LinuxCNC 2.7.6 released

LinuxCNC 2.7.6 is out.

This release fixes a couple of regressions in 2.7.5, and improves the handling of hm2-eth packet loss (only Hostmot2 Ethernet cards are affected; PCI, EPP, and SPI cards are not involved).

All 2.7 users are encouraged to upgrade.

The full changelog:

• docs: add info about updating
• docs: fix a typo in gcode overview

• docs: remove a cut and paste error

• axis: add keyboard shortcut to open the menu to quick reference

• gmoccapy: fix bug in user tabs button

• gmoccapy: fix bug in initialize optional stops

• hostmot2: improve handling of packet loss for hm2 ethernet cards

• wj200 vfd driver: fix segfault

• thcud component: doc fixes

• sample configs: fix typo in plasma-thc-sim config

• Task: Revert ill-advised stale-statbuffer fix added in 2.7.5. This should fix “linuxcnc hangs when limit switch trips” and other problems.

• motion: when motion disables, mark all joints as “in position”

• test: add a hard limit test

• interp list: log calls to clear() when debugging
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