v0.6.10-rc.15

delete reference to formatContext on finalize

v0.6.10-rc.14

delete reference to formatContext on finalize

v0.6.10-rc.13

delete reference to formatContext on finalize

v0.6.10-rc.12

delete reference to formatContext on finalize

v0.6.10-rc.11

delete reference to formatContext on finalize

v0.6.10-rc.10

delete reference to formatContext on finalize

v0.6.10-rc.1

delete reference to formatContext on finalize

v0.6.10

Add indirection for formatContext to avoid double delete after demuxe…