if i choose the proposed updates in synapic then im offered to install the 0.45.3 version of update-manager, yet this on doesent allow me to upgrade to feisty, i had to manually downgrade to 0.45.2 using:
sudo apt-get install update-manager=0.45.2
then the little button appeared again and i could upgrade.
Binary package hint: update-manager
if i choose the proposed updates in synapic then im offered to install the 0.45.3 version of update-manager, yet this on doesent allow me to upgrade to feisty, i had to manually downgrade to 0.45.2 using:
sudo apt-get install update- manager= 0.45.2
then the little button appeared again and i could upgrade.