TShark's command-line options have changed.

TCP window updates are no longer colorized as 'Bad TCP'.

TCP fast retransmissions are now indicated as an expert info note, rather than a warning, just as TCP retransmissions are.

The 'Save As' menu item has been split into 'Save As', which lets you save a file using a different filename and 'Export Specified Packets', which lets you have more control over which packets are saved.

OID resolution is now supported on 64-bit Windows.Decryption key management for IEEE 802.11, IPsec, and ISAKMP is easier.(Your copy of Wireshark might still use the pcap file format if pcap-ng is disabled in your preferences.) Wireshark, TShark, and their associated utilities now save files using the pcap-ng file format by default.You can now add, edit, and save packet and capture file annotations.Wireshark supports capturing from multiple interfaces at once.The following features are new (or have been significantly updated) since version 1.6: Rearranging columns in preferences doesn't work on 64-bit Windows.When saving the displayed packets, packets which are dependencies (e.g., due to reassembly) of the displayed packets are included in the list of saved packets (Bug 3315).

Wireshark windows 2000