- Additions
- [P2P Networking](specs/_features/das/p2p-interface.md)
- [Sampling process](specs/_features/das/sampling.md)
| - Dependent on sharding
- [Technical explainer](https://hackmd.io/@HWeNw8hNRimMm2m2GH56Cw/B1YJPGkpD)
|
+| Sharding | - Core
- [Beacon Chain changes](specs/_features/sharding/beacon-chain.md)
- Additions
- [P2P networking](specs/_features/sharding/p2p-interface.md)
|
+| Custody Game | - Core
- [Beacon Chain changes](specs/_features/custody_game/beacon-chain.md)
- Additions
- [Honest validator guide changes](specs/_features/custody_game/validator.md)
| Dependent on sharding |
+| Data Availability Sampling | - Core
- [Core types and functions](specs/_features/das/das-core.md)
- [Fork choice changes](specs/_features/das/fork-choice.md)
- Additions
- [P2P Networking](specs/_features/das/p2p-interface.md)
- [Sampling process](specs/_features/das/sampling.md)
| - Dependent on sharding
- [Technical explainer](https://hackmd.io/@HWeNw8hNRimMm2m2GH56Cw/B1YJPGkpD)
|
### Accompanying documents can be found in [specs](specs) and include: