Part One: Prelim Notes Patch 3.5 >> What we know.

Overview:

Main Scenario:

Tidings from Gyr Abania

Disciple of War or Magic level 60

The Rising Stones (X:6.6 Y:6.1)

Tataru

Players must first complete the main scenario quest "An Ending to Mark a New Beginning."

Chronicals of a new Era -
Dun Scaith:

Where Shadows Reign

Disciple of War or Magic level 60

The Sea of Clouds (X:6.2 Y:5.8)

Stacia

Players must first complete the quest "Freedom for Our Skies."

A Redbill Farewell

Disciple of War or Magic level 60

The Parrock (X:7.0 Y:6.9)

Leofard

Players must first complete the quest "Where Shadows Reign."

Warring Triad:

The Last Pillar to Fall

Disciple of War or Magic level 60

The Rising Stones (X:6.1 Y:5.2)

Unukalhai

Players must first complete the quest "Balance unto All."

A Demonic Duplicate

Disciple of War or Magic level 60

The Rising Stones (X:6.1 Y:5.2)

Unukalhai

Players must first complete the quest "The Last Pillar to Fall."

Side Story:

The Student Body's Revenge

Disciple of War or Magic level 60

The Pillars (X:8.7 Y:7.9)

Briardien

Players must first complete the quest "Finding Ulaa."

The Whipping Boy

Disciple of War or Magic level 60

Saint Endalim's Scholasticate (X:6.0 Y:5.9)

Theomocent

Players must first complete the quest "The Student Body's Revenge."

Letters from No One

Disciple of War or Magic level 60

The Pillars (X:10.4 Y:9.8)

Theomocent

Players must first complete the quest "The Whipping Boy."

The Life and Lies of Father Saturnois

Disciple of War or Magic level 60

The Pillars (X:10.5 Y:9.8)

Briardien

Players must first complete the quest "Letters from No One."

Hildibrand Quests:

The Proud and the Pointy-eyed

Disciple of War or Magic level 60

Foundation (X:9.9 Y:11.4)

Cyr

Players must first complete the quest "Don't Trust Anyone over Sixty."

Anime Quests:

Born Again Anima

Job level 60

Azys Lla (X:7.4 Y:11.5)

Ardashir

Players must first complete the quest "Future Proof."

Some Assembly Required

Job level 60

Azys Lla (X:7.0 Y:11.4)

Processing Node

Players must first complete the quest "Born Again Anima."

Body and Soul

Job level 60

???

???

Players must first complete the quest "Born Again Anima."

When Good Dragons Go Bad

Disciple of War or Magic level 60

Idyllshire (X:6.9 Y:7.2)

Drydox

Players must first complete the main scenario quest "Heavensward," and Heavensward beast tribe quests "The Nest of Honor," "A Symbiotic Friendship," and "The Zenith of Craftsmanship."

Who Was That Masked Man

Disciple of War or Magic level 60

The Churning Mists (X:15.7 Y:28.8)

Master Mogzin

Players must first complete the quest "When Good Dragons Go Bad."

Lift Me to the Moon

Disciple of War or Magic level 60

Coerthas Western Highlands (X:16.8 Y:22.6)

Vath Deftarm

Players must first complete the quest "Who Was That Masked Man."

Eternity, Loyalty, Honesty

Disciple of War or Magic level 60

The Sea of Clouds (X:6.6 Y:14.3)

Vath Deftarm

Players must first complete the quest "Lift Me to the Moon."

Side Story Quests:

The Fires of Sohm Al

Disciple of War or Magic level 60

Idyllshire (X:4.6 Y:8.4)

Gossamer Moogle

Players must first complete the main scenario quest "Heavensward."

An Egi by Any Other Name

Summoner level 50

Limsa Lominsa Lower Decks (X:4.7 Y:11.4)

Thubyrgeim

Players must first complete the quest "Primal Burdens."

Fiery Wings, Fiery Hearts

Level 1

Idyllshire (X:7.5 Y:6.1)

Walking Atlas

Players must first complete the main scenario quest "Heavensward" and have obtained the white lanner, rose lanner, round lanner, warring lanner, dark lanner, sophic lanner, and demonic lanner mounts.

The amount of EXP gained from level 15–50 Disciple of the Hand and Land quests has been increased

Additions and adjustments have been made to rewards for Aquapolis as follows:

• New items that can be earned as rewards have been added.
• The drop rate has been increased for certain rewards.

[3.0] Additions have been made to the rewards obtainable from the archaeoskin, wyvernskin, and dragonskin treasure maps.

New Craftable Items:

• Paissa Cottage Wall
• Paissa House Wall
• Paissa Mansion Wall

To name a few things coming new or improved this patch. You can read the full notes on:
FFXIV LODESTONE: PATCH 3.5 FULL RELEASE NOTES